Math & science
Ratio Calculator
Simplify a ratio and compare the percentage share represented by each side of the total.
Interactive calculator
Simplify and compare a ratio
Reduce two values to their simplest ratio and see how much each side contributes to the combined total.
Results
Simplified ratio
2:3
First share
40%
Second share
60%
How to use it
- 01Enter the two values in the ratio.
- 02Review the simplified ratio form.
- 03Use the percentage shares if you want to interpret the ratio as parts of a total.
Result guide
- The simplified ratio divides both sides by the same greatest common divisor.
- Percentage shares are based on the combined total of the two values.
- At least one input must be non-zero for the ratio to be meaningful here.
About this calculator
Ratio pages are useful well beyond school math because ratios show up in recipes, finance, maps, scale drawings, and data interpretation.
A stronger ratio calculator does more than simplify. It also shows how much each side contributes to the whole, which makes the result more intuitive.
Frequently asked questions
Is a ratio the same as a fraction?
They are related, but a ratio compares two quantities while a fraction often represents a part of a whole.
Why show percentages too?
Because they help interpret how much each side contributes when the ratio is viewed as a total split.
Can ratios be simplified the same way as fractions?
Yes. Both are simplified by dividing through by a common factor.
Method and limitations
This calculator uses the formula and assumptions described on this page. We do not claim independent professional review. Direct references will be listed here when they support a specific rule or data source used by this calculator.
Results are estimates for general information. Verify current rules and assumptions before making financial, tax, or health decisions.
Read our Editorial and Verification Policy →Related calculators
Keep the next question one click away.
Percentage Calculator
Calculate percentages, percent change, markups & discounts with step-by-step formulas. Solve percentage problems instantly and free on 1CalcHub.
Fraction Calculator
Add, subtract, multiply, or divide two fractions and view the simplified result and decimal equivalent.
LCM and HCF Calculator
Calculate the least common multiple and highest common factor of two integers instantly.