Reference boundary

Formula estimate only. It does not account for surge loads, voltage dip, or generator receptacle ratings.

Reference table

Convert single-phase generator kW to current at 120 V and 240 V.

Formula basis: single-phase amps = kW x 1000 / volts for unity power factor.
Generator kW120 V A240 V AUse
18.34.2Unity power-factor estimate
216.78.3Unity power-factor estimate
32512.5Unity power-factor estimate
541.720.8Unity power-factor estimate
7.562.531.3Unity power-factor estimate
1083.341.7Unity power-factor estimate
1210050Unity power-factor estimate
1512562.5Unity power-factor estimate
20166.783.3Unity power-factor estimate
25208.3104.2Unity power-factor estimate
Use notes
  • Use this table for preliminary reference and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.