All calculators
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Loan Payment Calculator
Calculate monthly loan payment, total payment and interest from principal, APR and term.
Mortgage Payment Calculator
Estimate monthly principal, interest, property tax, homeowners insurance and HOA costs.
Compound Interest Calculator
Project future value with compound interest and optional monthly contributions.
Simple Interest Calculator
Calculate simple interest, total interest and ending balance.
Savings Goal Calculator
Estimate the monthly contribution needed to reach a savings goal.
Credit Card Payoff Calculator
Estimate payoff time and total interest for a credit card balance with fixed monthly payments.
Auto Loan Calculator
Estimate financed amount, monthly payment and interest for a vehicle purchase.
Property Tax Calculator
Estimate annual and monthly property tax from assessed value and tax rate.
Rent Affordability Calculator
Estimate a monthly rent budget from gross income using a user-adjustable income ratio.
Housing Budget Calculator
Estimate a monthly housing budget from gross income and a user-selected housing ratio.
Miles to Kilometers Converter
Convert miles and kilometers in either direction.
Fahrenheit / Celsius Converter
Convert temperature between Fahrenheit and Celsius.
Pounds to Kilograms Converter
Convert pounds and kilograms in either direction.
Square Feet to Square Meters Converter
Convert square feet and square meters in either direction.
Tip Calculator
Calculate tip amount, total bill and per-person share.
Split Bill Calculator
Split a bill evenly across a group, with optional tax and tip.
Percentage Calculator
Calculate a percentage of a value and the percentage change between two values.
Date Difference Calculator
Calculate calendar days and approximate weeks between two dates.
Credit Utilization Calculator
Calculate revolving credit utilization from total card balances and credit limits.
Balance Transfer Savings Calculator
Compare estimated interest cost on a current credit-card balance with a promotional balance-transfer offer.
Debt Consolidation Payment Calculator
Estimate the monthly payment and total interest for a fixed-rate debt consolidation loan.
Student Loan Payment Calculator
Estimate a fixed monthly student-loan payment using balance, interest rate and repayment term.
Loan APR from Payment Calculator
Estimate the APR implied by a loan amount, fixed monthly payment and term.
Mortgage Extra Payment Calculator
Estimate interest savings and payoff acceleration from an extra monthly mortgage payment.
Mortgage Refinance Break-Even Calculator
Estimate how long it may take monthly payment savings to recover refinance closing costs.
Mortgage Closing Cost Estimate
Estimate buyer closing costs from a home price using a user-entered percentage and fixed prepaid costs.
Loan-to-Value (LTV) Calculator
Calculate mortgage loan-to-value from property value and loan balance.
PMI Cost Estimate Calculator
Estimate annual and monthly private mortgage insurance cost from a user-entered PMI rate.
Home Equity Calculator
Estimate home equity and current loan-to-value ratio from property value and mortgage balance.
Gross Profit Margin Calculator
Calculate gross profit, gross margin percentage and cost-of-goods ratio.
Net Profit Margin Calculator
Calculate net profit and net margin from revenue and total expenses.
Break-Even Units Calculator
Calculate unit sales required to cover fixed costs from selling price and variable cost per unit.
Markup & Margin Converter
Convert between product cost, selling price, markup percentage and gross margin.
Emergency Fund Months Calculator
Calculate how many months of essential expenses your current emergency savings can cover.
Monthly Utility Budget
Add common household utility bills and see monthly and annual totals.
50/30/20 Budget Calculator
Split monthly take-home income into 50% needs, 30% wants and 20% savings/debt goals.
Grocery Budget Calculator
Convert a weekly grocery budget into monthly and annual household spending estimates.
Childcare Cost Budget
Estimate monthly and annual childcare spending from weekly cost and paid weeks per year.
Vehicle Monthly Ownership Cost
Combine loan, insurance, fuel, maintenance, parking and annual registration into one monthly vehicle-cost estimate.
