How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Magnetic field
1.25663706212e-6*i/(2*pi*r)Magnetic Field of a Straight Current-Carrying Wire Calculator
Infinitely long straight wire approximation in vacuum.
Infinitely long straight wire approximation in vacuum.
Result
Enter your values and run the tool to see your result.