Smart Calculators

Percentage Calculator – Calculate X% of Y

A percentage calculator finds a given percentage of a value. For example, what is 20% of 150? You enter the percentage and the value; the calculator gives the result. This article explains the formula and links to our percentage calculator.

Quick Answer

LabelValue
Percentage20%
Of value100
Result20

How It Works

Result = (percentage ÷ 100) × value. So 20% of 100 is (20 ÷ 100) × 100 = 20. Use our calculator for any percentage and value. Handy for discounts, tips, and proportions.

Additional Notes

For percentage change (increase or decrease), use the difference divided by the original value; we can add that in the calculator.

Use Our Calculator

Try our Percentage Calculator for your own numbers: /calculators/percentage-calculator

Related Calculators

Frequently asked questions
  • Multiply the value by (percentage ÷ 100). Example: 15% of 200 = 30.

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