All Math Calculators
Free math calculators for percentages, fractions, ratios, averages, and scientific notation.
5 free calculators
Average Calculator
Calculate mean, median, mode, range, and standard deviation from any numbers list. Free average calculator for students and professionals. No sign-up required.
Fraction Calculator
Add, subtract, multiply, and divide fractions with automatic simplification. Get step-by-step fraction calculations instantly. Free fraction calculator.
Percentage Calculator
Calculate percentages instantly: % of a number, percent change, increase, and decrease. Free percentage calculator covering all 4 modes. No sign-up required.
Ratio Calculator
Simplify ratios, solve proportions, and scale recipes with step-by-step solutions. Free ratio calculator for math, cooking, and design. No sign-up required.
Scientific Notation Calculator
Convert to and from scientific notation. Add, subtract, multiply, and divide with step-by-step results. Free scientific notation calculator, no sign-up.