LM317 Output Voltage

Calculate LM317 Output Voltage instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

LM317 Output Voltage

R1, Ω
R2, Ω
Vout
5V
Calculate LM317 Output Voltage instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

More about: LM317 Output Voltage

What it calculates

The “LM317 Output Voltage” calculator computes Vout in V from 2 parameters: r1, ω, r2, ω.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters R1, Ω = 240, R2, Ω = 720 the result is 5 V.

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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