College Cost Gap Calculator
Estimate the amount still unfunded after grants, scholarships and savings.
Tuition Payment Plan Calculator
Split an outstanding tuition balance into equal monthly payments.
Scholarship Coverage Calculator
Measure what percentage of total education cost is covered by scholarships and grants.
Semester Textbook Budget Calculator
Estimate semester textbook and course-material costs.
College Weekly Study Hours Calculator
Estimate weekly study time from credit hours and study hours per credit.
Final Exam Grade Needed Calculator
Calculate the final-exam score needed to reach a target course grade.
Credit-Weighted GPA Calculator
Combine an existing GPA with a new term GPA using completed credit hours.
Student Monthly Budget Calculator
Compare monthly student income with housing, food, transportation and other costs.
College Cost Inflation Projection
Project future annual college cost using a user-entered education inflation assumption.
Home Down Payment Percentage Calculator
Calculate the down payment percentage and estimated mortgage amount.
28/36 Home Affordability Calculator
Estimate housing and total-debt budget limits using the commonly used 28/36 guideline.
Mortgage Points Break-Even Calculator
Estimate how long it takes monthly payment savings to recover the upfront cost of discount points.
Monthly Property Tax Calculator
Convert annual property tax or an effective property-tax rate into a monthly budget amount.
Homeowners Insurance Monthly Budget
Convert an annual homeowners insurance premium to monthly and per-day budget amounts.
HOA Annual Cost Calculator
Convert monthly HOA dues and assessments into an annual ownership cost.
Home Maintenance Reserve Calculator
Set an annual and monthly maintenance reserve as a percentage of home value.
Home Appreciation Calculator
Project a future home value using an assumed annual appreciation rate.
Mortgage Escrow Monthly Estimate
Combine annual property tax and homeowners insurance into a monthly escrow estimate.
Home Renovation Contingency Calculator
Add a contingency reserve to a planned renovation budget.
Auto Down Payment Percentage Calculator
Calculate the vehicle down payment percentage and amount remaining before taxes and fees.
Vehicle Depreciation Calculator
Estimate vehicle value after a chosen annual depreciation rate.
Vehicle Registration Monthly Budget
Convert annual registration, inspection and vehicle taxes into a monthly reserve.
Parking Annual Cost Calculator
Convert weekday or monthly parking expenses into annual cost.
Annual Toll Cost Calculator
Estimate annual toll spending from toll cost per commute and commute frequency.
Electricity Bill Estimate
Estimate an electric bill from monthly kWh, energy rate and fixed charges.
Appliance Annual Electricity Cost
Estimate annual electricity cost from appliance wattage and usage hours.
Natural Gas Bill Estimate
Estimate a monthly natural-gas bill from therm usage, rate and fixed charges.
Solar Simple Payback Calculator
Estimate simple solar payback from net installation cost and annual utility savings.
Solar Energy Offset Calculator
Estimate what percentage of household electricity use is offset by solar production.
Home Battery Backup Runtime
Estimate backup runtime from battery capacity, usable percentage and average load.
Bill Split with Tax & Tip
Split a restaurant bill after sales tax and tip.
Subscription Annual Cost Calculator
Convert monthly and annual subscriptions into a total yearly budget.
Personal Savings Rate Calculator
Calculate the percentage of take-home income being saved.
Vacation Savings Goal Calculator
Calculate the monthly amount needed to fund a vacation goal by a chosen deadline.
Wedding Budget per Guest
Estimate wedding budget per guest and the guest-count impact on variable costs.
Moving Cost Budget Calculator
Build a moving budget from movers, truck, travel, supplies and deposits.
Pet Annual Cost Calculator
Estimate annual pet ownership cost from recurring and yearly expenses.
Childcare Monthly to Annual Cost
Convert monthly childcare spending to annual, weekly-equivalent and per-workday cost.
Inflation Purchasing Power Calculator
Estimate the future purchasing power of today’s currency units under an assumed inflation rate.
