Industrial Electrical & Automation Calculators

Ohm's Law Calculator

Calculate voltage, current, resistance and power instantly.

Calculadora de divisor de voltaje

Determine output voltage for resistor divider networks.

Current Divider Calculator

Calculate current distribution in parallel branches.

Battery Life Calculator

Estimate battery runtime from load current and capacity.

Calculadora de calibre de cable

Calculate proper wire size for industrial power distribution and motor wiring applications.

Capacitance Conversion

Convert between pF, nF and µF units.

Parallel and Series Resistor Calculator

Calculate equivalent resistance for resistor networks.

SMD Capacitor Code Calculator

Decode SMD capacitor markings into capacitance.

SMD Resistor Code Calculator

Decode SMD resistor markings into ohms.

Resistor Color Code Calculator

Decode resistor color bands into resistance values.

Capacitor Safety Discharge Calculator

Estimate safe discharge time and resistor values.

555 Timer Calculator

Design astable and monostable 555 timer circuits.

Time Constant Calculator

Calculate RC and RL time constants and response curves.

Reflection Attenuator Calculator

Analyze attenuation using controlled mismatch.

Bridged-Tee Attenuator Calculator

Design constant-impedance bridged-T attenuators.

Tee Attenuator Calculator

Calculate resistor values for T attenuator networks.

dBm to Watts Conversion

Convert RF power between dBm and watts.

Pi Attenuator Calculator

Design fixed π attenuators for matched systems.

Low Pass/High Pass Filter Calculator

Design simple RC filters and cutoff frequency.

Reactance Calculator

Calculate capacitive and inductive reactance vs frequency.

Temperature Conversion

Convert between °C, °F, K and °R instantly.