Ratio Calculator

Choose your calculator☝️

Enter the first ratio $\hspace{0.2em} (a_1 : b_1 : c_1 : d_1) \hspace{0.2em}$

: : :

Enter the second ratio $\hspace{0.2em} (a_2 : b_2 : c_2 : d_2) \hspace{0.2em}$

: : :

Please provide your input and click the calculate button

About the Ratio Calculator

The ratio calculator can do the following for you.

Solve proportions
Split a total in a certain ratio
Scale a ratio

The calculator will give you not just the answers but step-by-step solution.

Usage Guide

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i. Valid Inputs

Each term of a ratio, total, and scale can be in any of the following formats.

Whole numbers or decimals → $\hspace{0.2em} 2 \hspace{0.2em}$ , $\hspace{0.2em} -4.25 \hspace{0.2em}$ , $\hspace{0.2em} 0 \hspace{0.2em}$ , $\hspace{0.2em} 0.33 \hspace{0.2em}$
Fractions → $\hspace{0.2em} 2/3 \hspace{0.2em}$ , $\hspace{0.2em} -1/5 \hspace{0.2em}$
Mixed numbers → $\hspace{0.2em} 5 \hspace{0.5em} 1/4 \hspace{0.2em}$

Note — Terms for a ratio must be non-negative though. And the scale factor ("scale" calculator) must be positive.

ii. Example

If you would like to see an example of the calculator's working, just click the "example" button.

iii. Solutions

As mentioned earlier, the calculator won't just tell you the answer but also the steps you can follow to do the calculation yourself. The "show/hide solution" button would be available to you after the calculator has processed your input.

iv. Share

We would love to see you share our calculators with your family, friends, or anyone else who might find it useful.

By checking the "include calculation" checkbox, you can share your calculation as well.