Grams per square meter to ounces per square foot
Type a value in GSM to get it in oz/ft² instantly.
0.5899oz/ft²
That's 1.2× as heavy as a summer T-shirt, while a hoodie is 1.56× heavier. A T-shirt made from it would weigh about 198 g.
What it means
How heavy is that cloth?
Weight describes the cloth, not the garment. A loose knit at 200 GSM feels quite different from a tight weave at the same weight.
The math
How to convert GSM to oz/ft²
To convert grams per square meter to ounces per square foot, multiply by 0.00327706.
Example: 180 GSM × 0.00327706 = 0.58987 oz/ft².
In the other direction, 1 oz/ft² = 305.152 GSM.
Every unit
Your fabric weight in every unit
Tables
GSM to oz/ft² conversion table
| GSM | oz/ft² |
|---|---|
| 60 GSM | 0.196623 oz/ft² |
| 90 GSM | 0.294935 oz/ft² |
| 110 GSM | 0.360476 oz/ft² |
| 130 GSM | 0.426017 oz/ft² |
| 150 GSM | 0.491558 oz/ft² |
| 180 GSM | 0.58987 oz/ft² |
| 200 GSM | 0.655411 oz/ft² |
| 250 GSM | 0.819264 oz/ft² |
| 300 GSM | 0.983117 oz/ft² |
| 400 GSM | 1.31082 oz/ft² |
| 500 GSM | 1.63853 oz/ft² |
oz/ft² to GSM conversion table
| oz/ft² | GSM |
|---|---|
| 60 oz/ft² | 18,309.1 GSM |
| 90 oz/ft² | 27,463.7 GSM |
| 110 oz/ft² | 33,566.7 GSM |
| 130 oz/ft² | 39,669.8 GSM |
| 150 oz/ft² | 45,772.8 GSM |
| 180 oz/ft² | 54,927.4 GSM |
| 200 oz/ft² | 61,030.4 GSM |
| 250 oz/ft² | 76,288 GSM |
| 300 oz/ft² | 91,545.6 GSM |
| 400 oz/ft² | 122,061 GSM |
| 500 oz/ft² | 152,576 GSM |
Quick answers
Quick answers
- How many oz/ft² is 1 GSM?
- 1 GSM is 0.00327706 oz/ft².
- How many oz/ft² is 10 GSM?
- 10 GSM is 0.0327706 oz/ft².
- How many oz/ft² is 180 GSM?
- 180 GSM is 0.58987 oz/ft².
The units
About these units
Grams per square meter (GSM)
The world standard for fabric weight, used by nearly every mill.
Ounces per square foot (oz/ft²)
Used for canvas, leather and heavy industrial cloth.
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