Resistor Color Code Calculator
The resistance value, tolerance and range are calculated according to the four-color ring or five-color ring.
Resistor Color Code Calculator User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- The brown, black, red and gold four-color ring corresponds to 1,000 ohm and an error of 5%.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
The first two or three rings represent significant numbers, followed by magnification and error loops.
scope of use
Please determine the reading direction first; the temperature coefficient of the six rings is not supported, and the actual measurement cannot be replaced.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Please determine the reading direction first; the temperature coefficient of the six rings is not supported, and the actual measurement cannot be replaced. Please compare the input unit, rounding method, applicable rules and data version first.