What is 15% of 15?

Use our percentage calculator to easily find what 15 percent of 15 is. Calculate percentages fast with this simple percent calculator tool.

Result

2.25

15% of 15 = 2.25

Mathematical Formula

15%×15=15×15100=2.2515\% \times 15 = 15 \times \frac{15}{100} = 2.25

Detailed Explanation

Step 1: Understanding Percentages

15% means 15 parts out of 100. To convert a percentage to a decimal, we divide by 100: 15% = 0.15

Step 2: Multiplication

We multiply our number (15) by the decimal form of the percentage (0.15):
15 × 0.15 = 2.25

Step 3: Real-World Context

This means that 15% or 0.15 of 15 is 2.25. In other words, if you take 15% of 15, you get 2.25.

Common Use Cases

Discounts

When a $15 product has a 15% discount, you save $2.25 and pay $12.75.

Tips

If you want to leave a 15% tip on a $15 meal, you would leave $2.25 as the tip.

Taxes

When 15% sales tax is added to a $15 purchase, $2.25 is added for tax, making the total $17.25.

Proportions

If 15% of students in a class are boys and there are 15 students total, that means there are 2 boys.

Finance

If you invest $15 and earn 15% annual interest, you'll receive $2.25 in interest for the year.

Education

If a student answers 15% of questions correctly on a 15-question test, they answered 2 questions correctly.

Business

If 15% of your monthly revenue goes to operating expenses and you earn $15, you spend $2.25 on operations.

Healthcare

If a hospital reduces infections by 15% from 15 cases monthly, they now have only 13 cases per month.

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