Percentage Calculator
X is What % of Y

20 is What Percent of 80?

20 is 25% of 80. Free percentage calculator — get instant answers to any percent question. No sign-up required.

20 of 80

25%

Related Examples

20 of 8025%
40 of 8050%
20 of 16012.5%
20 of 8025%

Need a custom calculation?

Use the full percentage calculator for any values.

Open Calculator →

Frequently Asked Questions

20 is what percent of 80?+
20 is 25% of 80. Formula: (20 ÷ 80) × 100 = 25%.
How do you find what percent one number is of another?+
Divide the part by the whole, then multiply by 100. For example, 25 is what percent of 200? (25 ÷ 200) × 100 = 12.5%.
What is this useful for?+
This calculation is used for test scores (you got 45 out of 60 — what percent?), budget breakdowns, survey results, and comparing proportions.
What if I want to go the other way?+
If you want to find X% of a number, use the "What is X% of Y?" calculator above. If you want the percentage change between two numbers, use the percentage change calculator.

Related Guide

Free Percentage Calculator Online: Solve Any Percent Problem Instantly

Read Guide →