Ratio Calculator — Simplify, Split & Convert Ratios

Free ratio calculator: simplify ratios, divide a number by a ratio, and convert a ratio to a fraction, decimal and percentage shares — all in your browser.

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About the product

What does Ratio Calculator — Simplify, Split & Convert Ratios do?

The Ratio Calculator by ReviewKarts simplifies ratios and splits amounts by ratio. Enter a ratio such as 12:18 and it reduces it to 2:3; enter three parts such as 24:36:48 and it reduces them to 2:3:4. It also splits an amount — for example, 100 split by 2:3 gives 40 and 60. The tool is free, needs no sign-up, and runs entirely in your browser — nothing you enter is uploaded. It is made by ReviewKarts, a site publishing free online calculators and honest software reviews.

Who it’s for

Who should use Ratio Calculator — Simplify, Split & Convert Ratios?

This listing can suit a broad range of people. Check the use cases above and the provider’s own page to see whether it matches what you need.

Quick fit check

Best fit

Pricing: Free

Platforms: Web

Cost

How much does Ratio Calculator — Simplify, Split & Convert Ratios cost?

Free Check the provider’s own page for the latest pricing, packages and terms.

Directory note

Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.

Profile last updated 12 Nov 2026.
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Growth help from the team behind The Tool Directory

Built the product. Need help getting people to find, choose or keep using it?

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