Ratio & Proportion Calculator

Simplify ratios to their lowest terms using the greatest common divisor (GCD) and solve equivalent proportions (A:B = C:D) by finding missing values.

First Term (A)

Second Term (B)

Simplified Ratio2 : 3

Greatest Common Divisor (GCD): 12 • Decimal: 0.6667

Key Capabilities

Simplify ratios A:B to irreducible lowest terms

Computes Greatest Common Divisor (GCD) and decimal ratio

Solves proportion A:B = C:D for any missing term

Handles integers and floating-point decimals

Calculate percentage values, percentage increase/decrease, and differences.

Calculate mean, median, sum, count, min, max, and range from numbers.