Which conversion factor is this?

33.906, the factor on mill sheets. Freeze one unit on the PO.

How do I get GSM from a cutter?

Weigh a 100 cm² piece in grams and multiply by 100. Not a lab certificate.

Convert

GSM is grams per square metre. Many US buyers still speak oz/yd². Same mass, two units.

Convert

Fabric weight converter

GSM is grams per square metre. Many US buyers still speak oz/yd². Same mass, two units.

grams / m²

110

ounces / yd²

3.24

GSM ≈ oz/yd² × 33.906. Freeze one primary unit on the PO so rounding is not a dispute.

From a 100 cm² cutter sample

A standard circular cutter takes 0.01 m². Grams × 100 is GSM.

Calculated GSM

110

Common end-use neighborhoods (illustrative)

Not pass/fail limits. Confirm against the sample and the end use.

Value	GSM	oz/yd²
Sheer / very light	30–70	0.9–2.1
Light / shirting-weightIn this band	80–120	2.4–3.5
BeddingIn this band	90–180	2.7–5.3
Curtains	120–250	3.5–7.4
Upholstery	200–400	5.9–11.8

Which conversion factor is this?: 33.906, the factor on mill sheets. Freeze one unit on the PO.
How do I get GSM from a cutter?: Weigh a 100 cm² piece in grams and multiply by 100. Not a lab certificate.