Math tools

Math Calculators

Use free calculators for percentages, discounts, averages, geometry, pricing, and other everyday formulas.

Everyday Math

Quick calculators for percentages, pricing, averages, and number formats.

Calculate what a percentage of a number is for discounts, tips, taxes, grades, and everyday math.

Calculate the percentage increase from an original value to a new value.

Calculate the final price after a percentage discount for shopping, sales, and promotions.

Calculate the average of a list of numbers for grades, scores, budgets, and data checks.

Calculate a tip amount and total bill for restaurants, delivery, rides, and services.

Calculate price per unit to compare groceries, products, packages, and bulk purchases.

Calculate selling price from cost and markup percentage for pricing products or services.

Calculate profit margin percentage from cost and selling price.

Convert a fraction to a decimal for homework, measurements, recipes, and everyday math.

Convert decimals to percentages for math, grades, rates, ratios, and everyday calculations.

Formula calculators for common geometry and measurement problems.

Calculate the area of a circle from its radius for geometry, schoolwork, and measurements.

Calculate rectangle area from length and width for rooms, layouts, schoolwork, and projects.

Calculate triangle area from base and height for geometry, schoolwork, and practical measurements.

Calculate the square root of a number for homework, geometry, estimates, and quick math checks.