Free Math Calculators

Calculate percentages, percent change, increases, and decreases instantly. Perfect for finance, math homework, shopping discounts, and everyday calculations.

Find the area of common 2D shapes instantly. Enter dimensions, choose your units, and get accurate results complete with formulas and visual diagrams.

Solve proportions by entering any three of four values in A / B = C / D. Instantly finds the missing value — great for math problems, scaling, and recipes.

Quickly solve, scale, and simplify ratios. Enter values or apply a scale factor — ideal for math homework, mixing recipes, or engineering calculations.

Compute mean, median, sum, count, min, max, range, and geometric mean with ease. Perfect for statistics, data analysis, and quick everyday math.

Add, subtract, multiply, and divide fractions accurately and instantly. Enter numerator and denominator values and get simplified results with step-by-step clarity.