Ratio Percentage Calculator
:
Result
What is Ratio Percentage Calculator?
To convert a ratio to percentages, find the total of all parts, then divide each part by the total and multiply by 100.
Converting 3 : 7 to Percentages
1
Ratio
3 : 7
→
2
Find Total
3 + 7 = 10
→
✓
Result
30% : 70%
Ratio Percentage Calculator Formula
Memorizing these common conversions saves time in everyday calculations.
1 : 1
= 50% : 50%
1 : 3
= 25% : 75%
2 : 3
= 40% : 60%
1 : 4
= 20% : 80%
3 : 7
= 30% : 70%
9 : 1
= 90% : 10%
Where This Is Used
Ratio-to-percentage conversion is vital in data analysis, business, and everyday decisions.
Data Analysis
Visualize ratios as pie charts
Business
Market share & profit splits
Elections
Vote distributions as percentages
FAQ
FAQ: Ratio Percentages
Questions about converting between ratios and percentages.
For ratio A:B, calculate A/(A+B)×100% for the first part and B/(A+B)×100% for the second part. For example, 3:7 = 30% and 70%.
If something is 40%, the ratio is 40:60, which simplifies to 2:3. Divide both by their GCF.