How to find 1 percent of 100
"Percent" means per hundred, so 1% is the fraction 1/100, or 0.01 as a decimal. Taking 1 percent of 100 means multiplying 100 by that fraction:
1% of 100 = 100 x 1 / 100
= 100 / 100
= 1The same answer comes from the decimal form: 100 x 0.01 = 1. And because multiplication is commutative, 1% of 100 equals 100% of 1, which is sometimes the easier way to see it in your head.
Mental math shortcut
10% of 100 is 10 (move the decimal one place left), and 1% is 1. Build 1% from those pieces: 1 x 1 = 1.
Nearby percentages of 100
| Percent | Of 100 | 100 minus it | 100 plus it |
|---|---|---|---|
| 2% | 2 | 98 | 102 |
| 5% | 5 | 95 | 105 |
| 6% | 6 | 94 | 106 |
| 10% | 10 | 90 | 110 |
| 15% | 15 | 85 | 115 |
| 20% | 20 | 80 | 120 |
| 25% | 25 | 75 | 125 |
| 30% | 30 | 70 | 130 |
| 50% | 50 | 50 | 150 |
| 75% | 75 | 25 | 175 |
1 percent of other amounts
| Amount | 1% of it |
|---|---|
| 20 | 0.2 |
| 25 | 0.25 |
| 30 | 0.3 |
| 40 | 0.4 |
| 50 | 0.5 |
| 60 | 0.6 |
| 75 | 0.75 |
| 80 | 0.8 |
| 120 | 1.2 |
| 150 | 1.5 |
Where this comes up
A 1% discount on a 100 price takes off 1, leaving 99. A 1% tip or tax on 100 adds 1, for a total of 101. If 100 is a score out of a possible total, 1% of it is the share 1 represents. For percent change, reverse percentages, and "X is what percent of Y", use the full percentage calculator.