Calculators

Percentage, age, date, discount, loan, VAT and tip calculators plus length, weight and temperature converters.

Tools in this category

• Age CalculatorCalculate your exact age in years, months and days from your date of birth, plus total days lived and days until your next birthday.
• Date Difference CalculatorFind the number of days, weeks, months and years between any two dates. Free, accurate and works for past and future dates.
• Discount CalculatorCalculate the sale price and how much you save from a percentage discount, including a second extra discount. Free and instant.
• Length ConverterConvert between millimetres, centimetres, metres, kilometres, inches, feet, yards and miles instantly. Free online length converter.
• Loan CalculatorCalculate the monthly payment, total repayment and total interest of a fixed-rate loan or installment plan. Free and private.
• Percentage CalculatorFree percentage calculator: find X% of a number, what percent one number is of another, percentage change, and add or subtract a percentage.
• Temperature ConverterConvert temperatures between Celsius, Fahrenheit and Kelvin instantly, with the formulas explained. Free online converter.
• Tip CalculatorWork out the tip and total for a bill and split it between friends. Choose any tip percentage. Free and instant.
• VAT CalculatorAdd VAT to a price or remove it from a total. Includes Egypt 14%, Saudi Arabia 15%, UAE 5%, UK 20% and custom rates.
• Weight ConverterConvert between kilograms, grams, pounds, ounces, stones and tonnes instantly. Free online weight and mass converter.