Calculations & Conversions

Snapshot: This article displays common metric prefixes, abbreviations, conversions, and equivalents to other metric and non-metric measurements. Note: This information is for reference purposes only; calculations and conversions must always be interpreted in the context of a broader clinical assessment.

Common Prefixes

 Prefix Numerical Value Meaning Kilo 1,000 one thousand Hecto 100 one hundred Deka 10 ten Deci 0.1 one tenth Centi 0.01 one hundredth Milli 0.001 one thousandth Micro 0.000001 one millionth

gram = g

microgram = mcg

milligram = mg

kilogram = kg

liter = L

deciliter = dL

milliliter = mL

Common Metric Equivalents

Weight

1 kilogram (kg) = 1,000 grams (g)

1 gram (g) = 1,000 milligrams (mg)

1 milligram (mg) = 1,000 micrograms (mcg)

Volume

1 liter (L) = 1,000 millilters (mL)
1 milliliter (mL) = 0.001 liter (L)

Length

1 meter (m) = 100 centimeters (cm) = 1,000 mm

1 millimeter (mm) = 0.001 meter (m) = 0.1 cm

Metric Conversions

Pounds per kilogram (lb per kg) = 2.2

Kilograms per pound (kg per lb) = 0.4

To convert degrees Farenheit to Celsius

(°F  –  32)  x  5/9 = °C

To convert degrees Celsius to Farenheit

°C  x  9/5 + 32 = °F

Standard Conversions

 Measurement Amount 1 cup 240 ml or 240 cc 1 pint (pt) 2 cups 1 liter (L) 1,000 ml or 1,000 cc 1 teaspoon (tsp) 5 ml or 5 cc 1 tablespoon 15 ml or 15 1 ounce (oz) 30 ml or 30 cc