Rum (40% ABV) Cups to Grams

1 US cup of Rum (40% ABV) is about 225.705 grams with the density used here.

Direct Answer

1 US cup of Rum (40% ABV) equals 225.705 g

grams = cups × 225.705

2 cups = 451.41 g

This uses Rum (40% ABV) at 40% ABV (not pure ethanol), so density differs from alcohol-only references.

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225.705 Grams

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Explanation

Convert US cups of rum (40% abv) to grams using a density reference of 0.954 g/mL. With the US cup fixed at 236.588 mL, that gives 225.705 grams per cup for this ingredient.

That is especially useful for cocktail specs, batching sheets, and inventory work where rum (40% abv) starts from weight but service still uses poured measures. Rum (40% ABV) is treated here as 40% ABV, so stronger or lower-proof bottles can shift the practical density slightly.

Method & Density Basis

  • Density basis: 0.954 g/mL (anchored to US cup 236.588 mL and US fl oz 29.5735295625 mL).
  • Applied factor: 1 Cup = 225.705 Grams.
  • Consistency rule: mirror pages invert the same per-liquid constants so forward and reverse directions remain aligned.
  • Source: Beverage density pool (Rum density near 40% ABV.)

Common Conversion Values

CupsGrams
1/4 56.426
1/3 75.227
1/2 112.852
3/4 169.279
1 225.705
1 1/2 338.557
2 451.41
3 677.115
4 902.82

Frequently Asked Questions

How many grams are in 1 cup of Rum (40% ABV)?

1 US cup of Rum (40% ABV) is 225.705 grams with the density used here.

What density basis does this cup conversion use for Rum (40% ABV)?

It uses a density of 0.954 g/mL with the US cup standard (236.588 mL).

How many grams are in 2 cups of Rum (40% ABV)?

2 US cups of Rum (40% ABV) are 451.41 grams with the density used here.

How do I convert Rum (40% ABV) grams back to cups?

Use the mirror Grams To Cups page; for this ingredient, 1 g = 0.004 cups.