How do I calculate 20% of 150?

Use the 'What is X% of Y?' calculator. Enter 20 and 150 to get 30.

How do I calculate percentage increase?

Use the percentage change calculator: enter original and new value.

Percentage = (Part / Whole) × 100.

Yes, use 'X is what percent of Y?' to find the percentage.

Difference = |V1 - V2| / ((V1 + V2) / 2) × 100.

online

Calculate percentages easily: find X% of Y, percentage change, percentage difference, and more.

Percentage (%)

Value

Select from: percent of, percent change, or percent difference.

Fill in the numbers for your calculation.

The answer is calculated instantly as you type.

Calculate your Body Mass Index (BMI) using height and weight. Supports metric and imperial units.

Calculate exact age from date of birth in years, months, days, hours, and minutes.