Photography, Video & Print Calculators
Photography and video calculators for pixels, print resolution, aspect ratios, storage, bitrate, exposure, lenses, depth of field and time-lapse planning.
Image Megapixel Calculator
Calculate total image megapixels from pixel width and height.
Calculate now →Print PPI Calculator
Calculate horizontal and vertical pixels per inch for a chosen print size and show the limiting effective print resolution.
Calculate now →Photo Print Size at Target DPI Calculator
Calculate maximum uncropped print dimensions from pixel dimensions and a target print resolution.
Calculate now →Required Pixels for Print Calculator
Calculate the pixel dimensions and megapixels needed for a planned print size at a selected DPI.
Calculate now →Image Aspect Ratio Calculator
Reduce pixel width and height to the simplest whole-number aspect ratio using their greatest common divisor.
Calculate now →Photo Crop to Aspect Ratio Calculator
Calculate the largest centred crop that fits a target aspect ratio and show how many source pixels are removed.
Calculate now →Uncompressed Image Size Calculator
Estimate raw uncompressed image data size from pixel dimensions, colour channels and bits per channel.
Calculate now →Photo Storage Capacity Calculator
Estimate how many photographs fit on a storage card from usable capacity and average compressed file size.
Calculate now →Video File Size from Bitrate Calculator
Estimate video file size from total bitrate and recording duration.
Calculate now →Video Recording Duration Calculator
Estimate recording time available from usable storage capacity and total video bitrate.
Calculate now →Time-Lapse Output Duration Calculator
Calculate final time-lapse video duration from the number of captured frames and playback frame rate.
Calculate now →Time-Lapse Capture Interval Calculator
Calculate the capture interval needed to turn a planned real-world shooting duration into a target video length at a selected frame rate.
Calculate now →Exposure Value EV100 Calculator
Calculate EV100 from aperture and shutter time using the standard log2(N²/t) relationship.
Calculate now →Shutter Speed from EV Calculator
Calculate the shutter time that corresponds to a chosen EV100 and aperture.
Calculate now →ND Filter Exposure Time Calculator
Calculate the extended shutter time after adding a neutral-density filter measured in stops.
Calculate now →Flash Guide Number Distance Calculator
Estimate maximum flash-to-subject distance from flash guide number and aperture at the guide number’s stated ISO.
Calculate now →Crop-Factor Equivalent Focal Length Calculator
Calculate full-frame equivalent focal length from actual focal length and sensor crop factor.
Calculate now →Horizontal Field of View Calculator
Calculate horizontal angle of view from sensor width and focal length using rectilinear-lens geometry.
Calculate now →Hyperfocal Distance Calculator
Calculate hyperfocal distance from focal length, aperture and circle of confusion.
Calculate now →Depth of Field Calculator
Calculate near limit, far limit and total depth of field from focal length, aperture, circle of confusion and focus distance.
Calculate now →