Power Generation Calculators

Professional-grade tools for engineers, contractors, and buyers. Free to use. No registration required.

Quickly convert between kVA (apparent power), kW (real power), and understand power factor in generators.

Estimate diesel consumption per hour and daily fuel costs for any generator at any load percentage.

Calculate total electrical load, starting surge requirements, and recommended generator size for your facility.

Calculate voltage drop over cable distance and determine the correct cable size for your installation.

Compare fuel efficiency and cost per kWh across different generator models and load levels.

Estimate CO₂, NOₓ, and particulate emissions based on generator runtime and fuel consumption.

Calculate total cost of ownership over your generator's lifetime — purchase, fuel, maintenance, and residual value.

Design parallel generator configurations for redundancy, load sharing, and scalable power.