Math Calculators

Fractions, percentages, algebra, geometry, and advanced math calculators.

Convert any fraction to a decimal number instantly with step-by-step explanations.

Calculate percentages instantly: find X% of Y, what percent X is of Y, or percentage change between two numbers.

Calculate your Grade Point Average (GPA) from letter grades and credit hours.

Evaluate mathematical expressions including trigonometry, logarithms, square roots, powers, and factorials.

Solve quadratic equations (ax² + bx + c = 0) and find real or complex roots with step-by-step solutions.