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Laundry room sizes

Laundry room dimensions have no code minimum: the IRC counts it as utility space, not habitable space, so the 70 sq ft rule does not apply. The ceiling must be at least 6 ft 8 in (IRC R305.1). We found no public source for a standard laundry room size, so we show one drawn to scale.

Laundry room

Laundry room

Laundry room16.72 m²

180 sq ft
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By the Squaremetry team · Updated · How we calculate

A laundry room of 6 by 8 feet with a washer and a dryer side by side and a utility sink, drawn to scale.

In short

  • Code minimum area: none, a laundry room is utility space (IRC R202).
  • Ceiling: at least 6 ft 8 in (IRC R305.1).
  • Standard size: no public source yet, so we do not give one.

What the code and guidelines say

Code means the International Residential Code 2021 (IRC); local codes can be stricter. NKBA guidelines are recommendations, not law.

Table: laundry room size rules
WhatRuleWhere it comes from
Floor areano minimumIRC 2021, utility space is not habitable space (R202)
Ceiling heightat least 6 ft 8 inIRC 2021, R305.1, laundry rooms
Standard laundry roomNo public source yetwe found no survey of room sizes
Space for washer and dryerNo public source yeteach appliance maker publishes its own

Minimum size by code

The International Residential Code defines habitable space as space for living, sleeping, eating or cooking, and names utility spaces as not habitable (R202). A laundry room is a utility space, so the 70 sq ft and 7 ft rules for rooms do not apply. Its ceiling must be at least 6 ft 8 in (R305.1).

Source: International Residential Code 2021, section R202: Definitions (habitable space), International Code Council; International Residential Code 2021, section R305.1: Minimum ceiling height, International Code Council.

Is there a standard laundry room size?

We found no public, neutral source for a standard laundry room size. Washers and dryers differ per model, so measure your machines, the space to open their doors and the room to stand in front of them.

About this page · Written by the Squaremetry team. Sources: International Residential Code 2021, section R202: Definitions (habitable space) (International Code Council); International Residential Code 2021, section R305.1: Minimum ceiling height (International Code Council). Last checked on October 1, 2026.

Questions

Laundry room dimensions: questions

About laundry room sizes. Can’t find your answer? Send us a message.

What is the minimum size for a laundry room?

The International Residential Code sets no minimum area for a laundry room. It is utility space, not habitable space. The ceiling must be at least 6 ft 8 in.

What are standard laundry room dimensions?

We found no public, neutral source for a standard laundry room size, so we do not give one. The room drawn on this page is 6 × 8 ft, with a washer and a dryer side by side.

Does a laundry room count as square footage?

Yes, when it is finished and inside the home. Under ANSI Z765 it counts toward the gross living area on a finished level above grade, like the rooms around it.

How do I measure a laundry room?

Measure wall to wall at floor level, the longest way and the widest way, and multiply them. Draw the laundry room in the editor to see the area in square feet and square meters.

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