1.3: Conversions and Units of Measure
- Page ID
- 6760
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Learning Objectives
- Learn about commonly used measurements in nutrition
The Metric and US Customary System
These are commonly used prefixes for the Metric System:
Micro- (μ) | 1/1,000,000th (one millionth) |
Milli- (m) | 1/1000th (one thousandth) |
Centi- (c) | 1/100th (one hundredth) |
Deci- (d) | 1/10th (one tenth) |
Kilo- (k) | 1000x (one thousand times) |
Mass
Metric System | US Customary System | Conversions |
---|---|---|
Microgram (μg) | Ounce (oz) | 1 oz = 28.35 g |
Milligram (mg) | Pound (lb) | 1 lb = 16 oz |
Gram (g) | 1 lb = 454 g | |
Kilogram (kg) | 1 kg = 2.2 lbs |
Volume
Metric System | US Customary System | Conversions |
---|---|---|
Milliliter (mL) | Teaspoon (tsp) | 1 tsp = 5 mL |
Deciliter (dL) | Tablespoon (tbsp) | 1 tbsp = 3 tsp = 15 mL |
Liter (L) | Fluid ounce (fl oz) | 1 fl oz = 2 tbsp = 30 mL |
Cup (c) | 1 c = 8 fl oz = 237 mL | |
Pint (pt) | 1 pt = 2 c = 16 fl oz | |
Quart (qt) | 1 qt = 4 c = 32 fl oz = 0.95 L | |
Gallon (gal) = 4 qt | 1 gal = 4 qt |
Length
Metric System | US Customary System | Conversions |
---|---|---|
Millimeter (mm) | Inch (in) | 1 in = 25.4 mm |
Centimeter (cm) | Foot (ft) | 1 ft= 30.5 cm |
Meter (m) | Yard (yd) | 1 yd = 0.9 m |
Kilometer (km) | Mile (mi) | 1 mi = 1.6 km |
Contributor
University of Hawai’i at Mānoa Food Science and Human Nutrition Program: Allison Calabrese, Cheryl Gibby, Billy Meinke, Marie Kainoa Fialkowski Revilla, and Alan Titchenal