7 Standard Metric Base Units Unit of length (metre) Unit of mass (kilogram) Unit of temperature (kelvin) Unit of time (second) Unit of electric current (ampere) Unit of amount of substance (mole) Unit of luminous intensity (candela)
Measurements Length (m) Mass (kg) Volume (L) Temperature (K or C) Time (s)
English to Metric conversions 1 gallon = 3.78 liters 1 pound = 453 grams 1 inch = 2.54 centimeters 1 foot =.3048 meters 1 yard =.91 meters 1 mile = 1, 609 meters 1 tsp = 5 ml
Length Analogies 1 km = 5 city blocks (8 blocks = 1 mile) 1 hm = little longer than a football field 1 dam= about the height of a 3-story building 1 m = length of a baseball bat or golf club 1 dm = nearly the length of a crayon 1 cm = width of little finger / pencil 1 mm = thickness of an ID card
Mass Analogies 1 kg = 2.2 lbs = approx. weight of textbook 1 hg = thin razor cell phone 1dag = 2 nickels 1 g = weight of a small paperclip 1dg = toothpick 1cg = adult housefly 1 mg = weight of a piece of dust
Volume Analogies 1 kl = large aquarium 1 hl = helium tank 1 dal = medium-sized bucket 1 L = water bottle 1 dl = small-sized hair products 1 cl = 1 ml = single drop of liquid / teardrop
temperaturekelvinsdegrees celsiusdegrees fahrenheit symbol°K°C°F boiling point of water373.15100.212. average human body temperature 37.98.6 average room temperature 20. to 25.68. to 77. freezing point of water273.150.32. absolute zero0.-273.15-459.67 Temperature Analogies Celsius memory aid: When it's zero it's freezing, when it's 10 it's not, when it's 20 it's warm, when it's 30 it's hot!
LENGTH 1 KILOMETER approximately the length of 6 city blocks 1 HECTOMETER little longer than a football field 1 DEKAMETER about the height of a 3-story building 1 METER about as long as a baseball bat about the height of the door handle from the floor 1 DECIMETER nearly the length of a crayon 1 CENTIMETER width of your pinky finger 1 MILLIMETER thickness of a dime