This Excel file contains a digitized copy of TTB Table 1, and a calculator that performs True Proof calculations according to the TTB methodology.  Note:  we discovered a few typos in the published table.  Our proposed corrections are clearly marked.

This Excel file contains a digitized copy of TTB Table 4, and two calculators.  The first calculator determines wine gallons and proof gallons from weight and proof.  The second calculates dilutions on a weight basis.