面积是二维表面或形状范围的度量。它通常以平方米（例如平方米（平方米））为单位进行测量。
1 km² = 1,550,003,100.006 in²
1 in² = 6.4516e-10 km²
例子:
将15 平方公里转换为平方英寸：
15 km² = 23,250,046,500.093 in²
| 平方公里 | 平方英寸 |
|---|---|
| 0.01 km² | 15,500,031 in² |
| 0.1 km² | 155,000,310.001 in² |
| 1 km² | 1,550,003,100.006 in² |
| 2 km² | 3,100,006,200.012 in² |
| 3 km² | 4,650,009,300.019 in² |
| 5 km² | 7,750,015,500.031 in² |
| 10 km² | 15,500,031,000.062 in² |
| 20 km² | 31,000,062,000.124 in² |
| 30 km² | 46,500,093,000.186 in² |
| 40 km² | 62,000,124,000.248 in² |
| 50 km² | 77,500,155,000.31 in² |
| 60 km² | 93,000,186,000.372 in² |
| 70 km² | 108,500,217,000.434 in² |
| 80 km² | 124,000,248,000.496 in² |
| 90 km² | 139,500,279,000.558 in² |
| 100 km² | 155,000,310,000.62 in² |
| 250 km² | 387,500,775,001.55 in² |
| 500 km² | 775,001,550,003.1 in² |
| 750 km² | 1,162,502,325,004.65 in² |
| 1000 km² | 1,550,003,100,006.2 in² |
| 10000 km² | 15,500,031,000,062 in² |
| 100000 km² | 155,000,310,000,620 in² |
规则