Online calculation of resistance, current and volt
formula:
resistance（R）= V÷A
Current（A）= V÷R
Voltage（V）= R×A
Note: Resistance refers to pure DC resistance. This calculator cannot calculate the resistance and results of inductive loads such as motors and transformers
Calculate resistance R
Voltage
V ÷ Current
A
recovery
calculate
resistance
Ω
Calculate current I
Voltage
V ÷ resistance
Ω
recovery
calculate
Current
A
Calculate voltage V
resistance
Ω × Current
A
recovery
calculate
Voltage
V
