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Table of Contents

International System of Units (Si)

FactorNameSymbol
1024yottaY
1021zettaZ
1018exaE
1015petaP
1012teraT
109gigaG
106megaM
103kilok
102hectoh
101dekada
10-1decid
10-2centic
10-3millim
10-6microm
10-9nanon
10-12picop
10-15femtof
10-18femtof
10-21attoa
10-24yoctoy

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Tables of Conversion Factors

Plane Angle

MeasureDegreesMinutesSecondsRadiansRevolutions
1 degree = 16036001.745x10-32.778x10-3
1 minute = 1.667x10-21602.909x10-44.630x10-5
1 second = 2.778x10-41.667x10-214.848x10-67.716x10-7
1 radian = 57.3034382.063x10510.1592
1 revolution = 3602.16x1041.296x1066.2831

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Length

MeasureCentimetersMetersKilometersInchesFeetMiles
1 centimeter = 110-20-50.39373.821x10-26.214x10-6
1 meter = 100110-339.373.2816.214x10-4
1 kilometer = 105100013.937x10432810.6214
1 inch = 2.5402.540x10-212.540x10-518.333x10-21.578x10-5
1 foot = 30.4850.30483.048x1041211.894x10-4
1 statute mile = 1.609x10516091.6096.336x10452801

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Area

Measurem2cm2ft2in2circ mil
1 square meter = 110x410.7615501.974x109
1 square centimeter = 10-411.076x10-30.15501.974x105
1 square foot = 9.290x10-2929.011441.833x108
1 square inch = 6.452x10-46.4526.944x10-311.273x106
1 circular mil = 5.067x10-105.067x10-65.454x10-97.854x10-71

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Volume

Measurem3cm3l (liter)ft3in3
1 cubic meter = 1106100035.316.102x104
1 cubic centimeter = 10-611.000x10-33.531x10-56.102x10-2
1 liter = 1.000x10-3100013.531x10-261.02
1 cubic foot = 2.832x102.832x10428.3211728
1 cubic inch = 1.639x1016.391.639x10-25.787x10-41

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Mass

Measureg (grams)kgozlbslugton
1 gram = 10.0013.527x10-22.205x106.852x10-51.102x10-6
1 kilogram = 1000135.272.2056.852x10-21.102x10-3
1 ounce = 28.352.835x10-216.250x10-21.943x10-33.125x10-5
1 pound = 435.60.45361613.108x10-20.0005
1 slug = 1.459x10414.59514.832.1711.609x10-2
1 ton = 9.072x105907.23.2x104200062.161

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Time

Measureyeardayhrminsec
1 year = 1365.28.766x1035.259x1053.156x107
1 day = 2.738x10-212414408.640x104
1 hour = 1.141x10-44.167x10-21603600
1 minute = 1.901x10-66.944x10-41.667x10-2160
1 second = 3.169x10-81.157x10-52.778x10-41.667x10-21

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Density

Measureslugs/ft3lb/ft3lb/in3kg/m3g/cm3
1 slug per ft2 = 132.171.862x10-2515.40.5154
1 pound per ft2 = 3.018x10-215.787x10-416.0216.02x10-2
1 pound per in2 = 53.71172812.768x10427.68
1 kilogram per m2 = 1.940x10-36.243x10-23.163x10-510.001
1 kilogram per cm2 = 1.94062.433.163x10-210001

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Speed

Measureft/seckm/hrm/secmi/hrknot
1 foot per second = 11.0970.30480.68180.5925
1 kilometer per hour = 0.911310.27780.62140.5400
1 meter per second = 3.2813.612.2371.944
1 mile per hour = 1.4671.6090.447010.8689
1 knot = 1.6881.8520.51441.1511

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Force

Measuredynegfkgfntlbpdl
1 dyne = 11.020x10-31.020x10-610-52.248x10-67.233x10-5
1 gram-force = 980.710.0019.807x10-32.205x10-37.093x10-2
1 kilogram-force = 9.807x105100019.8072.2.20570.93
1 newton = 105102.00.102010.22487.233
1 pound = 4.448x105453.60.45364.448132.17
1 poundal = 1.383x10414.101.410x10-20.13833.108x10-21

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Pressure

Measureatmdyne/cm2inches of watercm Hgkgf/m2nt/m2lb/in2lb/ft2
1 atmosphere = 11.013x106406.8761.033x1051.013x10514.702116
1 dyne per cm2 = 9.869x10-714.015x10-47.501x10-51.020x1020.11450x10-52.089x10-3
1 inch of water at 4o C = 2.458x10-3249110.186825.40249.13.613x10-25.202
1 cm Hg at 0o C = 1.316x10-21.333x1045.3531136.013330.193427.85
1 kilogram-force per m2 = 9.678x10-598.073.937x10-27.356x10-319.8071.422x10-30.2848
1 newton per m2 = 9.869x10-6104.015x10-37.501x10-40.102011.450x10-42.089x10-2
1 pound per in2 = 6.085x10-26.895x10427.685.171703.16.895x1031144
1 pound per ft2 = 4.725x10-4478.80.19223.591x10-24.488247.886.944x10-31

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