You're going to be stuck with pounds. A gallon is 8 lbs.
Here is what I use for Tree Top:
Yield: 15.22 %
Type: Extract
Potential: 1.007
Color: 3.0
Coarse Fine Diff: 1.50 % Max In Batch: 100.0 %
Moisture: 4.00 Must Mash: FALSE
Diastatic Power: 120.0 Protein: 11.7
Inventory: 0.0 oz
IBU: 0.0
Notes:
Also attached is a recipe that I have based on this ingredient.
Batch No: Brewsheet: Apfelwein Applewine
Type: Extract
Equipment: Keggle (15+gal) and Ice Cube Cooler (5 Gal) Date: 9/30/2012
Batch Size: 6.00 gal
Boil Size: 6.50 gal Brewhouse Efficiency: 82.00
Ingredients
Yeasts Used
Amt Name Type # %/IBU
1.0 pkg Montrechet (Red Star #) Yeast 3 -
Fermentables
Amt Name Type # %/IBU
48 lbs Apple Juice (2.0 SRM) Extract 1 96.0 %
2 lbs Brown Sugar, Dark (50.0 SRM) Sugar 2 4.0 %