Metric/Imperial Conversion

All Conversions are approximate.

Converting Liquid Cup Imperial Measure to Millilitres (ml)

1/2 fluid oz        =     15 mls

1 fluid oz        =    30 mls

1/4 cup (2 oz)   =   60 mls

1/3 cup (3 oz)    =     90 mls

1/2 cup (4 oz)    =     125 mls

1 cup (8 oz)      =     250 mls


1/4 teaspoon (tsp)  =  1 ml
1/2 teaspoon (tsp)  =  2 ml
1 teaspoon (tsp)  =   5 ml
1 Tablespoon (Tbsp)  =  15 ml


3 teaspoons   =   1 Tablespoon
4 Tablespoons   =   1/4 Cup
8 Tablespoons   =   1/2 Cup
16 Tablespoons   =   1 cup



Converting Imperial Weight to Grams (gm)


1/2 oz    equals    15 gms

1 oz    equals     30 gms

2 oz    equals     60 gms

4 oz (1/4 lb)    equals     125 gms

8 oz (1/2 lb)    equals     227 gms

16 oz (1 lb)   equals    454 gm

32 oz (2.2 lb)   equals    1 Kg (1000 gms)




1 ml of essential oil = 20 - 25 drops

5 ml of essential oil = 90 - 100 drops

Table of Quantities for Using Essential Oils

A handy chart for making your own fragrant massage, lotion or bath oil blends.

Percent Dilution					Measured Carrier				Number of Drops				How to Use
1%					2 oz (60 ml) oil/emulsion				12 drops				Standard
2%					2 oz (60 ml) oil/emulsion				24 drops				Typical
4%					2 oz (60 ml) oil/emulsion				48 drops				Specific Treatments
1%					4 oz (120 ml)				24 drops				Children/Elderly
2%					4 oz (120 ml)				24 drops				Typical

BACK TO TOP