Ratio and Proportion Calculators

Comprehensive calculators for ratios, proportions, and aspect ratios

From simple conversions to complex proportion calculations - all tools for mathematical and practical applications

Conversion Functions

Fraction to Ratio

Converts fractions (a/b) to ratios (a:b) with automatic simplification

Ratio to Fraction

Converts ratios (a:b) to fraction form (a/b) with automatic reduction

Decimal to Ratio

Converts decimal numbers to exact ratios with precision

Ratio to Decimal

Calculates the decimal value of a ratio through division

Ratio Calculator (Rule of Three)

Solves proportions using the classic rule of three and cross-multiplication

Aspect Ratio Calculator

Calculates and simplifies aspect ratios for screens and images

Ratio Simplifier

Simplifies ratios using the Euclidean algorithm to lowest terms

Scale Ratio

Scales ratios proportionally by a given factor

Compare Ratios

Compares two ratios using cross-multiplication method

16:9, 4:3, 21:9 formats
for monitors and videos

Proportional adjustment
of quantities and servings

Cost-benefit analysis
and efficiency comparisons

All essential ratio functions in one comprehensive collection

Image ratios, crop dimensions, print sizes

Scale drawings, gear ratios, material proportions

Financial ratios, market analysis, ROI calculations

Solution ratios, concentration calculations, mixing