Free calculators
Free everyday and business calculators: percentage, loan EMI, profit margin, discount, GST, age, BMI, compound interest and more. Accurate everyday and shop calculators with answers as you type.
Percentage calculator
Work out X% of a number, what percent one number is of another, and the percentage increase or decrease between two values.
Age calculator
Find your exact age in years, months and days on any date, plus total days lived and days until your next birthday.
BMI calculator
Calculate your BMI from weight and height in metric or imperial units and see the WHO weight category and healthy range.
Loan & EMI calculator
Calculate the monthly instalment (EMI), total interest and total payable for a car, home, bike or business loan.
Discount calculator
Find the sale price after a percentage discount, how much you save, and the combined effect of an extra discount on top.
Profit margin calculator
Enter cost and selling price to get profit, margin % and markup %, or find the selling price needed for a target margin.
Compound interest calculator
See how savings grow with compound interest, including monthly deposits and yearly, quarterly or monthly compounding.
Date difference calculator
Count the days, weeks, months and years between two dates, with an option to include the end date.
Tip calculator
Work out a tip at any percentage and split the total bill evenly between any number of people.
GST & sales tax calculator
Add sales tax or GST to a price, or remove it from a tax-inclusive price, at any rate. Shows net, tax and gross amounts.