Capacitance of Toroid:

Units:
Inches
Millimeters

D1 :
D2 :

*Move (TAB) to next field to update result

C = :pF

The capacitance of a torus-shaped topload can be determined by entering its dimensions in the boxes above.

Moving between the boxes by clicking or using the 'TAB' button on your keyboard, will update the result.