140 Tools16 Categories<50ms Latency
Awaiting inputs
Enter parameters to see results
- Marine Trolling Motor Run…Continuous amp draw vs. bank Ah for trolling and house loads.
- Portable Power Station Re…Compare wall AC, car 12V, and solar MPPT hours to refill Wh capacity.
- 12V to 120V Inverter Load…Check continuous and surge loads against inverter ratings.
- 12V Camping Fridge RuntimeAmbient temperature effect on compressor duty cycle and battery days.
- Solar Panel Roof SpaceEstimate how many panels fit on your roof and total system size in kW—updates live.
- Solar Battery Bank SizeSize an off-grid battery bank from daily use and backup days.
- Battery Bank Size (Ah)Size a battery bank in amp-hours from load, runtime, and voltage.
- Ah to Wh ConverterConvert amp-hours to watt-hours using battery voltage.
- Wh to Ah ConverterConvert watt-hours to amp-hours using system voltage.
- kVA to kW ConverterConvert apparent power (kVA) to real power (kW) using power factor.
- Conductor Resistance & Te…Calculate copper or aluminum conductor resistance from cross-section, length, and operating temperature.
- Reactive Power & Power Fa…Convert kVA to real kW and reactive kVAR for motor and driver loads—plan inverter and conductor sizing.