What is 50% of 30?
15
50% of 30 is 15.
How it is worked out
Divide the percentage by 100, then multiply by the amount.
50% = 0.5, and 0.5 × 30 = 15
Try your own numbers
Answer15
Open the full percentage calculator for every other form.
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Percentage of a number
Questions
- What is 50% of 30?
- 50% of 30 is 15. 50% = 0.5, and 0.5 × 30 = 15.
- How do you work this out?
- Divide the percentage by 100, then multiply by the amount.
- Can I use other numbers?
- Yes — the calculator on this page takes any two numbers, and the full percentage calculator covers every form: percentage of a number, one number as a percentage of another, percentage change, increase and decrease.