What is 50% of 30?

To find 50% of 30, multiply 30 by 50 and divide by 100. 30 × 50 ÷ 100 = 15.

Need a different percentage? Use the free percentage calculator.

Another way to look at it

Turn it around: 30% of 50 is also 15. 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 50% of 30 compares to nearby round percentages.

Quick example

A 50% discount on a £30 item saves you £15.

Other percentages of 30

Frequently asked questions

Is 50% of 30 more or less than half?

15 is exactly half of 30.

What's the difference between 50% of 30 and 50% off 30?

50% of 30 is the portion itself: 15. 50% off 30 means removing that portion from the total, leaving 15. The two figures add back up to 30.

How do I work out 50% of 30 without a calculator?

Multiply 30 by 50 and divide by 100. A quick shortcut: find 10% of 30 first (3), then scale that up or down to build 50%.