What is 30% of 50?
Use our percentage calculator to easily find what 30 percent of 50 is. Calculate percentages fast with this simple percent calculator tool.
Result
15
30% of 50 = 15
Mathematical Formula
Detailed Explanation
Step 1: Understanding Percentages
30% means 30 parts out of 100. To convert a percentage to a decimal, we divide by 100: 30% = 0.3
Step 2: Multiplication
We multiply our number (50) by the decimal form of the percentage (0.3):
50 × 0.3 = 15
Step 3: Real-World Context
This means that 30% or 0.3 of 50 is 15. In other words, if you take 30% of 50, you get 15.
Common Use Cases
Discounts
When a $50 product has a 30% discount, you save $15 and pay $35.
Tips
If you want to leave a 30% tip on a $50 meal, you would leave $15 as the tip.
Taxes
When 30% sales tax is added to a $50 purchase, $15 is added for tax, making the total $65.
Proportions
If 30% of students in a class are boys and there are 50 students total, that means there are 15 boys.
Finance
If you invest $50 and earn 30% annual interest, you'll receive $15 in interest for the year.
Education
If a student answers 30% of questions correctly on a 50-question test, they answered 15 questions correctly.
Business
If 30% of your monthly revenue goes to operating expenses and you earn $50, you spend $15 on operations.
Healthcare
If a hospital reduces infections by 30% from 50 cases monthly, they now have only 35 cases per month.