What is 50% of 100?

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

Need a different percentage? Use the free percentage calculator.

Another way to look at it

Turn it around: 100% of 50 is also 50. 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 100 compares to nearby round percentages.

As a test score

If this were a test out of 100 marks, scoring 50 would be a 50% result — a pass in most grading systems, typically a D grade. Grade boundaries vary by exam board and institution, so treat this as a rough guide rather than an official conversion.

Quick example

A 50% discount on a £100 item saves you £50.

Other percentages of 100

Frequently asked questions

Is 50% of 100 more or less than half?

50 is exactly half of 100.

What's the difference between 50% of 100 and 50% off 100?

50% of 100 is the portion itself: 50. 50% off 100 means removing that portion from the total, leaving 50. The two figures add back up to 100.

How do I work out 50% of 100 without a calculator?

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