are
Areaexact by definition
The are is exactly 100 square metres, a square ten metres on a side. It is the parent unit of the hectare, which is simply one hundred ares, and it survives in continental European land records and in some horticultural and viticultural contexts.
| 1 | 100 |
Where the unit came from
It was created in the French metric reform of 1795 as the intended unit of land measure. The hectare, its hundredfold, turned out to be the size people actually needed, and the are was left behind almost everywhere except in the name of its own multiple.
One are in every area unit
| 1.00000e+36 | microbarn (μb) | |
| 1.00000e+33 | millibarn (mb) | |
| 1.00000e+30 | barn (b) | |
| 1.00000e+20 | square nanometer (nm²) | |
| 100,000,000,000,000 | square micrometer (μm²) | |
| 197,353,000,000 | circular mil (cmil) | |
| 197,353,000 | thousand circular mils (kcmil) | |
| 100,000,000 | square millimeter (mm²) | |
| 1,000,000 | square centimeter (cm²) | |
| 155,000 | square inch (in²) | |
| 10,000 | square decimeter (dm²) | |
| 1,076.39 | square foot (ft²) | |
| 119.599 | square yard (yd²) | |
| 100 | square meter (m²) | |
| 30.25 | tsubo (tsubo) | |
| 3.95369 | square rod (rd²) | |
| 1 | are (a)this unit | |
| 0.247105 | square chain (ch²) | |
| 0.1 | dunam (dunam) | |
| 0.0988422 | rood (rood) | |
| 0.0247105 | acre (ac) | |
| 0.01 | hectare (ha) | |
| 0.0001 | square kilometer (km²) | |
| 0.0000386102 | square mile (mi²) |
Solvers that use area