Percentage Calculator

About the Percentage Calculator

Find what percent one number is of another and how much a percentage equals. Simple answers, no math homework.

Everything runs in your browser — nothing is uploaded.

How to use the Percentage Calculator

Step 1Fill in the values below.
Step 2Press Calculate.
Step 3Copy the result if you need it.

When people reach for this tool

Work out what a percentage of a fee comes to

Retainers, commissions and deposits are all quoted as a percentage of something.

Turn a stated percentage into the actual number

A share of a total is often easier to check than to estimate.

Calculate each part from a percentage split

Converting proportions into amounts avoids arithmetic slips on a long list.

Practical tips

Decide the direction first,Work out whether the percentage is of the whole or of the part. Getting this backwards is the most common mistake, and both calculations look plausible.
Work in decimals internally,Ten percent is one tenth, which makes it easy to verify the answer roughly and spot a misplaced decimal point.

What you get

Instant, accurate results
Clear labeled output
Works offline

Percentage Calculator — FAQ

Is my data safe?

Yes. Everything runs in your browser and nothing is uploaded to any server.

Is it really free?

Every Social-X tool is free, unlimited and works offline.

What is X percent of Y?

Multiply Y by X and divide by one hundred. The hard part is usually deciding which value is the whole and which is the part, not the arithmetic itself.

How do I work out the percentage increase?

Take the difference between the two values, divide by the original, then multiply by one hundred. The original value is the denominator, not the new one.