Ratio Calculator — Formula
## How to Calculate a Ratio
### Formula
**Ratio A:B = A / B**
A ratio compares two quantities by division. The ratio 150:200 simplifies to 3:4 (divide both by 50). Ratios can be expressed as fractions (3/4), decimals (0.75), or percentages. To convert a ratio to parts of a whole, divide each part by the sum.
### Formula
**Ratio A:B = A / B**
A ratio compares two quantities by division. The ratio 150:200 simplifies to 3:4 (divide both by 50). Ratios can be expressed as fractions (3/4), decimals (0.75), or percentages. To convert a ratio to parts of a whole, divide each part by the sum.
Exemplo Resolvido
Compare 150 to 200.
- Ratio A:B = 150/200 = 0.75 or 3:4
- Ratio B:A = 200/150 = 1.3333 or 4:3
- A as fraction of total = 150/(150+200) = 150/350 = 42.86%
- B as fraction of total = 200/350 = 57.14%