Convert Ohm Metres to Ohm Circular Mils per Foot
1 ohm metre (Ω·m) = 601530493.6 ohm circular mils per foot (Ω·cmil/ft). 1 Ω·cmil/ft = 1.662426113 × 10⁻⁹ Ω·m. Example: 15 Ω·m = 15 × 601530493.6 = 9022957404 Ω·cmil/ft.
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1 Ω·m = 601530493.6 Ω·cmil/ft
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk ohm metre to ohm circular mil per foot converter to paste a column from Excel.
How to Convert Ohm Metre to Ohm Circular Mil per Foot
- 1 Ω·m = 601530493.6 Ω·cmil/ft
- 1 Ω·cmil/ft = 1.662426113 × 10⁻⁹ Ω·m
- Example: convert 15 Ω·m to Ω·cmil/ft: 15 Ω·m = 15 × 601530493.6 Ω·cmil/ft = 9022957404 Ω·cmil/ft
Formula
Ω·cmil/ft = Ω·m × 601530493.5757
Derivation from SI units:
- The SI unit of electrical resistivity: resistance (Ω) × cross-section (m²) ÷ length (m)
- 1 Ω·cmil/ft = (π/4 × (25.4 µm)²) ÷ 0.3048 m Ω ≈ 1.6624 × 10⁻⁹ Ω·m; a circular mil is the area of a 1-mil-diameter circle
Both units are defined exactly, so the factor is exact. Ohm Metre definition: ohm metre; Ohm Circular Mil per Foot definition: ohm circular mil per foot.
Worked examples
- A reading of 1e-7 Ω·m converts to 60.15304936 Ω·cmil/ft.
1e-7 Ω·m × 601530493.6 = 60.15304936 Ω·cmil/ft - A value of 1 Ω·m is 601530493.6 Ω·cmil/ft.
1 Ω·m × 601530493.6 = 601530493.6 Ω·cmil/ft
Ohm Metre to Ohm Circular Mil per Foot conversion table
| Ohm Metres (Ω·m) | Ohm Circular Mils per Foot (Ω·cmil/ft) |
|---|---|
| 1.59e-8 Ω·m | 9.564334848 Ω·cmil/ft |
| 1.72e-8 Ω·m | 10.34632449 Ω·cmil/ft |
| 2.65e-8 Ω·m | 15.94055808 Ω·cmil/ft |
| 1e-7 Ω·m | 60.15304936 Ω·cmil/ft |
| 1e-6 Ω·m | 601.5304936 Ω·cmil/ft |
| 0.001 Ω·m | 601530.4936 Ω·cmil/ft |
| 1 Ω·m | 601530493.6 Ω·cmil/ft |
| 100 Ω·m | 60153049360 Ω·cmil/ft |
| 1000 Ω·m | 601530493600 Ω·cmil/ft |
| 1e12 Ω·m | 6.015304936 × 10²⁰ Ω·cmil/ft |
Where it's used
Ohm Metres are used for conductor and alloy data sheets, while ohm circular mils per foot appear in US wire tables and AWG calculations. Both measure electrical resistivity, so the conversion is a fixed factor.
Ohm Metre to other electrical resistivity units
| Conversion | 1 Ω·m equals |
|---|---|
| ohm metre to ohm circular mil per foot | 601530493.6 Ω·cmil/ft |
| ohm metre to microohm centimetre | 100000000 µΩ·cm |
| ohm metre to ohm centimetre | 100 Ω·cm |
| ohm metre to ohm square millimetre per metre | 1000000 Ω·mm²/m |
| ohm metre to megaohm centimetre | 0.0001 MΩ·cm |
| ohm metre to microohm metre | 1000000 µΩ·m |
| ohm metre to nanoohm metre | 1000000000 nΩ·m |
| ohm metre to kiloohm centimetre | 0.1 kΩ·cm |
Frequently asked questions
How many ohm circular mils per foot are in 1 ohm metre?
1 Ω·m = 601530493.6 Ω·cmil/ft.
How do I convert ohm metres to ohm circular mils per foot?
Multiply the value in Ω·m by 601530493.6. For example, 15 Ω·m × 601530493.6 = 9022957404 Ω·cmil/ft.
Is the Ω·m to Ω·cmil/ft conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures .
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "circular mil".
- Copper Wire Tables, NBS Handbook 100 (International Annealed Copper Standard), National Bureau of Standards (now NIST) .
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 Metres to Ohm Circular Mils per Foot. Retrieved October 25, 2026, from https://scientificconverters.com/electrical-resistivity/ohm-meters-to-ohm-circular-mils-per-foot/
IEEE
Scientific Converters, "Convert Ohm Metres to Ohm Circular Mils per Foot," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/electrical-resistivity/ohm-meters-to-ohm-circular-mils-per-foot/