Syed Waleed
Electronics & Energy Tools
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Electronics & Energy
Appliance Energy Cost Calculator
Estimate electricity use from watts, daily hours and your tariff.
Electronics & EnergyBattery Runtime Estimator
Estimate runtime using battery capacity, load and usable-energy assumptions.
Electronics & EnergyDC Wire Voltage Drop Calculator
Estimate resistive drop for a two-wire copper DC circuit.
Electronics & EnergyGear Ratio and RPM Calculator
Calculate output speed and ideal torque ratio for a gear pair.
Electronics & EnergyIdeal Transformer Ratio Calculator
Relate primary and secondary turns and voltage.
Electronics & EnergyLED Resistor Calculator
Estimate the resistor and dissipation for one low-voltage LED.
Electronics & EnergyParallel Resistor Calculator
Combine resistors in parallel and compare series resistance.
Electronics & EnergyRC Time Constant Calculator
Estimate charging and discharging times for an ideal RC circuit.
Electronics & EnergySeries Capacitor Calculator
Combine capacitors in series and parallel.
Electronics & EnergyVoltage Divider Calculator
Calculate the unloaded output of two series resistors.