Convert Ohm Square Millimetres per Metre to Ohm Metres
1 ohm square millimetre per metre (Ω·mm²/m) = 0.000001 ohm metres (Ω·m). 1 Ω·m = 1000000 Ω·mm²/m. Example: 15 Ω·mm²/m = 15 × 0.000001 = 0.000015 Ω·m.
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1 Ω·mm²/m = 0.000001 Ω·m
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk ohm square millimetre per metre to ohm metre converter to paste a column from Excel.
How to Convert Ohm Square Millimetre per Metre to Ohm Metre
- 1 Ω·mm²/m = 0.000001 Ω·m
- 1 Ω·m = 1000000 Ω·mm²/m
- Example: convert 15 Ω·mm²/m to Ω·m: 15 Ω·mm²/m = 15 × 0.000001 Ω·m = 0.000015 Ω·m
Formula
Ω·m = Ω·mm²/m ÷ 1000000
Derivation from SI units:
- 1 Ω·mm²/m = 10⁻⁶ Ω·m (resistance in Ω of a 1 m wire with 1 mm² cross-section)
- The SI unit of electrical resistivity: resistance (Ω) × cross-section (m²) ÷ length (m)
Both units are defined exactly, so the factor is exact. Ohm Square Millimetre per Metre definition: ohm square millimetre per metre; Ohm Metre definition: ohm metre.
Worked examples
- A reading of 0.0282 Ω·mm²/m converts to 2.82 × 10⁻⁸ Ω·m.
0.0282 Ω·mm²/m × 0.000001 = 2.82 × 10⁻⁸ Ω·m - A value of 0.72 Ω·mm²/m is 7.2 × 10⁻⁷ Ω·m.
0.72 Ω·mm²/m × 0.000001 = 7.2 × 10⁻⁷ Ω·m
Ohm Square Millimetre per Metre to Ohm Metre conversion table
| Ohm Square Millimetres per Metre (Ω·mm²/m) | Ohm Metres (Ω·m) |
|---|---|
| 0.0159 Ω·mm²/m | 1.59 × 10⁻⁸ Ω·m |
| 0.01724 Ω·mm²/m | 1.724 × 10⁻⁸ Ω·m |
| 0.0265 Ω·mm²/m | 2.65 × 10⁻⁸ Ω·m |
| 0.0282 Ω·mm²/m | 2.82 × 10⁻⁸ Ω·m |
| 0.1 Ω·mm²/m | 1 × 10⁻⁷ Ω·m |
| 0.5 Ω·mm²/m | 5 × 10⁻⁷ Ω·m |
| 0.72 Ω·mm²/m | 7.2 × 10⁻⁷ Ω·m |
| 1 Ω·mm²/m | 0.000001 Ω·m |
| 1.1 Ω·mm²/m | 0.0000011 Ω·m |
| 1.4 Ω·mm²/m | 0.0000014 Ω·m |
Where it's used
Ohm Square Millimetres per Metre are used for cable and wire resistance (R = ρ × length ÷ mm²), while ohm metres appear in conductor and alloy data sheets. Both measure electrical resistivity, so the conversion is a fixed factor.
Ohm Square Millimetre per Metre to other electrical resistivity units
| Conversion | 1 Ω·mm²/m equals |
|---|---|
| ohm square millimetre per metre to ohm metre | 0.000001 Ω·m |
| ohm square millimetre per metre to microohm centimetre | 100 µΩ·cm |
| ohm square millimetre per metre to ohm centimetre | 0.0001 Ω·cm |
| ohm square millimetre per metre to megaohm centimetre | 1 × 10⁻¹⁰ MΩ·cm |
| ohm square millimetre per metre to microohm metre | 1 µΩ·m |
| ohm square millimetre per metre to nanoohm metre | 1000 nΩ·m |
| ohm square millimetre per metre to ohm circular mil per foot | 601.5304936 Ω·cmil/ft |
| ohm square millimetre per metre to kiloohm centimetre | 1 × 10⁻⁷ kΩ·cm |
Frequently asked questions
How many ohm metres are in 1 ohm square millimetre per metre?
1 Ω·mm²/m = 0.000001 Ω·m.
How do I convert ohm square millimetres per metre to ohm metres?
Multiply the value in Ω·mm²/m by 0.000001, or divide it by 1000000. For example, 15 Ω·mm²/m × 0.000001 = 0.000015 Ω·m.
Is the Ω·mm²/m to Ω·m conversion exact?
Yes. Both units are defined exactly, and 1 Ω·mm²/m is exactly 0.000001 Ω·m.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures .
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Ohm Square Millimetres per Metre to Ohm Metres. Retrieved October 25, 2026, from https://scientificconverters.com/electrical-resistivity/ohm-square-millimeters-per-meter-to-ohm-meters/
IEEE
Scientific Converters, "Convert Ohm Square Millimetres per Metre to Ohm Metres," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/electrical-resistivity/ohm-square-millimeters-per-meter-to-ohm-meters/