Percentage Calculator - Simple & Quick

Calculate percentages instantly. Find X% of Y, determine what percentage a number is of another, or find the original value.

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How to Calculate Percentages

Percentage calculations are used every day, from figuring out sales tax to grading tests. This tool uses three standard formulas:

(Percentage ÷ 100) × Total Value
Example: 20% of 50 is (20/100) × 50 = 10.

(Part ÷ Total) × 100
Example: 10 is what percent of 50? (10/50) × 100 = 20%.