Everyday Calculators

Clear answers for everyday numbers

Percentage Calculator

Find a percentage of a number, compare two numbers, or calculate percentage change.

Age Calculator

Find your age in years, months, and days, plus total months and days.

BMI Calculator

Estimate adult body mass index from height and weight.

Discount Calculator

Calculate the sale price, savings, and optional tax after a discount.

Loan Calculator

Estimate a fixed monthly payment and total interest on a loan.

VAT Calculator

Add VAT to a net price or remove it from a tax-inclusive amount.

Tip Calculator

Calculate the tip and split the total bill evenly between people.

Salary Calculator

Convert gross hourly, weekly, monthly, and annual pay before taxes.

Profit Margin Calculator

Find gross profit, margin, and markup from cost and selling price.

Unit Converter

Convert length, weight, temperature, and speed with clear units.

GPA Calculator

Calculate a weighted GPA from course grades and credits.

Fraction Calculator

Add, subtract, multiply, or divide two fractions and see the decimal result.

Simple Interest Calculator

Calculate simple interest earned and the final balance.

Compound Interest Calculator

Estimate growth with compound interest and regular contributions.

Fuel Consumption Calculator

Calculate fuel economy from distance and fuel used.

Area Calculator

Find the area of a rectangle, triangle, or circle.

Concrete Calculator

Estimate concrete volume for a rectangular slab with a waste allowance.

Mortgage Overpayment Calculator

Estimate interest saved and time reduced by making extra monthly payments.

Date Difference Calculator

Count the exact calendar days between two dates.

Time Card Calculator

Calculate paid hours from a start time, end time, and unpaid break.

Calorie Calculator

Estimate daily maintenance calories from age, body size, sex, and activity.

TDEE Calculator

Estimate total daily energy expenditure from resting metabolism and activity.

Average Calculator

Calculate the mean, minimum, and maximum of four values.

Salary Increase Calculator

Calculate the new salary and increase amount from a raise percentage.

Paint Calculator

Estimate paint needed from wall area, coats, and coverage.

Transparent, browser-based arithmetic.

Read our Calculation Methodology