Basement Lighting: Lumens & Fixture Count by Room Size

With no daylight contribution and often dark surfaces, basements usually need more fixtures than the raw calculation suggests.

Room size	Area	Total lumens	Fixtures	Grid
8 × 8 ft	64 sq ft	2,787 lm	4	2 × 2
8 × 10 ft	80 sq ft	3,484 lm	4	2 × 2
8 × 12 ft	96 sq ft	4,181 lm	6	3 × 2
9 × 9 ft	81 sq ft	3,527 lm	4	2 × 2
9 × 12 ft	108 sq ft	4,533 lm	6	3 × 2
10 × 10 ft	100 sq ft	4,262 lm	4	2 × 2
10 × 11 ft	110 sq ft	4,571 lm	6	3 × 2
10 × 12 ft	120 sq ft	4,877 lm	6	3 × 2
10 × 13 ft	130 sq ft	5,179 lm	6	3 × 2
10 × 14 ft	140 sq ft	5,478 lm	6	3 × 2
10 × 15 ft	150 sq ft	5,774 lm	6	3 × 2
10 × 16 ft	160 sq ft	6,069 lm	8	4 × 2
10 × 20 ft	200 sq ft	7,258 lm	8	4 × 2
11 × 11 ft	121 sq ft	4,895 lm	6	2 × 3
11 × 12 ft	132 sq ft	5,213 lm	6	3 × 2
11 × 13 ft	143 sq ft	5,527 lm	6	3 × 2
11 × 14 ft	154 sq ft	5,838 lm	6	3 × 2
12 × 12 ft	144 sq ft	5,543 lm	9	3 × 3
12 × 13 ft	156 sq ft	5,869 lm	9	3 × 3
12 × 14 ft	168 sq ft	6,196 lm	9	3 × 3
12 × 15 ft	180 sq ft	6,532 lm	9	3 × 3
12 × 16 ft	192 sq ft	6,866 lm	9	3 × 3
12 × 18 ft	216 sq ft	7,525 lm	9	3 × 3
12 × 20 ft	240 sq ft	8,177 lm	12	4 × 3
12 × 24 ft	288 sq ft	9,466 lm	12	4 × 3
13 × 13 ft	169 sq ft	6,214 lm	9	3 × 3
13 × 14 ft	182 sq ft	6,567 lm	9	3 × 3
13 × 15 ft	195 sq ft	6,916 lm	9	3 × 3
13 × 16 ft	208 sq ft	7,261 lm	9	3 × 3
14 × 14 ft	196 sq ft	6,932 lm	9	3 × 3
14 × 15 ft	210 sq ft	7,293 lm	9	3 × 3
14 × 16 ft	224 sq ft	7,651 lm	9	3 × 3
14 × 18 ft	252 sq ft	8,356 lm	12	4 × 3
14 × 20 ft	280 sq ft	9,102 lm	12	4 × 3
15 × 15 ft	225 sq ft	7,666 lm	9	3 × 3
15 × 16 ft	240 sq ft	8,035 lm	9	3 × 3
15 × 18 ft	270 sq ft	8,799 lm	12	4 × 3
15 × 20 ft	300 sq ft	9,601 lm	12	4 × 3
16 × 16 ft	256 sq ft	8,414 lm	12	3 × 4
16 × 18 ft	288 sq ft	9,260 lm	12	4 × 3
16 × 20 ft	320 sq ft	10,094 lm	12	4 × 3
16 × 22 ft	352 sq ft	10,919 lm	15	5 × 3
16 × 24 ft	384 sq ft	11,735 lm	15	5 × 3
17 × 17 ft	289 sq ft	9,280 lm	12	3 × 4
18 × 18 ft	324 sq ft	10,169 lm	12	3 × 4
18 × 20 ft	360 sq ft	11,063 lm	16	4 × 4
18 × 22 ft	396 sq ft	11,945 lm	16	4 × 4
18 × 24 ft	432 sq ft	12,848 lm	16	4 × 4
20 × 20 ft	400 sq ft	12,013 lm	16	4 × 4
20 × 22 ft	440 sq ft	13,001 lm	16	4 × 4
20 × 24 ft	480 sq ft	13,978 lm	20	5 × 4
20 × 30 ft	600 sq ft	16,857 lm	24	6 × 4
22 × 22 ft	484 sq ft	14,052 lm	20	4 × 5
22 × 24 ft	528 sq ft	15,088 lm	20	5 × 4
24 × 24 ft	576 sq ft	16,183 lm	20	4 × 5
24 × 30 ft	720 sq ft	19,597 lm	24	6 × 4
25 × 25 ft	625 sq ft	17,350 lm	25	5 × 5
26 × 26 ft	676 sq ft	18,544 lm	25	5 × 5
28 × 28 ft	784 sq ft	21,010 lm	25	5 × 5
30 × 30 ft	900 sq ft	23,575 lm	30	5 × 6

At 800 lumens per fixture, 8 ft ceiling.

Other room types

Kitchen 300–500 lxLiving room 150–300 lxBedroom 100–200 lxBathroom 200–300 lxHome office 400–500 lxDining room 150–300 lxGarage 150–300 lxHallway 100–200 lxLaundry 200–300 lxWorkshop 500–750 lxNursery 100–200 lx

Basement lighting

Other room types

One family of free data tools

BurnLab

FuelFacts

FlyTime

WattCost

ReadLength

RunCost

CookClock

ThaliFacts

SehatCheck

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