Gross Profit & Margin Calculator
Calculate gross profit and gross margin from revenue and cost of goods sold.
Contribution Margin Calculator
Calculate contribution margin per unit and contribution margin ratio.
Break-Even Revenue Calculator
Estimate break-even units and revenue from fixed costs and unit economics.
Customer Acquisition Cost (CAC) Calculator
Calculate customer acquisition cost from sales and marketing spend.
Customer Lifetime Value (CLV) Calculator
Estimate customer lifetime value from average order value, purchase frequency, margin and retention period.
ROAS Calculator
Calculate return on ad spend from attributed revenue and advertising cost.
Marketing ROI Calculator
Estimate marketing return on investment using campaign revenue, gross margin and campaign cost.
Lead Conversion Rate Calculator
Calculate the percentage of leads that become customers.
Customer Churn Rate Calculator
Calculate customer churn rate for a period.
MRR Growth Rate Calculator
Calculate monthly recurring revenue growth between two periods.
Average Order Value (AOV) Calculator
Calculate average revenue per completed order.
Cart Abandonment Rate Calculator
Calculate the percentage of initiated shopping carts that did not convert to orders.
E-commerce Return Rate Calculator
Calculate the percentage of shipped orders that were returned.
Inventory Turnover Calculator
Calculate inventory turnover from annual cost of goods sold and average inventory.
Inventory Reorder Point Calculator
Estimate the inventory level at which a new order should be placed.
Inventory Days on Hand Calculator
Estimate how many days current average inventory represents based on annual COGS.
Shipping Cost per Order Calculator
Calculate average fulfillment shipping cost for each order.
Marketplace Fee & Net Revenue Calculator
Estimate marketplace fees and net revenue after percentage fees, per-order fees and refunds.
Compound Investment Growth Calculator
Project the future value of a lump-sum investment with annual compounding.
Monthly Investment Future Value Calculator
Project investment value from a starting balance and recurring monthly contributions.
Dividend Income Calculator
Estimate annual and monthly dividend income from shares owned and dividend per share.
Dividend Yield Calculator
Calculate dividend yield from annual dividend per share and stock price.
Stock Average Cost Calculator
Calculate weighted average cost per share across two stock purchases.
Capital Gain & Return Calculator
Calculate investment profit and percentage return after buy and sell transaction fees.
Portfolio Allocation Weight Calculator
Calculate the percentage of a portfolio represented by one holding.
Required CAGR Calculator
Calculate the compound annual growth rate required to reach a target value.
currency unit-Cost Averaging Shares Calculator
Estimate shares accumulated from equal monthly investments at an average purchase price.
Rule of 72 Calculator
Estimate how many years it may take an investment to double at a given annual return.
Salary to Hourly Rate Calculator
Convert an annual salary into an approximate hourly rate.
Project Hour Budget Calculator
Estimate how many labor hours fit within a project budget at a target hourly cost.
Meeting Cost Calculator
Estimate the labor cost of a meeting using attendee count, duration and average hourly cost.
Utilization Rate Calculator
Calculate billable or productive hours as a percentage of available work hours.
Billable Hours Target Calculator
Calculate billable hours needed to reach a revenue target at a given billing rate.
Time Saved Value Calculator
Estimate the monetary value of time saved by a recurring workflow improvement.
Target Heart Rate Zone Estimate
Estimate a general exercise heart-rate zone from age and target intensity percentages.
Recipe Scale Calculator
Scale an ingredient amount up or down for a different number of servings.
Recipe Cost per Serving Calculator
Calculate food cost per serving from total recipe cost and yield.
Photo Storage Capacity Calculator
Estimate how many photos fit in a storage card or drive.
Video File Size from Bitrate Calculator
Estimate video file size from bitrate and duration.
Timelapse Output Duration Calculator
Calculate final timelapse video duration from frame count and playback frame rate.
Shutter Speed Stops Difference Calculator
Calculate exposure-stop difference between two shutter times.
