LED Calculator

This page helps you calculate the current-limiting resistor to use when powering light emitting diodes (LEDs).

This page requires JavaScript 1.1 or newer.

----------
  • Calculator For LEDs In Series

  • Related Pages
    ---------- 
     

    Calculator For LEDs In Series

    Please fill in the following values and then press "CALCULATE".
    battery voltage Volts
    LED voltage drop Volts
    LED forward current mA
    number of LEDs in series LEDs
    Requires JavaScript 1.1 or newer. 
     

    Related Pages

    You may be interested in these related pages:

    ----------

    Thank you for visiting. Your comments are welcome.
    [back] . . . [paper and pen] . . . [tip jar]

    ©Copyright 2002-2005 by The Wolfstone Group. All rights reserved. You must read and abide by our terms of service.