Math
Ratio Calculator
Simplify any ratio to lowest terms and split a total value proportionally between two parts.
16:9
Simplified Ratio
64
Part A (16)
36
Part B (9)
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Frequently Asked Questions
Quick answers to common questions
How do you simplify a ratio?+
Divide both sides of the ratio by their greatest common divisor (GCD). Example: 16:9 stays 16:9; 48:18 simplifies to 8:3.
How does ratio splitting work?+
If the ratio is A:B and total is T, Part A = T × A/(A+B) and Part B = T × B/(A+B).
Can ratios have decimals?+
Yes. The calculator works with decimal inputs and simplifies accordingly.
Is my data private?+
Yes. All math runs in your browser only.