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 them in mind when you are developing a plan.

The standard sizes of different rooms are given below

Foyer:
SizeDimensions (in ft)Dimensions (in m)
Small 6 x 61.83 × 1.83
Medium8 x 102.44 × 3.05
Large8 x 152.44 × 4.57

Entry Closets (24″ minimum inside dimensions):

SizeDimensions (in ft)Dimensions (in m)
Small2 × 30.61 × 0.91
Medium2 × 40.61 ×1.22
Large2 × 60.61 × 1.83

Powder Room:

SizeDimensions (in ft)Dimensions (in m)
Small4 × 41.22 × 1.22
Medium5 × 51.52 × 1.52
Large6 × 61.83 × 1.83

Great Room:

SizeDimensions (in ft)Dimensions (in m)
Small16 × 184.88 × 5.49
Medium18 × 245.49 × 7.32
Large20 × 286.1 × 8.53

Living Room:

SizeDimensions (in ft)Dimensions (in m)
Small12 × 183.66 × 5.49
Medium16 × 204.88 × 6.1
Large22 × 286.71 × 8.53


Dining Room:

SizeDimensions (in ft)Dimensions (in m)
Small10 × 12 3.04 x 3.65
Medium12 × 16 3.65 x 4.87
Large 14 x 18 4.26 x 5.49

Family Room:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

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

Rear Entry Closets (24″ minimum inside dimensions):

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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):

SizeDimensions (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:

SizeDimensions (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):

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (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):

SizeDimensions (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:

SizeDimensions (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:

SizeDimensions (in ft)Dimensions (in m)
Small10 x 10 3.04 x 3.04
Medium12 x 12 3.65 x 3.65
Large14 x 16 4.27 x 4.87


Library:

SizeDimensions (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

Click Here To See Standard Furniture Dimensions And Layout Guidelines

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