Math

Simple math calculators for percentages, fractions, exponents, logarithms, geometry, averages, slope, circumference, and common formulas.

Basic Calculator

Perform everyday arithmetic with decimals, signs, parentheses and common percentage operations.

Scientific Calculator

Evaluate scientific expressions involving powers, roots, logarithms, constants and trigonometric functions.

Fraction Calculator

Calculate fraction operations, simplify the result and understand common denominators and reciprocals.

Mixed Number Calculator

Calculate with mixed numbers by converting whole-and-fraction parts to improper fractions and simplifying.

Decimal to Fraction Calculator

Convert terminating or repeating decimals to reduced fractions and mixed-number form.

Fraction to Decimal Calculator

Convert a fraction to terminating or repeating decimal form and understand when rounding is required.

Ratio Calculator

Simplify, scale and compare ratios or divide a quantity into proportional parts.

Proportion Calculator

Solve a missing value in equivalent ratios and verify the result using equal cross products.

GCF Calculator

Find the greatest common factor of integers using factor lists, prime factorization or Euclid’s algorithm.

LCM Calculator

Find the least common multiple of integers using prime factors or the relationship between LCM and GCF.