Calculators and Converters
Loans, interest, percentages, dates, units and currency conversion.
Percentage Calculator
Work out a percentage of a number, what percent one number is of another, or the percentage change between two values.
Age Calculator
Find an exact age in years, months and days, the total days lived, and the date and weekday of the next birthday.
Date Difference Calculator
Count the years, months, days and working days between two dates.
Time Calculator
Add or subtract two durations written as 1:30:15, 2h 15m or 90m, and see the total in several forms.
Loan Calculator
Estimate the monthly payment, total interest and total cost of a fixed-rate loan, with a repayment schedule.
EMI Calculator
Calculate the equated monthly instalment (EMI) using the reducing-balance or flat-rate method.
Compound Interest Calculator
See how savings or investments grow with compounding and optional monthly contributions.
Simple Interest Calculator
Calculate interest that is charged only on the original amount, plus the total to repay.
Profit Margin Calculator
Find profit, margin and markup from cost and revenue, or work out the selling price needed for a target margin or markup.
Discount Calculator
Work out the sale price after one or two successive discounts and optional tax, and how much you save.
VAT Calculator
Add VAT to a net price or take it out of a gross price, and see the VAT amount.
Sales Tax Calculator
Calculate sales tax and the total price using a state or national rate plus an optional local rate.
Salary Calculator
Convert pay between hourly, daily, weekly, monthly and yearly figures, with an estimate of take-home pay.
BMI Calculator
Calculate body mass index from height and weight, see the WHO adult category and the weight range for a healthy BMI at your height.
Unit Converter
Convert between units of length, weight, volume, area, speed, time, pressure and energy.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit and Kelvin.
Length Converter
Convert between millimetres, centimetres, metres, kilometres, inches, feet, yards and miles.
Weight Converter
Convert between milligrams, grams, kilograms, tonnes, ounces, pounds, stone and tola.
Currency Converter
Convert between about 40 currencies using exchange rates from a provider the site owner has switched on. The time of the rates is shown with every result.
Data Storage Converter
Convert between bits, bytes, kilobytes, megabytes, gigabytes and terabytes, in both decimal (1,000) and binary (1,024) units.