Plan development is very important because every house has it unique plan according to their dimensions. For perfect plan development, you must know the Standard room sizes. means if you have a big space then go for large standard sizes. if your space was small then go for a small standard size. so note all these dimensions and keep in mind when you are developing a plan.

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The standard sizes of different rooms are given below

Foyer:
Size Dimensions (in ft) Dimensions (in m)
Small  6 x 6 1.83 × 1.83
Medium 8 x 10 2.44 × 3.05
Large 8 x 15 2.44 × 4.57

Entry Closets (24″ minimum inside dimensions):

Size Dimensions (in ft) Dimensions (in m)
Small 2 × 3 0.61 × 0.91
Medium 2 × 4 0.61 ×1.22
Large 2 × 6 0.61 × 1.83

Powder Room:

Size Dimensions (in ft) Dimensions (in m)
Small 4 × 4 1.22 × 1.22
Medium 5 × 5 1.52 × 1.52
Large 6 × 6 1.83 × 1.83

Great Room:

Size Dimensions (in ft) Dimensions (in m)
Small 16 × 18 4.88 × 5.49
Medium 18 × 24 5.49 × 7.32
Large 20 × 28 6.1 × 8.53

Living Room:

Size Dimensions (in ft) Dimensions (in m)
Small 12 × 18 3.66 × 5.49
Medium 16 × 20 4.88 × 6.1
Large 22 × 28 6.71 × 8.53


Dining Room:

Size Dimensions (in ft) Dimensions (in m)
Small 10 × 12  3.04 x 3.65
Medium 12 × 16  3.65 x 4.87
Large  14 x 18  4.26 x 5.49

Family Room:

Size Dimensions (in ft) Dimensions (in m)
Small  12 x 16  3.65 x 4.87
Medium  14 x 20  4.26 x  6.09
Large  16 x 24  4.87 x 7.31

Recreation Room:

Size Dimensions (in ft) Dimensions (in m)
Small  12 x 18  3.65 x 5.48
Medium  16 x 24  4.87 x 7.31
Large  18 x 30  5.48 x 9.14

Media Room:

Size Dimensions (in ft) Dimensions (in m)
Small  10 x 14  3.04 x 4.26
Medium  12 x 16  3.65 x 4.87
Large  14 x 20  4.26 x  6.09

Kitchen:

Size Dimensions (in ft) Dimensions (in m)
Small  5 x 10  1.52 x 3.04
Medium  10 x 16  3.04 x 4.87
Large  12 x 20  3.65 x 6.09

Eating Area:

Size Dimensions (in ft) Dimensions (in m)
Small  10 x 10  3.04 x 3.04
Medium  12 x 12  3.65 x 3.65
Large  16 x 16  4.87 x 4.87

Pantry:

Size Dimensions (in ft) Dimensions (in m)
Small  2 x 2  0.61 x 0.61
Medium  3 x 4  0.91 x 1.22
Large  4 x 6  1.22 x 2.28

Laundry:

Size Dimensions (in ft) Dimensions (in m)
Small  3 x 6  0.91 x 2.28
Medium  6 x 8  2.28 x 2.44
Large  8 x 10  2.44 x 3.04

Utility/Mud Room:

Size Dimensions (in ft) Dimensions (in m)
Small  5 x 6
Medium  6 x 8
Large  8 x 10

Rear Entry Closets (24″ minimum inside dimensions):

Size Dimensions (in ft) Dimensions (in m)
Small  2 x 3  0.61 x 0.91
Medium  2 x 4  0.61 x 1.22
Large  3 x 6  0.91 x 2.28

Garage:

Size Dimensions (in ft) Dimensions (in m)
Small  12 x 20 (1 car)  3.65 x 6.09
Medium  20 x 20 (2 car)  6.0009 x 6.09
Large  24 x 24 (2 car w/storage)  7.31 x 7.31

Workshop:

Size Dimensions (in ft) Dimensions (in m)
Small  6 x 8  2.28 x 2.44
Medium  8 x 10   2.44 x 3.04
Large  12 x 16  3.65 x 4.87

Storage Room:

Size Dimensions (in ft) Dimensions (in m)
Small  6 x 6  2.28 x 2.28
Medium  8 x 10  2.44 x 3.04
Large   12 x 14  3.65 x 4.26

Home Office/ Work Room:

Size Dimensions (in ft) Dimensions (in m)
Small  8 x 10  2.44 x 3.04
Medium  12 x 14  3.65 x 4.26
Large  14 x 18  4.26 x 5.48


Master Bedroom:

Size Dimensions (in ft) Dimensions (in m)
Small  12 x 14  3.65 x 4.26
Medium  14 x 20  4.26 x 6.10
Large  16 x 24  4.87 x 7.31

Walk-In Closets:

Size Dimensions (in ft) Dimensions (in m)
Small  4 x 6  1.22 x 1.83
Medium  6 x 6  1.83 x 1.83
Large  6 x 8  1.83 x 2.44

Master Bathroom:

Size Dimensions (in ft) Dimensions (in m)
Small  6 x 9  1.83 x 2.74
Medium  8 x 12  2.44 x 3.65
Large  10 x 16  3.04 x 4.87

Bedroom:

Size Dimensions (in ft) Dimensions (in m)
Small  10 x 10  3.04 x 3.04
Medium  12 x 12  3.65 x 3.65
Large  14 x 16  4.26 x 4.87

Closets (24″ min inside dim):

Size Dimensions (in ft) Dimensions (in m)
Small  2 x 4  0.61 x 1.21
Medium  2 x 6  0.61 x 1.82
Large  2 x 8  0.61 x 2.44

Guest Bedroom:

Size Dimensions (in ft) Dimensions (in m)
Small  10 x 12  3.04 x 3.65
Medium  12 x 14  3.65 x 4.27
Large  14 x 18  4.27 x 5.49

Guest Closets (24″ min inside dim):

Size Dimensions (in ft) Dimensions (in m)
Small  2 x 3  0.61 x 0.91
Medium  2 x 4  0.61 x 1.22
Large  2 x 6  0.61 x 1.83

Full Bath:

Size Dimensions (in ft) Dimensions (in m)
Small  6 x 9  1.83 x 2.74
Medium  7 x 10  2.13 x 3.04
Large  8 x 12  2.44 x 3.65

Guest Bathroom:

Size Dimensions (in ft) Dimensions (in m)
Small   5 x 9  1.52 x 2.74
Medium  6 x 10  1.83 x 3.04
Large  7 x 12  2.14 x 3.65

Linen Closets (12″ min inside dim):

Size Dimensions (in ft) Dimensions (in m)
Small  1 x 3  0.30 x 0.91
Medium  2 x 4  0.61 x 1.22
Large  3 x 6  0.91 x 1.83

Den:

Size Dimensions (in ft) Dimensions (in m)
Small  5 x 6  1.52 x 1.83
Medium  6 x 8  1.83 x 2.44
Large  8 x 10  2.44 x 3.04

Study:

Size Dimensions (in ft) Dimensions (in m)
Small 10 x 10  3.04 x 3.04
Medium 12 x 12  3.65 x 3.65
Large 14 x 16  4.27 x 4.87


Library:

Size Dimensions (in ft) Dimensions (in m)
Small  12 x 12  3.65 x 3.65
Medium  14 x 18  4.27 x 5.48
Large  16 x 20  4.87 x 6.10

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