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66.14: Unit Conversion Tables

  • Page ID
    91944
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    Time

    1 day = 24 hours = 1440 minutes = 86400 seconds

    1 hour = 60 minutes = 3600 seconds

    1 year = 31557600 seconds \(\approx \pi \times 10^{7}\) seconds

    Length

    1 mile = 8 furlongs = 80 chains = 320 rods = 1760 yards = 5280 feet = 1.609344 km

    1 yard = 3 feet = 36 inches = 0.9144 meter

    1 foot = 12 inches = 0.3048 meter

    1 inch = 2.54 cm

    1 nautical mile = 1852 meters = 1.15077944802354 miles

    1 fathom = 6 feet

    1 parsec = 3.26156376188 light-years = 206264.806245 AU = 3.08567756703 \(\times 10^{16}\) meters

    1 ångström = 0.1 nm = \(10^{5}\) fermi = \(10^{-10}\) meter

    Mass

    1 kilogram = 2.20462262184878 lb

    1 pound = 16 oz = 0.45359237 kg

    1 slug = 32.1740485564304 lb = 14.5939029372064 kg

    1 short ton = 2000 lb

    1 long ton = 2240 lb

    1 metric ton = 1000 kg

    Velocity

    15 mph = 22 fps

    1 mph = 0.44704 m/s

    1 knot = 1.15077944802354 mph = 0.514444444444444 m/s

    Area

    1 acre = 43560 ft2 = 4840 yd2 = 4046.8564224 m2

    1 mile2 = 640 acres = 2.589988110336 km2

    1 are = 100 \m2

    1 hectare = 104 m2 = 2.47105381467165 acres

    Volume

    1 liter = 1 dm3 = 103 ~m3 \(\approx\) 1 quart

    1 m3 = 1000 liters

    1 cm3 = 1 mL}

    1 ft3 = 1728 in3 = 7.48051948051948 gal = 28.316846592 liters

    1 gallon = 231 in3 = 4 quarts = 8 pints = 16 cups = 3.785411784 liters

    1 cup = 8 fl oz = 16 tablespoons = 48 teaspoons

    1 tablespoon = 3 teaspoons = 4 fluidrams

    1 dry gallon = 268.8025 in3 = 4.40488377086 liters

    1 imperial gallon = 4.54609 liters

    1 bushel = 4 pecks = 8 dry gallons

    Density

    1 g}/cm3 = 1000 kg/m3 = 8.34540445201933 lb/gal = 1.043175556502416 lb/pint

    Force

    1 lb f = 4.44822161526050 newtons = 32.1740485564304 poundals

    1 newton = 105 dynes

    Energy

    1 calorie = 4.1868 joules

    1 BTU = 1055.05585262 joules

    1 ft-lb = 1.35581794833140 joules

    1 kW-hr = 3.6 MJ

    1 eV = 1.602176634 \(\times\) 10-19} joules

    1 joule = 107 ergs

    Power

    1 horsepower = 745.69987158227022 watts

    1 statwatt = 1 abwatt = 1 erg/s = 10-7 watt

    Angle

    rad = deg \(\times \frac{\pi}{180} \quad\) deg = rad \(\times \frac{180}{\pi}\)

    1 \mathrm{deg} = 60 \operatorname{arcmin} = 3600 \operatorname{arcsec}

    Temperature

    \({ }^{\circ}\mathrm{C}\) = \({ }^{\circ}\mathrm{F}\) -32 \(\times \frac{5}{9}\)

    \({ }^{\circ} \mathrm{F} = \left({ }^{\circ} \mathrm{C} \times \frac{9}{5}\right)+32\)

    K = \({ }^{\circ}\)C+273.15

    \({ }^{\circ} R = { }^{\circ} F+459.67\)

    Pressure

    1 atm = 101325 Pa = 1.01325 bar = 1013.25 millibar = 760 torr

    = 760 mmHg = 29.9212598425197 inHg = 14.6959487755134 psi

    = 2116.21662367394 lb/ft2 = 1.05810831183697 ton/ft2 = 1013250 dyne/cm2 = 1013250 barye

    Electromagnetism

    1 statcoulomb = 3.335640951981520 \(\times\) 10-10 coulomb

    1 abcoulomb = 10 coulombs

    1 statvolt = 299.792458 volts

    1 abvolt = 10-8} volt

    1 maxwell = 10-8} weber

    1 gauss = 10-4 tesla

    1 oersted = 250 / \(\pi\) ( = 79.5774715459477) A/m

    clipboard_e11dee387055364e0a0888600461b40a1.png
    Figure \(\PageIndex{1}\): Conversion chart for kitchen measurements. (Credit: S.B. Lattin Design.)

    66.14: Unit Conversion Tables is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts.

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