Fluid drachms/drams (imperial) to teaspoons (imperial)

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

The formula is $V_{\text{tsp (imp)}} = \frac{3}{5} V_{\text{fl dr (imp)}}$, where $V_{\text{fl dr (imp)}} = 15$.

Therefore, $V_{\text{tsp (imp)}} = 9$.

Answer: $15 \text{fl dr (imp)} = 9 \text{tsp (imp)}$.