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Lumens to Millicandela Calculator — ChiefEngineer.in

Convert lumens to millicandela for a specified beam angle.

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Formula

Imcd = 1000 × Φv / Ω

Variables

  • Φv — flux (lm)
  • Ω — solid angle (sr)
  • Imcd — intensity (mcd)

Worked Example

Input: 1000 lm, 120° beam

Result: ≈ 318310 mcd

Assumptions & Notes

Requires beam angle and uniform emission assumption.

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