How to measure the size of sofa
When purchasing a sofa, accurate measurements are key to ensuring that the furniture will fit perfectly into your home space. Whether it is online shopping or offline customization, mastering the correct measurement method can avoid many unnecessary troubles. The following is a practical guide on sofa size measurement that has been a hot topic on the Internet in the past 10 days. It is clearly presented to you based on structured data.
1. Preparation before measurement

Before starting the measurement, you need to prepare the following tools: tape measure (recommended to use more than 3 meters), paper and pen to record data, and mobile phone camera assistance. At the same time, ensure that there is no obstruction around the sofa and that the measurement environment has sufficient light.
| Tool name | Instructions for use |
|---|---|
| tape measure | Measure length/width/height |
| square ruler | Verify that the angle is vertical |
| laser rangefinder | Quick measurement of large spaces (optional) |
2. Basic size measurement steps
1.Total length measurement: The horizontal distance from the far left end of the sofa to the far right end, including the armrest.
2.Total depth measurement: The vertical distance from the front edge of the sofa to the rear end of the backrest.
3.Total height measurement: From the floor to the highest point of the sofa (usually the top of the backrest).
| Measurement items | Standard reference value (cm) | Things to note |
|---|---|---|
| Single sofa length | 80-120 | User’s shoulder width needs to be considered |
| Double sofa depth | 85-95 | Including cushions, an extra 15cm is required |
| L shaped sofa height | 70-90 | Low backrest models need to pay attention to lumbar support |
3. Key points for measuring special parts
•Armrest thickness: Affects the actual available seating space of the sofa
•seat height: From the ground to the cushion surface, it is recommended to be 40-45cm suitable for Asian body types
•Channel reservation: Leave at least 45cm of space between the sofa and coffee table.
| Sofa type | Recommended measurement frequency | Easy to overlook details |
|---|---|---|
| modular sofa | Each module is individually measured | Connectors take up space |
| Electric functional sofa | Test once each in unfolded/folded state | Reserved position for power cord |
| Special shaped sofa | Draw outline diagram | The arc part requires multi-point measurement |
4. Tips for size comparison of sofas purchased online
According to the latest data from e-commerce platforms, 23% of returns and exchanges are due to size errors. suggestion:
1. Compare the product details pagenet sizeandOuter packaging size
2. Pay attention to whether the details page is marked with "armrests included", "backrest included", etc.
3. Save the size commitment confirmed by customer service in the chat history
| E-commerce platform | Dimensioning specifications | Allowable error range |
|---|---|---|
| Tmall | Three-dimensional dimensions must be marked | ±1.5cm |
| Jingdong | Need to provide expansion diagram | ±2cm |
| Pinduoduo | At least mark the length information | ±3cm |
5. Answers to popular questions (organized based on search data in the past 10 days)
Q: How to measure the diagonal of a corner sofa?
A: Measurement should be made from the center point of the corner to the outer edges of the handrails on both sides. It is recommended to use the "triangulation measurement method".
Q: Is there any difference in measurement between fabric sofa and leather sofa?
A: Leather sofas need to pay attention to the size shrinkage caused by stitching (usually 0.5-1cm smaller than the marked size).
Q: Should I consider the baseboard when measuring?
A: Must consider! Ordinary skirting lines will occupy a depth of 8-12cm. It is recommended to use the "off-wall measurement method".
Through the above structured data and methods, you can complete sofa size measurement more professionally. Remember to keep the tape measure level when measuring. For important data, it is recommended to repeat the measurement three times and take the average. I wish you a happy purchase of a sofa!
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