Ratio Calculator
Simplify a ratio, find a missing value, or divide a total in a ratio.
Work with ratios
Calculated instantly in your browser.
Simplify a ratio
::
Simplified ratio—
Enter the values above.
Find the missing value: A : B = C : ?
:=: ?
Missing value—
Enter the values above.
Split a total in a ratio
Shares—
Enter the values above.
How to use it
- Pick the block that matches your problem.
- Enter the numbers. Decimals are fine.
- Read the answer under the inputs.
Examples
12 : 8simplifies to3 : 2.2 : 3 = 10 : ?gives15.- Split
100in the ratio2 : 3→40 + 60.
Decimals are handled up to four places when simplifying. A ratio compares quantities of the same kind, so units must match.