How to calculate the size of tatami
In recent years, tatami mats, as a home design that is both practical and beautiful, have been favored by more and more families. Whether it is a small apartment or a large space, tatami can be flexibly adapted to become a multi-functional area for storage, resting and even receiving guests. However, many people are often confused about size calculations when customizing or purchasing tatami. This article will introduce the calculation method of tatami size in detail, and attach structured data to help you easily grasp the key points.
1. Standard size of tatami

The size of tatami mats varies by region and use. The following are common standard size references:
| Type | Length(cm) | Width (cm) | Thickness (cm) |
|---|---|---|---|
| Japanese standard tatami | 180 | 90 | 5-6 |
| Common tatami in China | 200 | 100 | 5-7 |
| Customized children's tatami | 150-180 | 80-90 | 4-5 |
2. How to calculate the tatami size based on room size
1.Measure room space: First, you need to accurately measure the length, width and height of the room to ensure that the tatami matches the space to avoid crowding or waste.
2.Consider functional requirements: If the tatami is mainly used for sleeping, it is recommended that the width be no less than 100cm; if it is also used for storage, space for drawers or cabinets needs to be reserved.
3.Common layout solutions:
| Room area (㎡) | Recommended tatami size (length × width, cm) |
|---|---|
| 6-8 | 180×100 |
| 8-12 | 200×120 |
| 12 and above | 220×150 or customized L shape |
3. Tatami thickness selection
The thickness of tatami directly affects comfort and durability. The following are applicable scenarios for different thicknesses:
| Thickness (cm) | Applicable scenarios |
|---|---|
| 4-5 | Children's room, temporary guest room |
| 5-6 | Regular bedroom, study room |
| 7 or more | Floor type storage tatami |
4. Hot topics: Things to note when designing tatami mats
Based on the hot discussions on the Internet in the past 10 days, the following are the tatami design issues that users are most concerned about:
1.Moisture-proof treatment: In southern areas, moisture-proof mats need to be added to the bottom of the tatami to avoid mold.
2.Material selection: It is recommended to use rush mats or eco-friendly boards with good breathability.
3.edge security: Families with children are recommended to choose a rounded corner design to prevent collisions.
5. Summary
The size calculation of tatami needs to comprehensively consider the size of the room, functional requirements and material thickness. Through the structured data in this article, you can quickly find the suitable size solution. Whether it is Japanese style or modern customization, reasonable size planning can make tatami both beautiful and practical, adding more possibilities to home life.
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