ohm meter
Electrical resistivityexact by definition
The ohm metre is the SI unit of electrical resistivity, the bulk property of a material independent of the shape of the sample. Numerically it is the resistance measured face to face across a cube of the material one metre on a side. The relation to SI base units is exact by definition, since resistivity is resistance times area divided by length.
Watch out: Resistivity is strongly temperature dependent, roughly 0.4 percent per degree Celsius for copper, so a value is meaningless without the temperature it was measured at. Soil and water resistivity also depend on moisture and dissolved solids.
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One ohm meter in every electrical resistivity unit
| 1,000,000,000 | nanoohm meter (nΩ·m) | |
| 601,530,000 | ohm circular mil per foot (Ω·cmil/ft) | |
| 100,000,000 | microohm centimeter (μΩ·cm) | |
| 1,000,000 | microohm meter (μΩ·m) | |
| 1,000,000 | ohm square millimeter per meter (Ω·mm²/m) | |
| 100,000 | milliohm centimeter (mΩ·cm) | |
| 100 | ohm centimeter (Ω·cm) | |
| 1 | ohm meter (Ω·m)this unit | |
| 0.1 | kiloohm centimeter (kΩ·cm) | |
| 0.0001 | megaohm centimeter (MΩ·cm) |
Solvers that use electrical resistivity