AC/DC Power Calculator
Unit Converters
Capacitance Converter (pF/nF/µF)
Inductance Converter (µH/mH/H)
Distance Converter (in/ft/yd/mile)
Temperature Converter (°C/°F/K)
Conductance Converter (S/mS/µS)
Liquid Converter (oz/ml/liter/quart)
Renewable Energy Calculators
Solar Power Output Calculator
Solar Battery Storage Calculator
Sunlight Hours to Energy Calculator
Charge Controller Sizing Calculator
Renewable Energy Savings Calculator
Heat Pump Efficiency Calculator
Green Energy Investment Calculator
Motor And Mechanical Tools
RPM Calculator (Speed & Gear)
Motor Current Calculator (1Ø & 3Ø)
Motor Efficiency Calculator
Gear Ratio Calculator
Pulley Size Calculator
Electric Motor Efficiency Calculator
Mechanical Power Calculator (HP/kW)
Battery & Energy Calculators
Battery Life Calculator (Ah to Hours)
Battery Charging Time Calculator
Solar Panel Calculator (Watts to Amps)
Energy Consumption Calculator (kWh)
Battery Capacity Calculator (mAh to Wh)
Solar Battery Sizing Calculator
Inverter Battery Backup Time Calculator
Thermal & Heat Management Calculators
Heat Sink Size Calculator
Thermal Resistance Calculator
PCB Trace Width Calculator (Current Carrying Capacity)
Wire Gauge Calculator
Joule Heating Calculator
Signal & Communication Calculators
Frequency to Wavelength Calculator
Antenna Length Calculator
dBm to Watts Calculator
Bandwidth Calculator
Modulation Index Calculator
Impedance Matching Calculator
DIY Projects & Hobbyist Calculators
Resistor Color Code Calculator
Capacitor Code Calculator
Inductor Color Code Calculator
PCB Trace Width Calculator
Wire Gauge Calculator
Voltage Regulator Calculator
LED Series/Parallel Calculator