Electronics & automation
Resistor calculator online
Choose the nearest standard value or compute the equivalent of several resistors in automation and electronics circuits.
Resistor calculator
Decode 4-band and SMD resistors, plus basic Ohm's law with power calculation.
Nominal value
1 kΩ
Tolerance
±5%
Limits
950 Ω ... 1.05 kΩ
Frequently asked questions
What are E12 and E24 resistor series?
E12 and E24 are standard preferred-value series. The calculator finds the nearest catalog value for your target resistance.