What is 20% of 80?
Use our percentage calculator to easily find what 20 percent of 80 is. Calculate percentages fast with this simple percent calculator tool.
Result
16
20% of 80 = 16
Mathematical Formula
Detailed Explanation
Step 1: Understanding Percentages
20% means 20 parts out of 100. To convert a percentage to a decimal, we divide by 100: 20% = 0.2
Step 2: Multiplication
We multiply our number (80) by the decimal form of the percentage (0.2):
80 × 0.2 = 16
Step 3: Real-World Context
This means that 20% or 0.2 of 80 is 16. In other words, if you take 20% of 80, you get 16.
Common Use Cases
Discounts
When a $80 product has a 20% discount, you save $16 and pay $64.
Tips
If you want to leave a 20% tip on a $80 meal, you would leave $16 as the tip.
Taxes
When 20% sales tax is added to a $80 purchase, $16 is added for tax, making the total $96.
Proportions
If 20% of students in a class are boys and there are 80 students total, that means there are 16 boys.
Finance
If you invest $80 and earn 20% annual interest, you'll receive $16 in interest for the year.
Education
If a student answers 20% of questions correctly on a 80-question test, they answered 16 questions correctly.
Business
If 20% of your monthly revenue goes to operating expenses and you earn $80, you spend $16 on operations.
Healthcare
If a hospital reduces infections by 20% from 80 cases monthly, they now have only 64 cases per month.