LOAD CALCULATOR FOR COMMERCIAL LOAD ASSESMENTS
Commercial Electrical Load & Motor Calculator
Fast field estimates with a crisp monospace UI. Mobile‑first. Local auto‑save.
v2.0
General Loads
Motors
Summary
Notes
Enter non‑motor loads. Continuous loads are multiplied by 125%. Choose whether you’re entering in kVA, kW, or VA above.
Description
Qty
Value
Type
Largest motor is automatically taken at 125%. Others at 100%. Motor input kVA uses HP, PF, η. Verify final sizing with NEC 430 tables.
Motor
Qty
HP
PF / η
Adjusted Non‑Motor Load
0kVA
Adjusted Motor Load
0kVA
Total Apparent Load
0kVA
System Voltage
480V
Estimated Full‑Load Current
0A
System
3‑phase
Notes
This tool provides fast, commercial‑grade estimates. For permitting and final equipment selection, confirm per NEC, manufacturer data, and stamped engineering where applicable.
Keyboard tips: Tab to move • Shift+Enter to add a row • Data persists locally • Works offline after first load.