Processed client-side in your browser — files never leave your device.
Free, with no signup, account, or usage limits.
Works on any modern browser, including mobile.
About this tool
Ratio Calculator is a free online utility to simplify and calculate ratios (related: ratio, proportion, math). Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
Open Ratio Calculator and enter the values you want to calculate or convert.
Adjust units or options if shown.
Read the result instantly.
Copy the output or try another set of inputs.
FAQ
What does Ratio Calculator do?
Simplify and calculate ratios.
Is Ratio Calculator private?
Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.
Is Ratio Calculator free?
Yes. It is free to use with no signup required.
How do I use Ratio Calculator?
Open the Ratio Calculator tool, then open Ratio Calculator and enter the values you want to calculate or convert.