Fluid drachms/drams (imperial) to cups (US food nutrition labeling)

This free conversion calculator will convert fluid drachms/drams (imperial) to cups (US food nutrition labeling), i.e. fl dr (imp) to c (US food). Correct conversion between different measurement scales.

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The formula is $$$V_{\text{c (US food)}} = \frac{454609}{30720000} V_{\text{fl dr (imp)}}$$$, where $$$V_{\text{fl dr (imp)}} = 15$$$.

Therefore, $$$V_{\text{c (US food)}} = \frac{454609}{2048000}$$$.

Answer: $$$15 \text{fl dr (imp)} = \frac{454609}{2048000} \text{c (US food)} = 0.22197705078125 \text{c (US food)}.$$$