All the calculators you need,
in one place.
Finance, fuel, study and everyday calculators with clear formulas and straightforward results. No account, no unnecessary steps.
Start with what you need
Each calculator has a focused input area, the formula behind the result and a short explanation of how to use it.
Loan Calculator
Estimate monthly loan payments, total repayment and interest.
FinanceEMI Calculator
Calculate an estimated equated monthly instalment for a loan.
FinanceSimple Interest Calculator
Calculate simple interest from principal, rate and time.
FinanceCompound Interest Calculator
Estimate future value using compound interest.
FinanceDiscount Calculator
Find the sale price and amount saved after a discount.
FinanceProfit Margin Calculator
Calculate profit, margin and markup from cost and selling price.
EverydayAge Calculator
Calculate age in years, months and days from a date of birth.
EverydayPercentage Calculator
Calculate a percentage of a number.
EverydayPercentage Change Calculator
Measure percentage increase or decrease between two values.
EverydayDate Difference Calculator
Find the number of days between two dates.
EverydayTime Duration Calculator
Calculate the duration between two times.
EverydayBMI Calculator
Calculate body mass index using height and weight.
VehicleFuel Calculator
Check km/L, trip fuel cost, driving range and fuel cost per kilometre.
Turn a fuel receipt into useful numbers
Work out km/L from a fill-up, estimate the cost of a trip, check how far a fuel budget can take you, or calculate cost per kilometre.
Four useful calculations in one page
Enter the numbers you already know. CalcMate handles the rest without asking you to choose a complicated formula.
Open Fuel CalculatorCommon units, converted cleanly
For measurements, temperature and digital storage when you just need the answer and the conversion method.
Length Converter
Convert between common metric and imperial length units.
ConvertersWeight Converter
Convert kilograms, grams, pounds and ounces.
ConvertersTemperature Converter
Convert Celsius, Fahrenheit and Kelvin.
ConvertersArea Converter
Convert common area units including square metres and acres.
ConvertersData Storage Converter
Convert bytes, KB, MB, GB and TB.