What is 10% of 30?

To find 10% of 30, multiply 30 by 10 and divide by 100. 30 × 10 ÷ 100 = 3.

Need a different percentage? Use the free percentage calculator.

Another way to look at it

Turn it around: 30% of 10 is also 3. That's not a coincidence — percentages work both ways, so swapping the two numbers always gives you the same answer.

Nearby round percentages

For context, here is how 10% of 30 compares to nearby round percentages.

Quick example

If a £30 restaurant bill had a 10% tip added, the tip would be £3.

Other percentages of 30

Frequently asked questions

Is 10% of 30 more or less than half?

3 is less than half of 30 — half of 30 is 15.

What's the difference between 10% of 30 and 10% off 30?

10% of 30 is the portion itself: 3. 10% off 30 means removing that portion from the total, leaving 27. The two figures add back up to 30.

How do I work out 10% of 30 without a calculator?

Multiply 30 by 10 and divide by 100. A quick shortcut: find 10% of 30 first (3), then scale that up or down to build 10%.