10% off 20 = 18 | Discount Calculator
A 10% discount on 20 is 18, saving 2. See the step-by-step discount calculation.
10% off 20 = 18 (you save 2)
% off
Solution: What is 10 percent off 20?
Discount = 10% × 20 = 2
Final price = 20 − 2 = 18
Final price = 20 − 2 = 18
Step-by-step explanation
- Find the discount amount: 10% of 20 = 0.1 × 20 = 2.
- Subtract the discount from the original price: 20 − 2 = 18.
- So after a 10% discount you pay 18 and save 2.
Good to know
The quick way to a sale price is to multiply by what you still pay: keeping 90% means × 0.9, so 20 × 0.9 = 18 — the same answer in one step.
Frequently asked questions
What is 10 percent off 20?
10% off 20 = 18 (you save 2).
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
Calculated instantly in your browser. Try your own numbers in the box above, or use the full Percentage Calculator.