OK - rule of thumb

1 lb of DME added to 1 gallon of water will give you a specific gravity of 1.045 1 lb DME = 1 lb

1 gal water = 8.34 lb

1 lb DME + 1gal water = 9.34 lb

9.34 lb / Vwort = 1.045 x (8.34 lb/gallon)

9.34 lb/ Vwort = 8.715 lb/gallon

9.34lb / (8.715 lb/gallon) = Vwort = 1.072 gallon

Vdme = Vwort - Vwater

Vdme = 1.072 gallon - 1.000 gallon = 0.072 gallon

density of DME = 1 lb / 0.072 gallons = 13.89 lb/gallon

(13.89 lb/gallon) x (1 gallon / 16cup ) x (16 wt.oz / 1 lb) =

**13.89 wt.oz. / cup**Specific Gravity of DME = (13.89 lb/gallon) / (8.34lb/gallon) = 1.665

Recall - Specific gravity can be expressed as g/mL

therefore DME density = 1.665 g/mL

More dense than the 1.6 g/mL I used in my previous calculations