How to find 40 percent of 1000
"Percent" means per hundred, so 40% is the fraction 40/100, or 0.4 as a decimal. Taking 40 percent of 1000 means multiplying 1000 by that fraction:
40% of 1000 = 1000 x 40 / 100
= 40,000 / 100
= 400The same answer comes from the decimal form: 1000 x 0.4 = 400. And because multiplication is commutative, 40% of 1000 equals 1000% of 40, which is sometimes the easier way to see it in your head.
Mental math shortcut
10% of 1000 is 100 (move the decimal one place left), and 1% is 10. Build 40% from those pieces: 4 x 100 = 400.
Nearby percentages of 1000
| Percent | Of 1000 | 1000 minus it | 1000 plus it |
|---|---|---|---|
| 1% | 10 | 990 | 1,010 |
| 5% | 50 | 950 | 1,050 |
| 10% | 100 | 900 | 1,100 |
| 15% | 150 | 850 | 1,150 |
| 20% | 200 | 800 | 1,200 |
| 25% | 250 | 750 | 1,250 |
| 30% | 300 | 700 | 1,300 |
| 35% | 350 | 650 | 1,350 |
| 39% | 390 | 610 | 1,390 |
| 41% | 410 | 590 | 1,410 |
| 45% | 450 | 550 | 1,450 |
| 50% | 500 | 500 | 1,500 |
40 percent of other amounts
| Amount | 40% of it |
|---|---|
| 200 | 80 |
| 250 | 100 |
| 300 | 120 |
| 400 | 160 |
| 500 | 200 |
| 600 | 240 |
| 750 | 300 |
| 800 | 320 |
| 1200 | 480 |
| 1500 | 600 |
Where this comes up
A 40% discount on a 1000 price takes off 400, leaving 600. A 40% tip or tax on 1000 adds 400, for a total of 1,400. If 1000 is a score out of a possible total, 40% of it is the share 400 represents. For percent change, reverse percentages, and "X is what percent of Y", use the full percentage calculator.