Free Math Tools

Add, subtract, multiply & divide fractions with step-by-step solutions and decimal equivalents.

Solve linear equations step by step. Supports ax + b = c and similar forms.

Calculate percentages, percentage change, and "what percent of" problems.

Convert between metric and imperial units for length, weight, volume, and temperature.

Find the Greatest Common Divisor and Least Common Multiple with prime factorization steps.

Solve ax² + bx + c = 0 with the quadratic formula. Shows discriminant and all roots.

Calculate area, perimeter, volume, and surface area for common 2D and 3D shapes.

Calculate mean, median, mode, range, and standard deviation from a data set.

Find the missing side of a right triangle using a² + b² = c².

Calculate powers, roots, and negative exponents with step-by-step solutions.

Simplify ratios, solve proportions, and scale ratio values.

Convert numbers to and from scientific notation. Multiply and divide in scientific form.

Break any integer into its prime factors. Shows expanded and power form with step-by-step division.

Combine like terms and distribute single-variable polynomial expressions step by step.

Compute log, ln, log₂ or any custom base with the change-of-base formula.

Sin, cos, tan and inverse functions in degrees or radians with exact values for common angles.