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