In many residential buildings, rooms come in standard sizes. Most of these buildings have the same basic rooms, a living room, kitchen, Master bedroom, other bedrooms, bathrooms, guest rooms, laundry rooms, storage rooms, and garage.

While still in the process of planning to build a house, you must determine the standard room sizes for all the rooms in the house. Some standard room dimensions in feet and meters are as follows:

## Master Bedroom Sizes

A large Master bedroom is 16 by 24 ft or 4.87 by 7.31 meters. A medium-size Master bedroom is 14 by 20 feet or 4.26 by 6.10 meters, and a small master bedroom is 12 by 14 feet or 3.65 by 4.26.

### Walk-in Closet Sizes

A large walk-in closet is typically 6 by 8 feet; thatâ€™s 1.83 by 2.44 meters. A medium-sized closet is 6 by 6 inches, that’s 1.83 by 1.83 meters, and a small walk-in closet is 4 by 6 feet, which’s 1.22 by 1.83 meters.

### Master Bathroom Sizes

The size of a big Master bathroom is 10 by 16 feet, which’s 3.04 by 4.87 meters. A medium-sized one measures 8 by 12 feet or 2.44 by 3.65 meters; a small closet measures 6 by 9 feet or 1.83 by 2.74 meters.

## Average Bedroom Sizes

The size of a typical large bedroom is 14 by 16 feet or 4.26 by 4.87 meters. A medium-sized bedroom is 12 by 12 feet or 3.65 by 3.65 meters, and a small bedroom measures 10 by 10 feet or 3.04 by 3.04 meters.

### Guest Bedroom

The size of a standard large guest bedroom is 14 by 18 feet or 4.27 by 5.49 meters. A medium-sized guest bedroom measures 12 by 14 feet or 3.65 by 4.27 meters, and a small guest bedroom measures 10 by 12 feet or 3.04 by 3.65 meters.

## Standard Room Sizes for a Full Bath

A large room for a full bath measures 8 by 12 feet or 2.44 by 3.65 meters. A medium-sized one measures 7 by 10 feet or 2.13 by 3.04 meters, and a small full bathroom measures 6 by 9 feet or 1.83 by 2.74 meters.

### Guest Bathroom Sizes

A large guest bathroom typically measures 7 by 12 feet or 2.14 by 3.65 meters. A medium-sized guest bathroom is typically 6 by 10 feet, or 1.83 by 3.04 meters, and a small guest bathroom measures 5 by 9 feet or 1.52 by 2.74 meters.

## Study Room and Library Sizes

A standard small study room measures 10 by 10 feet or 3.04 by 3.04 meters. A medium-sized one measures 12 by 12 or 3.65 by 3.65 meters, and a large study room measures 14 by 16 feet or 4.27 by 4.87.

Likewise, a small library measures 12 by 12 feet or 3.65 by 3.65 meters. A medium library measures 14 by 18 feet or 4.27 by 5.48 meters, and a large one measures 16 by 20 feet or 4.87 by 6.10 meters.

## Foyer Sizes

A large foyer typically measures 8 by 15 feet or 2.44 by 4.57 meters. A medium-sized foyer measures 8 by 10 feet or 2.44 by 3.05 meters, and a small one measures 6 by 6 feet or 1.83 by 1.83 meters.

## Powder Room Dimensions

A large powder room measures 6 by 6 feet or 1.83 by 1.83 meters. A medium-sized one measures 5 by 5 feet or 1.52 by 1.52 meters. A small one measures 4 by 4 feet or 1.22 by 1.22 meters.

## Average Living Room Dimensions

A large living room typically measures 22 by 28 feet or 6.71 by 8.53 meters. A medium-sized one measures 16 by 20 or 4.88 by 6.1 meters, and a small one measures 12 by 18 feet or 3.66 by 5.49 in meters.

A large great room, on the other hand, measures 20 by 28 feet or 6.1 by 8.53. A medium-sized great room measures 18 by 24 feet or 5.49 by 7.32 meters, and a small one by 16 by 18 feet or 4.88 by 5.49 meters.

## Average Dining Room Sizes

A large dining room measures 14 by 18 feet or 4.26 by 5.49 meters. A medium-sized dining room measures 12 by 16 feet or 43.65 by 4.87 meters, and a small one measures 10 by 12 feet or 3.04 by 3.65 meters.

## Family Room and Recreation Room Sizes

A large family room measures 16 by 24 feet or 4.87 by 7.31 meters. A medium-sized family room measures 14 by 20 feet or 4.26 by 6.09, and a small family room measures 12 by 16 feet by 3.65 by 4.87 meters.

Additionally, a large recreation room measures 18 by 30 feet or 5.48 by 9.14 meters, a medium-sized one measures 16 by 24 feet or 4.87 by 7.31 meters, and small recreation rooms measure 12 by 18 feet or 3.65 by 5.48 meters.

## Pantry and Kitchen Sizes

A large pantry measures 4 by 6 feet or 1.22 by 2.28 meters. A medium-sized panty measures 3 by 4 feet or 0.91 by 1.22 meters, and a small one measures 2 by 2 feet or 0.61 by 0.61 meters. Additionally, a large kitchen typically measures 12 by 20 feet or 3.65 by 6.09 meters. A medium-sized kitchen measures 10 by 16 feet, and 3.04 by 4.87 meters, and a small one measures 5 by 10 feet and 1.52 by 3.04 meters.

## Laundry Room Sizes

A large laundry room typically measures 8 by 10 feet or 2.44 by 3.04 meters. A medium-sized one measures 6 by 8 feet or 2.28 by 2.44 meters, and a small laundry room measures 3 by 6 feet or 0.91 by 2.28 meters. See detailed explanations in our guide on standard laundry space requirements.

## Garage Sizes

A large garage measures 24 by 24 feet or 7.31 by 7.31 meters. A medium-sized one measures 20 by 20 feet or 6.0009 by 6.09, and a small garage measures 12 by 20 feet or 3.65 by 6.09 meters.

## Storage Room Sizes

A large storage room measures 12 by 14 feet or 3.65 by 4.26 meters. A medium-sized storage room measures 8 by 10 feet or 2.44 by 3.04 meters, and a small storage room measures 6 by 6 feet by 2.28 by 2.28 meters.

See more sizes & dimensions of other rooms and things in a house.