Fluid drachms/drams (US) to fluid drachms/drams (imperial)

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

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The formula is $$$V_{\text{fl dr (imp)}} = \frac{473176473}{454609000} V_{\text{fl dr (US)}}$$$, where $$$V_{\text{fl dr (US)}} = 15$$$.

Therefore, $$$V_{\text{fl dr (imp)}} = \frac{1419529419}{90921800}$$$.

Answer: $$$15 \text{fl dr (US)} = \frac{1419529419}{90921800} \text{fl dr (imp)}\approx 15.6126409617935 \text{fl dr (imp)}.$$$