Ratio Calculator

Simplify and analyze two-part ratios.

Your data stays on your deviceNo upload, no serverWorks offline

First valueSecond value

Simplified ratio

16:9

Decimal ratio

1.7778

First side share

64%

Second side share

36%

Why use this tool

Get simplified ratio, decimal ratio, and side shares from two values.

Ratio Calculator helps compare two quantities quickly.

It shows both simplified and percentage-style views.

01Enter two values.

02Read simplified ratio and side shares.

Confirm the input is the format you intended.

Scan the result before using it in a document, URL, config, or message.

Copy only the output you need.

Can both values be zero?

No. At least one side must be non-zero.

What is a simplified ratio?

Both values are divided by their greatest common divisor, so 4:6 becomes 2:3.

Can I use decimal inputs?

No. Ratio simplification works with positive integers.

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