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PoE Budget Calculator

Enter budget >0 to 1,000,000 W, reserve 0–99%, and 1–256 nonnegative device loads up to 1,000,000 W each. Effective budget=B×(1−r/100). Remaining=budget−sum(loads). Use loads measured at the same power boundary as the budget; add cable losses yourself. No PoE class values or hardware compatibility are inferred.

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Enter budget >0 to 1,000,000 W, reserve 0–99%, and 1–256 nonnegative device loads up to 1,000,000 W each. Effective budget=B×(1−r/100). Remaining=budget−sum(loads). Use loads measured at the same power boundary as the budget; add cable losses yourself. No PoE class values or hardware compatibility are inferred.

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How to use this tool

  1. Enter budget >0 to 1,000,000 W, reserve 0–99%, and 1–256 nonnegative device loads up to 1,000,000 W each. Effective budget=B×(1−r/100). Remaining=budget−sum(loads). Use loads measured at the same power boundary as the budget; add cable losses yourself. No PoE class values or hardware compatibility are inferred.
  2. Calculate

PoE Budget Calculator

Enter budget >0 to 1,000,000 W, reserve 0–99%, and 1–256 nonnegative device loads up to 1,000,000 W each. Effective budget=B×(1−r/100). Remaining=budget−sum(loads). Use loads measured at the same power boundary as the budget; add cable losses yourself. No PoE class values or hardware compatibility are inferred.

Inputs stay in this browser; nothing is sent.

Inputs stay in this browser; nothing is sent.

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Common questions

PoE Budget Calculator

Enter budget >0 to 1,000,000 W, reserve 0–99%, and 1–256 nonnegative device loads up to 1,000,000 W each. Effective budget=B×(1−r/100). Remaining=budget−sum(loads). Use loads measured at the same power boundary as the budget; add cable losses yourself. No PoE class values or hardware compatibility are inferred.