Engineering & Energy Calculators

Estimate annual electricity power consumption costs for home appliances.

Estimate annual household CO2 emissions and environmental footprint.

Calculate Voltage (V), Current (I), Resistance (R), and Power (W).

Calculate electrical power (P=VI), current, voltage, and circuit resistance.

Estimate daily, monthly, and annual electricity cost based on wattage and kWh rate.

Calculate battery discharge runtime in hours based on capacity (Ah), voltage, and load.