ClueLuma

Area and spacing per fixture calculator

The case estimates spacing from square root of area per fixture.

Units
S=AtotalNnewS = \sqrt{\frac{A_{\text{total}}}{N_{\text{new}}}}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

ft²
count
ft

Worked example

Given

  • AtotalA_{\text{total}} = 18,000 ft²
  • NnewN_{\text{new}} = 72 count
S=18,00072≈15.811S = \sqrt{\frac{18{,}000}{72}} \approx 15.811

Symbols and units

SymbolMeaningUnit
SSsquare-grid spacingft
AtotalA_{\text{total}}total floor areaft²
NnewN_{\text{new}}fixture countcount

Related calculators

Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.