Unit Conversion

Last Modified on August 10, 2022 by Admin

Unit Conversions

Here are some basic concepts of Unit Conversion.

LENGTH

km = Kilometer

m = Meter

cm = centimeter
1 km = 1000 m
1 m = 100 cm
1 cm = 0.01 m = 10^-2m
1 mm = 10^-3 m
1µm = 10^-6 m
1 mµ = 1 nm = 10^-9 m
a angstrom (A) = 10^-10 m
1 inch (in) = 2.54 cm
1 foot (ft) = 30.48 cm
1 cm = 0.3937 in
1 m = 39.37 in
1 Km = 0.6214 mi (mile)
1 yard = 0.9144 m
1.6 m = 5.24 ft
1.8 m = 5.9 ft
1 mile = 1.6.9 Km
1 nautical mile (NM) = 1.852 Km

10^-1 m	dm	decimeter	10¹ m	dam	decameter
10^-2 m	cm	centimeter	10² m	hm	hectometer
10^-3 m	mm	millimeter	10³ m	km	kilometer
10^-6 m	μm	micrometer	10⁶ m	Mm	megameter
10^-9 m	nm	nanometer	10⁹ m	Gm	gigameter
10^-12 m	pm	picometer	10¹² m	Tm	terameter
10^-15 m	fm	femtometer	10¹⁵ m	Pm	petameter
10^-18 m	am	attometer	10¹⁸ m	Em	exameter
10^-21 m	zm	zeptometer	102¹ m	Zm	zettameter
10^-24 m	ym	yoctometer	10²⁴ m	Ym	yottameter

VOLUME

1 liter(l) = 1000 cm³ = 1.057 quart(qt) = 61.02 in³ = 0.03532 ft³
1 m³ = 1000 l = 35.32 ft³
1 ft³ = 7.481 U.S. gal = 0.02832 m³ = 2832 l
1 U.S. gallon(gal) = 231 in³ = 3.785 l

TIME

1 hour = 60 minutes = 3600 seconds
1 day = 24 hours
1 month ≈ 30 days
1 year ≈ 365 days ≈ 52 weeks = 12 months

MASS

1 ton = 1000 kg
1 Kilogram (kg) = 2.2 pounds (lb) = 0.0685 slug
1 lb = 453.6 gm = 0.031 slug
1 slug = 32.174 lb = 14.59 kg
1 lb = 16 ounce (oz)
1 troy ounce = 31.1034768 gram

table SI Unit

SPEED

Km/h =Kilometer per hour
1 km/h = 0.2778 m/sec = 0.6214 mi/h = 0.9113 ft/sec
1 mi/h = 1.609 Km/h = 1.467 ft/sec = 0.4470 m/sec
1 knot = 1 nautical mile / hour = 1.852 km/h

DENSITY

1 lb/ft³ = 0.01602 gm/cm³
1 slug/ft³ = 0.5154 gm/cm³
1 gm/cm³ = 10³ kg/m³ = 62.43 lb/ft³

FORCE

1 long ton = 2240 lbwt
1 metric ton = 2205 lbwt
1 newton(nt) = 10⁵ dynes = 0.1020 kgwt = 0.5548 lbwt
1 pound weight (lbwt) = 4.448nt = 0.4536 kgwt = 32.17 poundals
1 kilogram weight (kgwt) = 2.205 lbwt = 9.807 nt

TEMPERATURE

0^o = 32^o F = 273 K
20^o C = 68^o F

ENERGY

1 electron volt (ev) = 1.602 x 10^-19 joule
1 Kilowatt hour (kw hr) = 3.60 x 10⁶ joules = 860.0 kcal = 3413 Btu
1Btu (British thermal unit) = 778 ft lbwt = 1055 joules = 0.293 watt hr
1 joule = 1 ny m = 10⁷ ergs = 0.7376 ft lbwt = 0.2389 cal = 9.481 x 10^-4 Btu
1 ft lbwt = 1.356 joules = 0.3239 cal = 1.285 x 10^-3 Btu

PRESSURE

1 nt/m² = 10dynes/cm² = 90869 x 10^-6 atmosphere = 2.089 x 10^-2 lbwt/ft²
1 atm = 1.013 x 10⁵ nt/m²
= 1.013 x 10⁶ dynes/cm²
1470 lbwt/in²
76 cm mercury
= 406.8 in water

1 lbwt/in² = 6895 nt/m² = 5.171 cm mercury
= 27.68 in water

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2 comments

silpa parte says: July 15, 2016 at 5:33 am
Thanks due to this I taught easily

Reply
Basavaraj madderu says: June 7, 2018 at 5:18 am
How to lagic multiple or decision meter to cm

Reply

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Unit Conversions

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