Transformer Calculator Designed by Er. Ajay Kumar

Single-phase or three-phase, select input/output voltages, capacity, PF, efficiency. Recommended connection is auto-selected and diagram is shown.

Type

Primary (Input) Connection

Connection: -

Secondary (Output) Connection

Connection: -

Input Voltage

Output Voltage

Standard Capacity (kVA)

Or Custom Capacity

kVA takes precedence if both provided

Power Factor (0–1)

Efficiency (%) — optional

No calculation yet.