Appendix C

Measures and
Conversions

Metric

Volume

1 L = 1,000 mL

1 mL = 1 cc

Weight

1 g = 1,000 mg

1 mg = 1,000 mcg

 

Household

Volume

1 gal = 4 qt

1 qt = 2 pt

1 pt = 2 cups = 16 fl oz

1 fl oz = 2 tbsp = 6 tsp

Weight

1 lb = 16 oz

Length

1 yd = 3 ft

1 ft = 12 in

CONVERSIONS

 

Household

Apothecary

Metric

Volume

1 qt 5 32 fl oz

 

0.96 L

1 pint 5 16 fl oz

 

480 mL*

1 cup 5 8 fl oz

 

240 mL

2 tbsp 5 1 fl oz

6 f Ӡ 1 f ℥

30 mL*

1 tbsp

3 f Ӡ

15 mL

1 tsp

1 f Ӡ

5 mL†

 

1 images

0.0625 mL

Weight

2.2 lb

 

1 kg

1 lb

 

454 g

1 oz

8 Ӡ

30 g

Length

1 in

 

2.5 cm

*There are actually 29.57 mL in 1 fl oz, but 30 mL is usually used. When packaging a pint, companies will typically include 473 mL, rather than the full 480 mL, thus saving money over time.

†There are actually 3.75 mL in an apothecary f . However, convention dictates that 1 f Ӡ 5 mL 5 1 tsp.