I don't know exactly, but quite some, at least 5 or 6 depending how wrinkled

It depends on the item, the thickness of the fabric and the size of the item. E.g., for an XXL men’s ‘very’ creased linen shirt it uses about 1 full tank of water.

It depends on the item, the thickness of the fabric and the size of clothing, e.g., for an XXL men’s very creased linen shirt it’s about 1 full tank of water.