50% of 30 is 15. To calculate this: 1) Convert 50% to decimal (50/100 = 0.5), 2) Multiply by 30 to get 15.

What is 50% of 30?

Use our percentage calculator to easily find what 50 percent of 30 is. Calculate percentages fast with this simple percent calculator tool.

Result

50% of 30 = 15

50\% \times 30 = 30 \times \frac{50}{100} = 15

50% means 50 parts out of 100. To convert a percentage to a decimal, we divide by 100: 50% = 0.5

We multiply our number (30) by the decimal form of the percentage (0.5):
30 × 0.5 = 15

This means that 50% or 0.5 of 30 is 15. In other words, if you take 50% of 30, you get 15.

When a $30 product has a 50% discount, you save $15 and pay $15.

If you want to leave a 50% tip on a $30 meal, you would leave $15 as the tip.

When 50% sales tax is added to a $30 purchase, $15 is added for tax, making the total $45.

If 50% of students in a class are boys and there are 30 students total, that means there are 15 boys.

If you invest $30 and earn 50% annual interest, you'll receive $15 in interest for the year.

If a student answers 50% of questions correctly on a 30-question test, they answered 15 questions correctly.

If 50% of your monthly revenue goes to operating expenses and you earn $30, you spend $15 on operations.

If a hospital reduces infections by 50% from 30 cases monthly, they now have only 15 cases per month.

Percentage (%)

Number