This Resistor SMD code calculator will code and decode 4 code types:

Standard 3 digit code that can include:
- R to indicate a decimal point
- M to indicate a decimal point for milliohms (Current sensing SMDs)
- "underline" to indicate that the value is in milliohms (Current sensing SMDs)

Standard 4 digit code that can include “R” to indicate a decimal point.

EIA-96 1% code with a number in the range 01 to 96, followed by a letter

2, 5, and 10% code with a letter, followed by a numbers in the range 01 to 60