Image Aspect Ratio & Megapixel Calculator
Reduce an image resolution to its aspect ratio and calculate total megapixels.
Rental Property Cap Rate Calculator
Estimate a rental property capitalization rate from annual rent, operating expenses and property value.
Gross Rent Multiplier Calculator
Calculate gross rent multiplier (GRM) from property price and monthly rent.
Cash-on-Cash Return Calculator
Estimate cash-on-cash return from annual pre-tax cash flow and cash invested.
Rental Property Cash Flow Calculator
Estimate monthly rental cash flow after vacancy and common ownership costs.
Rental Vacancy Loss Calculator
Estimate annual rental income lost to vacancy.
Rent-to-Income Ratio Calculator
Compare monthly rent with gross monthly household income.
Property Management Fee Calculator
Estimate monthly and annual property management fees as a percentage of collected rent.
Home Seller Net Proceeds Calculator
Estimate seller proceeds after mortgage payoff, agent commission and closing costs.
Drywall Sheet Calculator
Estimate drywall sheets needed from total wall/ceiling area, sheet coverage and waste.
Roofing Squares Calculator
Convert roof area plus waste into roofing squares.
Warehouse Pallet Capacity Calculator
Estimate floor-level pallet positions after accounting for aisles and non-storage space.
Warehouse Space Utilization Calculator
Calculate the percentage of warehouse area currently used for storage or operations.
Delivery Cost per Stop Calculator
Estimate average route cost for each delivery stop.
Freight Fuel Surcharge Calculator
Calculate a freight fuel surcharge from linehaul charges and surcharge rate.
Employee Turnover Rate Calculator
Calculate employee turnover rate from departures and average headcount.
Employee Absenteeism Rate Calculator
Calculate absenteeism as a share of scheduled work hours.
Overtime Labor Cost Calculator
Estimate overtime labor cost for a team.
Payroll Burden Rate Calculator
Calculate employer payroll burden from taxes, benefits and other labor costs.
Full-Time Equivalent (FTE) Calculator
Convert total labor hours into full-time equivalent employees.
Cost per Hire Calculator
Calculate average recruiting and onboarding cost per new hire.
Revenue per Employee Calculator
Measure annual company revenue per average employee.
Event Break-Even Attendance Calculator
Estimate the minimum paid attendance needed to cover fixed and per-guest event costs.
Catering Cost per Person Calculator
Calculate average catering cost for each guest.
Event Beverage Quantity Calculator
Estimate the number of bottles or packages needed from guest count and servings.
Event Table Count Calculator
Estimate dining or seating tables needed from guest count and seats per table.
Ticket Revenue After Fees Calculator
Estimate gross and net ticket revenue after platform fees.
Event Profit Margin Calculator
Calculate event profit and profit margin from revenue and total costs.
Fence Panel & Post Calculator
Estimate fence panels and posts from total fence length and panel width.
Wallpaper Roll Calculator
Estimate wallpaper rolls from wall area, roll coverage and waste allowance.
Data Transfer Time Calculator
Estimate file-transfer time from data size and network throughput.
Bandwidth per User Calculator
Divide total available bandwidth across simultaneous users.
Wi-Fi Access Point Estimate
Estimate Wi-Fi access point count from floor area, coverage target and density factor.
Storage Growth Projection Calculator
Project storage requirements using monthly compound growth.
Uptime & Downtime Calculator
Convert an uptime percentage into expected downtime for a selected number of days.
Battery Runtime (Wh) Calculator
Estimate battery runtime from usable watt-hours, load and efficiency.
Life Insurance Needs Calculator
Estimate a simple life insurance coverage target from income replacement, debts, final expenses and existing savings.
Insurance Deductible Break-Even Calculator
Compare annual premium savings with the extra deductible you would pay under a higher-deductible policy.
Auto Insurance Monthly Budget Calculator
Convert an auto insurance premium into monthly and per-paycheck budgeting amounts.
