Percentage Calculator

Calculate percentages, percent change, and more

What is% of?

10%

1/10 = 0.10

20%

1/5 = 0.20

25%

1/4 = 0.25

33.33%

1/3 = 0.33

50%

1/2 = 0.50

66.67%

2/3 = 0.67

75%

3/4 = 0.75

80%

4/5 = 0.80

90%

9/10 = 0.90

100%

1 = 1.00

Finding 10%

Move the decimal point one place left (e.g., 10% of 250 = 25)

Finding 15%

Find 10%, then add half of it (e.g., 15% of 80 = 8 + 4 = 12)

Finding 20%

Divide by 5, or find 10% and double it

Finding 25%

Divide by 4 (e.g., 25% of 80 = 20)