offlinewebtools.com browser-local workbench

Percentage Calculator

Calculate percentages, find what percent one number is of another, and calculate percentage change

Shipped
Browser local

Examples

Common Use Cases
Calculate 20% of 150
30
Calculate 15% tip on $80
$12
Calculate 7% tax on $500
$35

How It Works

What is X% of Y?

To find X% of Y, divide X by 100 to convert it to a decimal, then multiply by Y.

Formula: (X ÷ 100) × Y

What this tool does

Percentage Calculator helps you calculate percentages, find what percent one number is of another, and calculate percentage change.

What you get

Percentage Calculator produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.

Jump to helper sections

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.