Renters Contents Coverage Estimate
Estimate a contents coverage target by totaling major household property categories.
Umbrella Liability Gap Calculator
Estimate the additional umbrella liability amount needed above an existing liability limit.
Insurance Premium Increase Calculator
Calculate the currency unit and percentage change between an old and a new insurance premium.
Insurance Claim Out-of-Pocket Calculator
Estimate the amount you may pay after applying a deductible and a coverage percentage to a claim.
Hotel Total Cost Calculator
Estimate total hotel cost including nightly rate, taxes, resort fees and one-time fees.
Airfare Trip Total Calculator
Add airfare, seat fees, baggage fees and booking charges for all travelers.
Rental Car Trip Cost Calculator
Estimate rental car cost from daily rate, taxes, fixed fees, fuel and tolls.
Travel Daily Budget Calculator
Build a daily travel budget for lodging, food, local transport, activities and extras.
Trip Savings Goal Calculator
Calculate the monthly savings needed to fund a future trip.
Baggage Fee Total Calculator
Estimate round-trip checked baggage fees for multiple travelers.
Effective Hotel Nightly Rate Calculator
Calculate the effective nightly hotel rate after taxes and fees.
Pet Food Monthly Cost Calculator
Estimate monthly and annual pet food cost from daily servings and package price.
Pet Insurance Break-Even Calculator
Compare annual pet insurance premiums with expected reimbursable veterinary costs.
Pet Boarding Cost Calculator
Estimate boarding cost for one or more pets over a trip.
Pet Grooming Annual Cost Calculator
Estimate annual grooming cost from appointment frequency and cost per visit.
Dog Walking Cost Calculator
Estimate monthly dog walking cost from walks per week and price per walk.
Pet Emergency Savings Fund Calculator
Calculate monthly contributions needed to build a pet emergency fund.
Ohm's Law Calculator
Calculate voltage from current and resistance using V = I × R.
Electrical Power Calculator
Calculate electrical power from voltage and current.
Series Resistance Calculator
Calculate total resistance for three resistors connected in series.
Parallel Resistance Calculator
Calculate equivalent resistance for three resistors connected in parallel.
Kinetic Energy Calculator
Calculate kinetic energy from mass and velocity using KE = ½mv².
Gravitational Potential Energy Calculator
Calculate gravitational potential energy near Earth from mass and height.
Force Calculator (F = ma)
Calculate force from mass and acceleration using Newton’s second law.
Density Calculator
Calculate density from mass and volume.
Pressure Calculator
Calculate pressure from force divided by area.
Wavelength Calculator
Calculate wavelength from wave speed and frequency.
Volumetric Flow Rate Calculator
Calculate flow rate from volume moved over time.
Torque Calculator
Calculate torque from perpendicular force and lever-arm length.
Horsepower to Watts Converter
Convert mechanical horsepower to watts.
Heat Energy Calculator
Calculate sensible heat energy using Q = m × c × ΔT.
Net Worth Calculator
Calculate household net worth from total assets and liabilities.
Monthly Cash Flow Calculator
Calculate monthly surplus or deficit from take-home income and expenses.
Sinking Fund Calculator
Calculate the monthly amount needed for a planned future expense.
Annual Recurring Expenses Calculator
Convert recurring monthly, quarterly and annual costs into one annual total.
Paycheck Annualization Calculator
Convert a regular paycheck amount into monthly and annual income estimates.
Debt Payment Percentage of Income
Calculate what percentage of monthly take-home income goes to debt payments.
Weekly Training Volume Calculator
Calculate weekly training minutes and sessions from a repeating exercise schedule.
Points Grade Percentage Calculator
Calculate a grade percentage from points earned and points possible.
Course Completion Percentage Calculator
Calculate course completion progress from completed and total modules or assignments.
Tuition per Credit Calculator
Calculate effective tuition cost per credit hour from semester tuition and credits.
