Electrical Engineering Calculators
Quick calculators for field engineers
Free, client-side tools to help engineers, electricians, and facility staff check transformer current and kVA sizing on the fly.
Calculator
Transformer Current / kVA
Result
Enter values above
—
Formula: I = kVA × 1000 / (√3 × V)
Engineering Notice
This calculator is an educational tool. It does not replace PE-sealed engineering design, code review, or protective device coordination. Final equipment selection and protection settings must be reviewed and sealed by a licensed Professional Engineer.
Coming Soon
Circuit Pilot Professional App
Comprehensive electrical engineering toolkit — short-circuit, voltage drop, arc flash pre-screening, raceway fill, and more. Launching soon.
Need More Than a Calculator?
Get PE-sealed engineering
AES delivers PE-sealed studies, coordination, arc flash, and compliance packages across 15 states.
Request Engineering Services