How to find 7 percent of 20
"Percent" means per hundred, so 7% is the fraction 7/100, or 0.07 as a decimal. Taking 7 percent of 20 means multiplying 20 by that fraction:
7% of 20 = 20 x 7 / 100
= 140 / 100
= 1.4The same answer comes from the decimal form: 20 x 0.07 = 1.4. And because multiplication is commutative, 7% of 20 equals 20% of 7, which is sometimes the easier way to see it in your head.
Mental math shortcut
10% of 20 is 2 (move the decimal one place left), and 1% is 0.2. Build 7% from those pieces: 7 x 0.2 = 1.4.
Nearby percentages of 20
| Percent | Of 20 | 20 minus it | 20 plus it |
|---|---|---|---|
| 1% | 0.2 | 19.8 | 20.2 |
| 2% | 0.4 | 19.6 | 20.4 |
| 5% | 1 | 19 | 21 |
| 6% | 1.2 | 18.8 | 21.2 |
| 8% | 1.6 | 18.4 | 21.6 |
| 10% | 2 | 18 | 22 |
| 12% | 2.4 | 17.6 | 22.4 |
| 14% | 2.8 | 17.2 | 22.8 |
| 15% | 3 | 17 | 23 |
| 20% | 4 | 16 | 24 |
| 25% | 5 | 15 | 25 |
| 30% | 6 | 14 | 26 |
7 percent of other amounts
| Amount | 7% of it |
|---|---|
| 10 | 0.7 |
| 25 | 1.75 |
| 30 | 2.1 |
| 40 | 2.8 |
| 50 | 3.5 |
| 60 | 4.2 |
| 75 | 5.25 |
| 80 | 5.6 |
| 100 | 7 |
Where this comes up
A 7% discount on a 20 price takes off 1.4, leaving 18.6. A 7% tip or tax on 20 adds 1.4, for a total of 21.4. If 20 is a score out of a possible total, 7% of it is the share 1.4 represents. For percent change, reverse percentages, and "X is what percent of Y", use the full percentage calculator.