Daily Calorie Needs Calculator
Estimate daily calorie needs from BMR and an activity multiplier.
Calorie Deficit Target Calculator
Estimate a daily calorie target after applying a chosen calorie deficit.
Macro Calorie Split Calculator
Convert carbohydrate, protein and fat percentages into grams for a daily calorie target.
Waist-to-Height Ratio Calculator
Calculate waist circumference as a percentage of height.
Percentage Change Calculator
Calculate the percent increase or decrease from an old value to a new value.
Reverse Percentage Calculator
Find the original value when a final value represents a known percentage of it.
Weighted Average Calculator
Calculate a weighted average from three values and their weights.
Ratio Simplifier
Reduce a two-number ratio to its simplest whole-number form.
Proportion Solver
Solve A/B = C/X for the missing value X.
Discount Price Calculator
Calculate discount amount and final price from a list price and discount percentage.
Unit Price Comparison Calculator
Compare two package prices by cost per unit.
Average of Five Values Calculator
Calculate the arithmetic mean of up to five values.
Percentage Point Difference Calculator
Calculate the percentage-point difference between two percentage rates.
Part of Total Percentage Calculator
Calculate what percentage one amount represents of a total.
Vehicle Maintenance Fund Calculator
Calculate a monthly maintenance savings target from expected annual vehicle costs.
Gas vs EV Energy Cost Calculator
Compare energy cost for the same driving distance in a gas vehicle and an EV.
Workday Parking Cost Calculator
Convert daily or monthly parking expenses into an annual budget.
Toll Monthly Budget Calculator
Estimate monthly and annual toll costs from tolls per trip and travel frequency.
Tile Count Calculator
Estimate the number of tiles needed for an area including waste.
Moving Boxes Estimate
Estimate moving-box quantity using household size and a boxes-per-room planning factor.
Household Inventory Value Calculator
Add major household categories to estimate total contents value for planning.
Rent Increase Annual Impact Calculator
Calculate monthly and annual currency unit impact of a rent increase.
Household Cost per Person Calculator
Estimate monthly household cost per person from shared living expenses.
Screen PPI Calculator
Calculate display pixel density from resolution and diagonal screen size.
File Compression Savings Calculator
Calculate storage saved and compression percentage from original and compressed file sizes.
Cloud Storage Annual Cost Calculator
Estimate monthly and annual cloud storage cost from stored gigabytes and price per GB.
Internet Data Cap Remaining Calculator
Calculate remaining data and usage percentage for a monthly internet data cap.
Upload Time Calculator
Estimate upload duration from file size and upload speed.
RAID Usable Capacity Calculator
Estimate usable capacity for common RAID 0, 1, 5, 6 and 10 layouts using equal-size drives.
Business Cash Runway Calculator
Estimate how many months cash reserves can cover current net monthly burn.
Monthly Burn Rate Calculator
Calculate monthly net cash burn from operating cash expenses and cash revenue.
Invoice Late Fee Calculator
Estimate a simple late fee from invoice balance, monthly late-fee rate and months late.
Freelancer Hourly Rate Target Calculator
Estimate a billable hourly rate needed to cover target income, overhead and billable hours.
Operating Margin Calculator
Calculate operating profit and operating margin from revenue and operating expenses.
Revenue Growth Rate Calculator
Calculate percentage revenue growth from a prior period to a current period.
Cash Conversion Cycle Calculator
Calculate cash conversion cycle from days inventory outstanding, days sales outstanding and days payable outstanding.
Rental Expense Ratio Calculator
Calculate operating expenses as a percentage of gross annual rental income.
Rent-to-Value Ratio Calculator
Compare monthly rent with property value and estimate gross annual rental yield.
Property Appreciation Rate Calculator
Estimate total property appreciation and compound annual appreciation rate.
Property Rehab ROI Calculator
Estimate profit and ROI for a property renovation or flip project.
Debt Service Coverage Ratio Calculator
Calculate DSCR from net operating income and annual debt service.