Calculators
Simplify and compare ratios between two values quickly.
Use this ratio calculator to simplify ratios and express two values in ratio form. It is useful for proportions, comparisons, scaling, recipes, design work, and any workflow where two numbers should be compared as a simplified ratio.
Use this ratio calculator to simplify ratios and express two values in ratio form. It is useful for proportions, comparisons, scaling, recipes, design work, and any workflow where two numbers should be compared as a simplified ratio.
Use ratio calculator when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
Find similar and supporting tools for adjacent actions and follow-up tasks.
Input
10 and 20
Output
1:2
Reduces the ratio to its simplest form.
Input
1920 and 1080
Output
16:9
Useful for screen, image, or layout proportions.
Fix: Use a percentage tool if the goal is a percent rather than a direct ratio.
Fix: Enter both values needed for the comparison.
Fix: Convert to whole numbers first if you need a cleaner traditional ratio.
It helps simplify ratios and compare values in ratio form.
Yes. It can simplify ratios to their lowest terms.
Some ratio tasks work best with whole numbers, but decimals may still be accepted depending on the tool logic.
Yes. It works online in the browser.
Ratio is useful when you want to compare two values directly rather than express one as a percent of the other.