Percentage Calculator

Multiply the number by the percentage and divide by 100. For example, 20% of 500 = (20 × 500) ÷ 100 = 100.

Divide the result by the percentage and multiply by 100. For example, if 20% equals 100, then (100 ÷ 20) × 100 = 500.

Divide the first number by the second and multiply by 100. For example, 100 out of 500 = (100 ÷ 500) × 100 = 20%.

Yes, you can use both whole and decimal percentages like 15.5% or 0.75% for precise calculations.

Common uses include discounts, tips, taxes, financial analysis, grade calculations, and measuring growth rates.