Electrical calculations

Wire size
Calculation of voltage drop
Calculation of current
Calculation of voltage
Calculation of active power
Calculation of apparent power [PRO]
Calculation of reactive power [PRO]
Calculation of resistance
Capacitor for single-phase motor
Calculation rpm motor [PRO]

Motor efficiency [PRO]
Maximum torque [PRO]
Diagram three-phase motor
Code resistors 4 colors
Code resistors 6 colors [PRO]
Color code inductor [PRO]
Colors resistor from value
SMD resistor code [PRO]
Fuses [PRO]
Sum resistors
Sum capacitors [PRO]
Conversion Δ-Y [PRO]
Conversion HP/KW
Table AWG/mm²
Conversion of section
Conversion cm/inch
Conversion length [PRO]
Conversion voltage (Amplitude) [PRO]
Conversion sin/cos/tg/φ [PRO]
Conversion energy [PRO]
Conversion temperature [PRO]
Conversion pressure [PRO]
Conversion Ah / kWh [PRO]
Conversion Gauss / Tesla [PRO]
Conversion RPM - rad/s - m/s [PRO]
Reactance [PRO]
Resonant frequency [PRO]
Voltage divider [PRO]
Zener diode as voltage stabiliser [PRO]
Resistance to reduce voltage
Resistance for led
Power factor correction [PRO]
Power factor correction of small loads [PRO]
Power factor correction of transformer MV/LV [PRO]
Battery life [PRO]
Primary/Secondary winding of transformer
Short circuit current single-phase [PRO]
Short circuit current with transformer substation [PRO]
Current carrying capacity IEC [PRO]
Current carrying capacity NEC [PRO]
Conductor resistance [PRO]
Table of resistivity [PRO]
IP/IK/NEMA protection classes
Antenna length [PRO]
Electrical symbols
Electricity around the world
Joule Effect [PRO]
Wiring color codes
SI Prefix
Unit of measurement
Fault current of strings [PRO]
Ethernet wiring (RJ-45) [PRO]
RJ-11,14,25,48 [PRO]
Pinout Scart [PRO]
Pinout USB [PRO]
Pinout HDMI [PRO]
Pinout VGA [PRO]
Pinout DVI [PRO]
Pinout RS-232 [PRO]
Pinout molex [PRO]
Pinout Sata [PRO]
Pinout led [PRO]
Pinout Raspberry PI [PRO]
Pinout ISO 10487 (Car audio) [PRO]
Pinout XLR (Audio/DMX) [PRO]

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