SI Units/Conversions: 
Base Units of the SI System

QUANTITY NAME OF UNIT SYMBOL
Length meter m
Mass kilogram kg
Time second s
Electric current ampere A
Temperature kelvin K
Luminous intensity candela cd
Amount of substance mole mol

Common Conversions:

Length
(SI unit: meter)
Mass
(SI unit: kilogram)
Volume
(SI unit: cubic meter)
1 meter = 1.094 yards
= 39.37 inch
= 3.281 ft
1 mile = 1609 meters
= 5280 ft.
= 1.6093 km
1 inch = 2.54 cm
1 kg = 2.205 pounds
= 0.001102 tons
1 pound = 0.4536 kg
= 5 x 10-4 tons
1 ton = 0.9072 metric tons
= 2000 pounds
= 907.18 kg
1 liter = 0.2641 gallons
= 1.057 quarts
= 2.113 pints
= 33.81 ounces
1 gallon = 4 quarts
= 8 pints
= 128 ounces
= 3.7854 liters
1 quart = 32 fluid ounces
= 0.94633 liters
= 0.25 gallons
Temperature
(SI unit: kelvin)
Energy
(SI unit: joule)
Pressure
(SI unit: pascal)
Kelvin = oC + 273.15
Celsius = (5/9)(oF-32)
Fahrenheit = (9/5)(oC) + 32
Joules = 1 kg * m2/s2
= 0.23901 calorie
= 9.478 x 10-4 btu
Calories = 4.184 joules
= 3.965 x 10-3 btu
BTU = 1055 joules
= 252.2 calories
1 pascal = N/m2
= 1 kg/m * s2
1 atm = 760 mmHg (torr)
= 101.325 kPa
1 bar = 105 pascals
*


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