Ohm's Law Calculator
Input two independent electrical parameters to calculate voltage, current, resistance and power.
Ohm's Law Calculator User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- The voltage is 12 volts, the resistance is 6 ohms, the current is 2 amps, and the power is 24 watts.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
According to v=Ir and p=vi, solve according to the selected combination of known amounts.
scope of use
It is only used for ideal DC pure resistance learning calculation, not for mains wiring or electrical safety design.
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?
It is only used for ideal DC pure resistance learning calculation, not for mains wiring or electrical safety design. Please compare the input unit, rounding method, applicable rules and data version first.