Online calculator for calculating the cable cross-section

   By using this online calculator cable section, you will be able to easily calculate the cable size or wire that you need for installation. Input format in the cable calculator - x.xx (delimiter - point)

Calculation of power and current cable cross-section

The length of the line (m) / Cable material:

Load power (W) or current (A):

Mains voltage (V):


1 phase

Power factor (cosφ):


phase 3

Possible voltage drop (%):

Cable temperature (°C):

Cabling method:

Сable cross-section of not less than (mm²):

Current density (A/mm²):

Resistance wire (ohm):

The voltage across the load (V):

Voltage losses (V / %):