What is 100 increased by 20%?
120
100 increased by 20% is 120.
How it is worked out
Multiply by 1 plus the percentage as a decimal. One step, not two.
100 × 1.2 = 120 — an increase of 20
Try your own numbers
Answer120
Open the full percentage calculator for every other form.
Similar percentage questions
- What is 100 increased by 15% = 115
- What is 100 increased by 25% = 125
- What is 100 increased by 10% = 110
- What is 100 increased by 30% = 130
- What is 100 increased by 5% = 105
- What is 100 increased by 40% = 140
Percentage increase
Questions
- What is 100 increased by 20%?
- 100 increased by 20% is 120. 100 × 1.2 = 120 — an increase of 20.
- How do you work this out?
- Multiply by 1 plus the percentage as a decimal. One step, not two.
- 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.