Free online Calculators tools

Percentages, units, dates, BMI, tips and finance.

7 tools

Age calculatorEnter your date of birth and find your exact age, how many days and hours you have lived and how long until your next birthday. You can also calculate how old someone was or will be on any other date.

BMI calculatorEnter your weight and height to get your BMI instantly, its World Health Organization classification and the healthy weight range for your height. Works with metric and imperial units.

Compound interest calculatorSimulate how your savings or investment grows: initial amount, monthly contribution, interest rate, years and compounding frequency. You will see the final balance, what you paid in and the interest earned.

Loan calculatorEnter the amount, interest rate and term to see the fixed monthly payment, the total you will repay and the interest, with a month-by-month split between principal and interest.

Percentage calculatorSix percentage calculators on one page, so you never have to remember formulas: type the numbers and see the result instantly together with the formula used. Accepts decimals with a dot or a comma.

Tip calculator and bill splitterEnter the amount, pick the tip percentage and the number of people, and see right away how much each person pays. Turn on rounding to pay even amounts without fiddling with cents.

Unit converterType a value, pick its unit and instantly see its equivalent in every other unit of the category: metric, imperial and US customary. Click any result to copy it.