Units of Measurement

Units of MeasurementHow do scientists measure things?

Measurement uses numbers to describe processes and eventsMetrology is the study of measurement. This term comes from the Greek words metron which means measure and logos which means study of. 4 Common Measurements length: a measure of the straight-line distance between two pointsBase Unit Meter - m

mass: a measure of the amount of matter in an objectBase Unit Gram - g

weight: a measure of the gravitational force exerted on an objectBase Unit Newton - N

volume: a measure of the size of a body or region in three-dimensional spaceBase Unit cubic centimeter cc or cm3 or ml

Volume44

The International System of Units is known as SI from its French name Systeme International dUnites.Metric SystemSI units are the current world standard for measurement. There are seven basic SI units. They are the meter, kilogram, second, ampere, kelvin, mole, and candela.

SI (Le Systme Internationale dUnits)

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ConversionsCommon Conversions100 cm = 1 m1000 m = 1 km1000 mm = 1 m1 km = 0.62 mi1 kg = 2.2 lbs1 hr = 60 min1 min = 60 s3600 s = 1 hr

ConversionsConvert your mass in lbs to kg.

1 step conversions1000 cm = ? m45 mg = ? g800 kL = ? L200 lbs = ? Kg1kg = 2.2 lbs2 step - conversions100 cm = ? km8 kg = ? cg4500 g = ? Lbs50 m2 = ? cm2

Complex Conversions10 m/s = ? mi/h

1200 cg = ? Lbs

5 cm3 = ? m3Conversion Practice45 mg = ? g800 L = ? cL8 km = ? m5 miles = ? km0.62 miles = 1 kmCommon Metric English ConversionsLength1 in. = 2.54 cm1 m = 3.281 ft1 yd = 0.9144 m 1 km = 0.62 miVolume1 L = 1.06 qt1 ml = 1cm^3Mass1 kg = 2.2 lbs1000 kg = 1 t (metric ton)Force1 lb = 4.48N

Time365 days = 1 year1 day = 24 hr1 hr = 60 min1 min = 60 s 3600 s = 1 hr