Available capacity for this calculator. Subtract used capacity from the total and return zero if the remainder would be negative. A displayed zero covers both a full and an overbooked capacity. Compare used and available capacity separately if overload matters.
🇬🇧 UK context⚡ Instant result🔒 Browser-based inputs
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Estimated result
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1
Enter your figures
Use the values that match your situation and the units shown in the form.
2
Review the estimate
Results include the main answer plus supporting figures where useful.
3
Check official rules when needed
Tax, benefits and legal thresholds can change or depend on individual circumstances.