Online Conversion Calculators
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Digi-Key's online conversion calculators offer a one-stop resource for many electronics industry calculations. Whether you are identifying a 4 band resistor or trying to determine battery life, Digi-Key can help you get the answers you need. Use Digi-Key's calculators as a quick and easy-to-use resource and don't forget to bookmark the page for future use.

LED Series Resistor Calculator

Calculators Included:

  1. Celsius Fahrenheit Conversion
  2. Decimal Fraction Conversion
  3. Weight Conversion
  4. Length Conversion
  5. Pressure Conversion
  6. Volume Conversion
  7. Ohm's Law Calculator
  8. Time Constant Calculator
  9. dBm to Watts Calculator
  10. Resistor Color Code Calculator
  11. Battery Life Calculator
  12. LED Series Resistor Calculator
  13. BTU/Joules Converter

Where to find it:

The calculators can be found three different ways on our current US site.

  1. Homepage via the Direct Link
  2. Homepage

  3. Digi-Key Academic Program
  4. Academic Program

  5. Site Map under the Site Tools category
  6. Site Map