Educational reference
Electrical Reference Tables
A crawlable index of the semantic reference table included with every PowerTotals calculator.
Each calculator includes a sourced or mathematically derived table beside its formula and worked example. Select a row to open the table in context.
| Calculator | Category | Reference table |
|---|---|---|
| Voltage Drop Calculator | Wire & voltage | AWG conductor resistance by material and temperature |
| Wire Size by Voltage Drop Calculator | Wire & voltage | AWG conductor resistance by material and temperature |
| AWG to mm² Calculator | Wire & voltage | AWG conductor resistance by material and temperature |
| Wire Resistance Calculator | Wire & voltage | AWG conductor resistance by material and temperature |
| Ohm's Law Calculator | Technical utilities | Electrical and resistor formula variants |
| Watts to Amps Calculator | Power & phase | Common-voltage watts and amps conversions |
| Amps to Watts Calculator | Power & phase | Common-voltage watts and amps conversions |
| kW to Amps Calculator | Power & phase | Common-voltage watts and amps conversions |
| kVA to Amps Calculator | Power & phase | Common-voltage watts and amps conversions |
| Single-Phase Power Calculator | Power & phase | DC, single-phase, and three-phase relationships |
| Three-Phase Power Calculator | Power & phase | DC, single-phase, and three-phase relationships |
| Power Factor Calculator | Power & phase | DC, single-phase, and three-phase relationships |
| Voltage Divider Calculator | Technical utilities | Electrical and resistor formula variants |
| Series & Parallel Resistor Calculator | Technical utilities | Electrical and resistor formula variants |
| Battery Runtime Calculator | Battery, energy & solar | Nominal appliance power planning values |
| Battery Bank Calculator | Battery, energy & solar | Nominal appliance power planning values |
| Inverter Size Calculator | Battery, energy & solar | Nominal appliance power planning values |
| Solar Cable Voltage Drop Calculator | Battery, energy & solar | AWG conductor resistance by material and temperature |
| Transformer kVA Calculator | Transformers & motors | Nominal kVA, voltage, and current examples |
| Transformer Turns Ratio Calculator | Transformers & motors | Nominal kVA, voltage, and current examples |
| Motor Current Estimator | Transformers & motors | Nominal kVA, voltage, and current examples |
| Generator Sizing & Load Calculator | Transformers & motors | Nominal kVA, voltage, and current examples |
| Conduit Fill Geometry Calculator | Technical utilities | Circle diameter and geometric area examples |
| LED Resistor Calculator | Technical utilities | Electrical and resistor formula variants |
| Electricity Cost Calculator | Battery, energy & solar | Energy and cost examples by kWh rate |
| Appliance Running Cost Calculator | Battery, energy & solar | Nominal appliance power planning values |
| kWh Calculator | Battery, energy & solar | Energy and cost examples by kWh rate |
| EV Charging Cost Calculator | Battery, energy & solar | Energy and cost examples by kWh rate |
| Energy Usage Calculator | Battery, energy & solar | Nominal appliance power planning values |