Vukota Boljanovic

Applied Mathematical and Physical Formulas


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M 10−6 micro μ 109 giga G 10−9 nano n 1012 tera T 10−12 pico P 1015 peta P 10−15 femto f 1018 exa E 10−18 atto a

      The metric system was first proposed in 1791. The French Revolutionary Assembly adopted it in 1795, and the first metric standards (a standard meter bar and kilogram bar) were adopted in 1799.

Name Symbol Value
millimeter mm 1 mm = 0.001 m
centimeter cm 1 cm = 10 mm
decimeter dm 1 dm = 10 cm
meter m 1 m = 10 dm = 1000 mm
dekameter dam 1 dam = 10 m
hectometer hm 1 hm = 10 dam
kilometer km 1 km = 10 hm = 1000 m
Name Symbol Value
sq. millimeter mm2 1 mm2 = 0.000001 m2
sq. centimeter cm2 1 cm2 = 100 mm2
sq. decimeter dm2 1 dm2 = 100 cm2
sq. meter m2 1 m2 = 100 dm2
sq. decameter dam2 1 dam2 = 100 m2
sq. hectometer hm2 1 hm2 = 100 dam2
sq. kilometer km2 1 km2 = 100 hm2
Name Symbol Value
milliliter mL 1 mL = 0.001 L
centiliter cL 1 cL = 10 mL
deciliter dL 1 dL = 10 cL
liter L 1 L = 10 dL = 1000 mL
dekaliter daL 1 daL = 10 L
hectoliter hL 1 hL = 10 daL
kiloliter kL 1 kL = 10 hL = 1000 L
Name Symbol Value
cu. millimeter mm3 1 mm3 = 10 −9 m3
cu. centimeter cm3 1 cm3 = 1000 mm3
cu. decimeter dm3 1 dm3 = 1000 cm3
cu. meter m3 1 m3 = 1000 dm3
Name Symbol Value
milligram mg 1 mg = 0.001 g
centigram cg 1 cg = 10 mg
decigram dg 1 dg = 10 cg
gram g 1 g = 10 dg
dekagram dag 1 dag = 10 g
hectogram hg 1 hg = 10 dag
kilogram kg 1 kg = 10 hg = 1000 g
megagram Mg 1 Mg = 1000 kg = 1 t

      Most of the U.S. system of measurements is the same as that forthe U.K. The biggest differences to be noted are