Separate calculator types
Mortgage repayments, bridging loan costs and savings goals use different inputs. Calculators Site groups calculator types by their purpose, with a separate place for each calculation.
Loading page…
Work out mortgage repayments, loan costs, take-home pay and BMI. Find the calculation you need across finance, health, property and everyday maths.
CALCULATORS BY SUBJECT
Free financial calculators for compound interest, savings growth and APR. See how interest builds up over time and compare the true cost of borrowing.
Free health calculators for BMI, body fat, daily calories, water intake, running pace and sleep cycles. Each page explains its method, inputs and limits.
Free mortgage and property calculators for repayments, affordability, overpayments, stamp duty, buy-to-let, home equity and secured loans.
Free salary calculators for take-home pay, hourly wages, salary sacrifice and holiday entitlement. Each page explains its method, inputs and limits.
Free grade calculator for working out a weighted average across your assessments and the equivalent degree classification.
Free fuel cost calculator for working out what a journey costs from its distance, your car's fuel economy and the fuel price.
Free business loan calculators for repayments, interest, APR, borrowing and eligibility, plus farm, aircraft, asset and start-up finance.
Percentage, fraction and circle area calculators: work with numbers, compare changes and calculate geometry with metric or customary measurements.
Free car, van, boat, caravan and motorcycle finance calculators for repayments, interest, APR, hire purchase and borrowing.
Free personal loan calculators for repayments, interest, APR, overpayments, borrowing and eligibility, plus guarantor and private loans.
Free dog age and cat age calculators that convert your pet's age into human years. Each page explains its method, inputs and limits.
Free date calculator for counting the days, weeks, months and years between two dates. The page explains its method, inputs and limits.
FINANCE AND HEALTH
Explore loan repayments, compound interest and savings.
Explore body measurements, nutrition and running pace.
PROPERTY FINANCE
Work out mortgage payments, stamp duty and bridging loan costs. Compare deposits, borrowing terms, interest and property purchase costs.
Mortgage repayments, bridging loan costs and savings goals use different inputs. Calculators Site groups calculator types by their purpose, with a separate place for each calculation.
Each calculator lists the inputs it needs, explains how the result is worked out and answers common questions about it.
The collection covers finance, salary, mortgage and student finance calculations. Tax years, regional rules and measurement units are stated where they apply.