Bedroom Lighting: Lumens & Fixture Count by Room Size

Deliberately the dimmest room in the house. Over-lighting a bedroom is the single most common mistake in a downlight retrofit.

Room size	Area	Total lumens	Fixtures	Grid
8 × 8 ft	64 sq ft	1,858 lm	2	1 × 2
8 × 10 ft	80 sq ft	2,323 lm	4	2 × 2
8 × 12 ft	96 sq ft	2,787 lm	4	2 × 2
9 × 9 ft	81 sq ft	2,352 lm	4	2 × 2
9 × 12 ft	108 sq ft	3,022 lm	4	2 × 2
10 × 10 ft	100 sq ft	2,841 lm	4	2 × 2
10 × 11 ft	110 sq ft	3,048 lm	4	2 × 2
10 × 12 ft	120 sq ft	3,251 lm	4	2 × 2
10 × 13 ft	130 sq ft	3,452 lm	4	2 × 2
10 × 14 ft	140 sq ft	3,652 lm	4	2 × 2
10 × 15 ft	150 sq ft	3,850 lm	6	3 × 2
10 × 16 ft	160 sq ft	4,046 lm	6	3 × 2
10 × 20 ft	200 sq ft	4,839 lm	6	3 × 2
11 × 11 ft	121 sq ft	3,263 lm	4	2 × 2
11 × 12 ft	132 sq ft	3,475 lm	4	2 × 2
11 × 13 ft	143 sq ft	3,685 lm	4	2 × 2
11 × 14 ft	154 sq ft	3,892 lm	4	2 × 2
12 × 12 ft	144 sq ft	3,696 lm	4	2 × 2
12 × 13 ft	156 sq ft	3,913 lm	4	2 × 2
12 × 14 ft	168 sq ft	4,131 lm	4	2 × 2
12 × 15 ft	180 sq ft	4,355 lm	6	3 × 2
12 × 16 ft	192 sq ft	4,577 lm	6	3 × 2
12 × 18 ft	216 sq ft	5,017 lm	6	3 × 2
12 × 20 ft	240 sq ft	5,452 lm	6	3 × 2
12 × 24 ft	288 sq ft	6,310 lm	8	4 × 2
13 × 13 ft	169 sq ft	4,143 lm	4	2 × 2
13 × 14 ft	182 sq ft	4,378 lm	4	2 × 2
13 × 15 ft	195 sq ft	4,611 lm	6	3 × 2
13 × 16 ft	208 sq ft	4,841 lm	6	3 × 2
14 × 14 ft	196 sq ft	4,622 lm	6	2 × 3
14 × 15 ft	210 sq ft	4,862 lm	6	2 × 3
14 × 16 ft	224 sq ft	5,101 lm	6	3 × 2
14 × 18 ft	252 sq ft	5,571 lm	6	3 × 2
14 × 20 ft	280 sq ft	6,068 lm	8	4 × 2
15 × 15 ft	225 sq ft	5,111 lm	6	2 × 3
15 × 16 ft	240 sq ft	5,356 lm	6	2 × 3
15 × 18 ft	270 sq ft	5,866 lm	9	3 × 3
15 × 20 ft	300 sq ft	6,401 lm	9	3 × 3
16 × 16 ft	256 sq ft	5,609 lm	9	3 × 3
16 × 18 ft	288 sq ft	6,173 lm	9	3 × 3
16 × 20 ft	320 sq ft	6,729 lm	9	3 × 3
16 × 22 ft	352 sq ft	7,279 lm	9	3 × 3
16 × 24 ft	384 sq ft	7,823 lm	12	4 × 3
17 × 17 ft	289 sq ft	6,186 lm	9	3 × 3
18 × 18 ft	324 sq ft	6,779 lm	9	3 × 3
18 × 20 ft	360 sq ft	7,375 lm	9	3 × 3
18 × 22 ft	396 sq ft	7,963 lm	9	3 × 3
18 × 24 ft	432 sq ft	8,565 lm	12	4 × 3
20 × 20 ft	400 sq ft	8,009 lm	9	3 × 3
20 × 22 ft	440 sq ft	8,667 lm	12	4 × 3
20 × 24 ft	480 sq ft	9,319 lm	12	4 × 3
20 × 30 ft	600 sq ft	11,238 lm	15	5 × 3
22 × 22 ft	484 sq ft	9,368 lm	12	3 × 4
22 × 24 ft	528 sq ft	10,059 lm	12	4 × 3
24 × 24 ft	576 sq ft	10,789 lm	16	4 × 4
24 × 30 ft	720 sq ft	13,064 lm	16	4 × 4
25 × 25 ft	625 sq ft	11,567 lm	16	4 × 4
26 × 26 ft	676 sq ft	12,363 lm	16	4 × 4
28 × 28 ft	784 sq ft	14,007 lm	20	4 × 5
30 × 30 ft	900 sq ft	15,717 lm	20	4 × 5

At 800 lumens per fixture, 8 ft ceiling.

Other room types

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

Bedroom lighting

Other room types

One family of free data tools

BurnLab

FuelFacts

FlyTime

WattCost

ReadLength

RunCost

CookClock

ThaliFacts

SehatCheck

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