FormulasUsed to Change One Set of Units to Another (Metric to US/English and Vice Versa) for a Variety of Wire Measurements
| MULTIPLY | BY | TO OBTAIN |
| Tensile Strength – US/English | ||
| Kilopounds per square inch (ksi) | 0.7031 | Kilograms per square millimeter (kg/mm²) |
| Ohm-square millimeter per meter (Ω-mm²/m) | 6.8948 | Megapascals (MPa) or Newtons per square millimeter (N/mm²) |
| Tensile Strength – Metric | ||
| Kilograms per square millimeter (kg/mm²) | 1422.3 | Pounds per square inch (psi) |
| Megapascals (MPA) | 0.145 | Kilopounds per square inch (ksi) |
| Force – US/English | ||
| Pound force (lb) | 4.4482 | Newton (N) |
| Force – Metric | ||
| Newton (N) | 0.22481 | Pound force (lb) |
| Resistance – US/English | ||
| Ohms per 1000 ft (Ω/mft) | 3.2808 | Ohms per kilometer (Ω/km) |
| Ohms per mile (Ω/mile) | 0.62137 | Ohms per kilometer (Ω/km) |
| Resistance – Metric | ||
| Ohms per kilometer (Ω/km) | 0.3048 | Ohms per 1000 ft (Ω/mft) |
| Ohms per kilometer (Ω/km) | 1.6093 | Ohms per mile (Ω/mile) |
| Resistivity – US/English | ||
| Ohm-circular mil per foot (Ω-cmil/ft) | 0.16624 | Micro-ohm centimeter (mΩ-cm) |
| Ohm-circular mil per foot (Ω-cmil/ft) | 0.0016624 | Ohm-square millimeter per meter (Ω-mm²/m) |
| Ohm-circular mil per foot (Ω-cmil/ft) | 0.065450 | Micro-ohm inch (mΩ-in) |
| Micro-ohm-inch (mΩ-in) | 15.279 | Ohm-circular mil per foot (Ω-cmil/ft) |
| % IACS | 1037.1 ÷ %IACS | Ohm-circular mil per foot (Ω-cmil/ft) |
| Resistivity – Metric | ||
| Micro-ohm centimeter (mΩ-cm) | 6.0153 | Ohm-circular mil per foot (Ω-cmil/ft) |
| Micro-ohm centimeter (mΩ-cm) | 0.39370 | Micro-ohm inch (mΩ-in) |
| Micro-ohm centimeter (mΩ-cm) | 0.0100 | Ohm-square millimeter per meter (Ω-mm²/m) |
| Ohm-square millimeter per meter (Ω-mm²/m) |
601.54 | Ohm-circular mil per foot (Ω-cmil/ft) |
| % IACS | 172.41 ÷ %IACS | Micro-ohm centimeter (mΩ-cm) |
| Weight – US/English | ||
| Pounds per 1000 ft (lbs/mft) | 1.4882 | Kilograms per kilometer (kg/km) |
| Weight – Metric | ||
| Kilograms per kilometer (kg/km) | 0.67197 | Pounds per 1000 ft (lbs/mft) |
| Density – US/English | ||
| Pounds per cubic inch (lb/in³) | 27.68 | Grams per cubic centimeter (gm/cm³) |
| Density – Metric | ||
| Grams per cubic centimeter (gm/cm³) | 0.03613 | Pounds per cubic inch (lb/in³) |
| Cross-Sectional Area – US/English | ||
| Circular mils (CMA or cmil) | 0.0005067 | Square millimeter (mm²) |
| Square inches (in²) | 645.16 | Square millimeter (mm²) |
| Circular mils (CMA or cmil) | 0.0000007854 | Square inches (in²) |
| Square inches (in²) | 1273240 | Circular mils (CMA or cmil) |
| Cross-Sectional Area – Metric | ||
| Square millimeter (mm²) | 1973.6 | Circular mils (CMA or cmil) |
| Square millimeter (mm²) | 0.00155 | Square inches (in²) |