Calculate AWG wire inductance easily. Professional engineering tool designed for accuracy.
Wire inductance is a fundamental electrical property that determines how a conductor opposes changes in electric current. When designing high-frequency circuits, radio frequency identifiers, power distribution networks, or custom inductors, calculating the exact parasitic inductance of American Wire Gauge (AWG) conductors is essential. Inductance heavily depends on the physical dimensions of the conductor, specifically its total length and radius, alongside environmental characteristics like core permeability and operating frequency.
This calculator employs a variation of Wheeler's empirical formula designed for straight round conductors at high frequencies. The fundamental equation calculates inductance ($L$) in nanohenries based on length ($l$) and radius ($r$) in centimeters:
$$L = 5 \cdot l \cdot \left(\ln\left(\frac{2l}{r}\right) - 0.75\right) \cdot \mu_r$$
The AWG standard diameter is integrated dynamically via the mathematical conversion: $d = 0.005 \times 92^{(36-AWG)/39}$ inches, translating directly to metric system measurements for rigorous evaluation.
Using this application is straightforward and efficient. First, select your target American Wire Gauge (AWG) number from the comprehensive dropdown list. Next, enter the numerical length of the wire and choose your preferred measurement unit such as centimeters, millimeters, inches, or meters. Proceed by adjusting optional parameters including configuration shape, operating frequency, material composition, and relative permeability if your application demands high precision. Finally, click the submit button to immediately view your exact output metrics generated cleanly above the configuration parameters.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.