SMD Resistor Code Calculator

Decode a 3-digit SMD resistor marking to find resistance.

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Resistance

4,700 Ω

Resistance (k)4.700 kΩ

Resistance vs First Digit

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SMD Resistor Code

3-Digit Format: XYZ

  • X = first digit
  • Y = second digit
  • Z = number of zeros

    • Example: 472 = 47 x 10^2 = 4700 ohms

    Example Calculation

    SMD code 472.

    1. 01Base = 47
    2. 02Multiplier = 100
    3. 03Resistance = 4700 ohms = 4.7k

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