Two buyers sit across a table, each holding a specification sheet for the same sized lawn. One sheet lists 60 oz per square yard; the other shows 2,034 grams per square metre. Neither can tell which roll actually carries more yarn, because the two numbers speak different measurement languages.
The point here is narrower than a general explainer. Face weight is one number on a long specification sheet, and it answers a specific question: how much yarn sits in each square of turf. Everything else on that sheet still matters, and we will say plainly when a higher number helps and when it does not.
What Face Weight Measures and Why Buyers Misread It
Artificial grass face weight is the weight of the yarn alone in one square yard of turf. It includes the blades and the thatch layer, but it leaves out the backing and any infill. Buyers who read it as the whole roll weight are already one step behind before they compare two products.
Most specification sheets print this number in ounces per square yard, while others print grams per square metre, and a few print both. That mismatch is why two buyers with the same lawn can hold sheets that look impossible to compare. Across artificial turf installations of every scale, the first reading error almost always starts here.
Face weight answers one question well: how much fibre sits in each square of turf. It does not tell you how soft the surface feels once infilled, how the roll behaves under load, or how long the colour holds. For the full picture of what moves the per-square-metre price, see how artificial grass cost per square metre is built up across the other specification factors.
Converting oz per Square Yard to Metric
The unit gap is the reason face weight feels mysterious. A US spec sheet lists 60 oz per square yard; a metric sheet lists 2,034 grams per square metre for what may be the same roll. Without a bridge between the two, the bigger printed number looks like the better product even when it is not.
The bridge is a fixed factor for artificial grass face weight: one ounce per square yard equals about 33.9 grams per square metre. Multiply the ounce figure by 33.9 and the two systems line up. The standard definition of artificial turf and its fibre terminology uses the same units, which is a useful check when a vendor’s labels differ.
| Ounces per square yard | Grams per square metre |
|---|---|
| 40 oz | 1,356 g/m² |
| 60 oz | 2,034 g/m² |
| 80 oz | 2,712 g/m² |
Read the table as a first-pass translator, not a verdict. Some vendors fold the thatch layer into face weight and some report yarn only, so the same roll can land a few percent apart between two sheets. Use the conversion to compare like with like, then confirm the real density from a sample in your hand.
Face Weight, Total Weight and Density Compared
Three numbers travel together on a turf spec sheet, and they are easy to confuse. Face weight is the yarn mass per area. Total weight adds the backing and any pre-attached infill. Density counts the tufts in each square. On artificial turf installations, the three decide different things, so reading them as one number is the usual error.