Energy and installations calculators
Explore battery runtime, electricity use, power, filling and tank volumes.
Calculators in this category
- Battery Runtime CalculatorEstimate battery runtime from volts and amp-hours or watt-hours. Adjust usable capacity and efficiency, then compare two constant power loads.Open calculator
- Battery Charging Time CalculatorEstimate battery charging time from capacity, starting and target charge, charging power and efficiency using a constant-power energy model.Open calculator
- Tank Filling Time CalculatorEstimate how long a container takes to fill from the volume still needed and a constant flow rate. Convert litres and litres per minute into time.Open calculator
- Appliance Electricity Cost CalculatorEstimate appliance energy use and cost during operation and standby from wattage, daily hours, quantity, days and your electricity tariff.Open calculator
- Resistive Voltage Drop CalculatorEstimate resistive voltage drop from cable length, current, cross-section and resistivity. An approximate calculation, not a cable-sizing certificate.Open calculator
- Three-Phase Power CalculatorCalculate apparent and active power for a balanced three-phase system from line-to-line voltage, line current and power factor.Open calculator
- Cylindrical Tank Volume CalculatorCalculate capacity and liquid volume for a vertical or horizontal cylindrical tank from internal diameter, axis length and fill level.Open calculator