Free online calculators for everyday questions
Free calculators for common questions about percentages, repayments, health and dates. Each one focuses on a single job and explains the result clearly.
4 tools / free / no account
Every calculators tool
- Percentage calculatorCalculate a percentage of a number, find what percent one number is of another, or work out percentage change with this free online calculator.
20% of 25050
- Loan calculatorEstimate monthly loan payments, total repayment and total interest with a free online loan calculator and a clear year-by-year amortisation table.
£200,000 at 5.5% over 25 years£1,228 a month
- BMI calculatorCalculate adult BMI from height and weight, see the matching BMI category and understand the result with this free online body mass index calculator.
70 kg at 175 cmBMI 22.9
- Age calculatorCalculate age in years, months and days, total days lived and time until the next birthday with this free online age calculator for any date of birth.
born 14 Mar 1990, on 1 Jan 202635 years, 9 months