Common Percentage Calculations

A quick reference for the most commonly searched percentage calculations. Each entry below links to a full worked answer — so if you need to see exactly how the result was reached, click through to the individual page.

Percentages of 20

5% = 1 10% = 2 12.5% = 2.5 15% = 3 17.5% = 3.5 25% = 5 30% = 6 40% = 8 50% = 10 60% = 12 70% = 14 75% = 15 80% = 16 90% = 18

Percentages of 25

5% = 1.25 10% = 2.5 12.5% = 3.125 15% = 3.75 17.5% = 4.375 20% = 5 30% = 7.5 40% = 10 50% = 12.5 60% = 15 70% = 17.5 75% = 18.75 80% = 20 90% = 22.5

Percentages of 30

5% = 1.5 10% = 3 12.5% = 3.75 15% = 4.5 17.5% = 5.25 20% = 6 25% = 7.5 40% = 12 50% = 15 60% = 18 70% = 21 75% = 22.5 80% = 24 90% = 27

Percentages of 40

5% = 2 10% = 4 12.5% = 5 15% = 6 17.5% = 7 20% = 8 25% = 10 30% = 12 50% = 20 60% = 24 70% = 28 75% = 30 80% = 32 90% = 36

Percentages of 50

5% = 2.5 10% = 5 12.5% = 6.25 15% = 7.5 17.5% = 8.75 20% = 10 25% = 12.5 30% = 15 40% = 20 60% = 30 70% = 35 75% = 37.5 80% = 40 90% = 45

Percentages of 60

5% = 3 10% = 6 12.5% = 7.5 15% = 9 17.5% = 10.5 20% = 12 25% = 15 30% = 18 40% = 24 50% = 30 70% = 42 75% = 45 80% = 48 90% = 54

Percentages of 75

5% = 3.75 10% = 7.5 12.5% = 9.375 15% = 11.25 17.5% = 13.125 20% = 15 25% = 18.75 30% = 22.5 40% = 30 50% = 37.5 60% = 45 70% = 52.5 80% = 60 90% = 67.5

Percentages of 80

5% = 4 10% = 8 12.5% = 10 15% = 12 17.5% = 14 20% = 16 25% = 20 30% = 24 40% = 32 50% = 40 60% = 48 70% = 56 75% = 60 90% = 72

Percentages of 100

5% = 5 10% = 10 12.5% = 12.5 15% = 15 17.5% = 17.5 20% = 20 25% = 25 30% = 30 40% = 40 50% = 50 60% = 60 70% = 70 75% = 75 80% = 80 90% = 90

Percentages of 120

5% = 6 10% = 12 12.5% = 15 15% = 18 17.5% = 21 20% = 24 25% = 30 30% = 36 40% = 48 50% = 60 60% = 72 70% = 84 75% = 90 80% = 96 90% = 108

Percentages of 150

5% = 7.5 10% = 15 12.5% = 18.75 15% = 22.5 17.5% = 26.25 20% = 30 25% = 37.5 30% = 45 40% = 60 50% = 75 60% = 90 70% = 105 75% = 112.5 80% = 120 90% = 135

Percentages of 200

5% = 10 10% = 20 12.5% = 25 15% = 30 17.5% = 35 20% = 40 25% = 50 30% = 60 40% = 80 50% = 100 60% = 120 70% = 140 75% = 150 80% = 160 90% = 180

Percentages of 250

5% = 12.5 10% = 25 12.5% = 31.25 15% = 37.5 17.5% = 43.75 20% = 50 25% = 62.5 30% = 75 40% = 100 50% = 125 60% = 150 70% = 175 75% = 187.5 80% = 200 90% = 225

Percentages of 300

5% = 15 10% = 30 12.5% = 37.5 15% = 45 17.5% = 52.5 20% = 60 25% = 75 30% = 90 40% = 120 50% = 150 60% = 180 70% = 210 75% = 225 80% = 240 90% = 270

Percentages of 400

5% = 20 10% = 40 12.5% = 50 15% = 60 17.5% = 70 20% = 80 25% = 100 30% = 120 40% = 160 50% = 200 60% = 240 70% = 280 75% = 300 80% = 320 90% = 360

Percentages of 500

5% = 25 10% = 50 12.5% = 62.5 15% = 75 17.5% = 87.5 20% = 100 25% = 125 30% = 150 40% = 200 50% = 250 60% = 300 70% = 350 75% = 375 80% = 400 90% = 450

Percentages of 1,000

5% = 50 10% = 100 12.5% = 125 15% = 150 17.5% = 175 20% = 200 25% = 250 30% = 300 40% = 400 50% = 500 60% = 600 70% = 700 75% = 750 80% = 800 90% = 900

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