What is 40% of 5?
Use our percentage calculator to easily find what 40 percent of 5 is. Calculate percentages fast with this simple percent calculator tool.
Result
2
40% of 5 = 2
Mathematical Formula
Detailed Explanation
Step 1: Understanding Percentages
40% means 40 parts out of 100. To convert a percentage to a decimal, we divide by 100: 40% = 0.4
Step 2: Multiplication
We multiply our number (5) by the decimal form of the percentage (0.4):
5 × 0.4 = 2
Step 3: Real-World Context
This means that 40% or 0.4 of 5 is 2. In other words, if you take 40% of 5, you get 2.
Common Use Cases
Discounts
When a $5 product has a 40% discount, you save $2 and pay $3.
Tips
If you want to leave a 40% tip on a $5 meal, you would leave $2 as the tip.
Taxes
When 40% sales tax is added to a $5 purchase, $2 is added for tax, making the total $7.
Proportions
If 40% of students in a class are boys and there are 5 students total, that means there are 2 boys.
Finance
If you invest $5 and earn 40% annual interest, you'll receive $2 in interest for the year.
Education
If a student answers 40% of questions correctly on a 5-question test, they answered 2 questions correctly.
Business
If 40% of your monthly revenue goes to operating expenses and you earn $5, you spend $2 on operations.
Healthcare
If a hospital reduces infections by 40% from 5 cases monthly, they now have only 3 cases per month.