What is 20% of 45?
9
20% of 45 is 9.
How it is worked out
Divide the percentage by 100, then multiply by the amount.
20% = 0.2, and 0.2 × 45 = 9
Try your own numbers
Answer9
Open the full percentage calculator for every other form.
Similar percentage questions
- What is 15% of 45 = 6.75
- What is 25% of 45 = 11.25
- What is 10% of 45 = 4.5
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- What is 50% of 45 = 22.5
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Percentage of a number
Questions
- What is 20% of 45?
- 20% of 45 is 9. 20% = 0.2, and 0.2 × 45 = 9.
- 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.