Touch In Knowledge: 2015

Monday 30 November 2015

Length

feet, meters, centimetres, kilometres, miles, furlongs, yards, micrometers, inches,angstroms, cubit, fathom, foot, hand, league, light year, micron, mile, nautical mile, rod.

a) 1 m (meter) = 3.280839895 ft (International) = 39.37 in = 1.0936 yd = 6.214x10^-4 mile = 3.28083333333 ft (U.S. Survey)

b) 1 km = 0.6214 mile

= 3281 ft

= 1094 yds

c) 1 in (inch) = 25.4 mm

= 2.54 cm

= 0.0254 m

= 0.08333 ft

= 0.02778 yd

= 1.578x10^-5 mile

d) 1 ft (foot) = 0.3048 m

= 12 in

= 0.3333 yd

= 1.894x10^-4 mile

= 30.48 cm

= 304.8 mm

e) 1 ft (U.S. Survey) = 1.000002 ft (International)

f) 1 ft (International) = 0.999998 ft (U.S. Survey)

g) 1 mm = 10^-3 m

i) 1 cm = 10^-2 m
= 0.3937 in
= 0.0328 ft
= 1x10⁸ Angstroms
= 0.03281 foot
= 0.0984 hand (horses)
= 0.3937 inch = 1x10^-5 kilometer
= 0.0497 link (Gunter)
= 0.0328 (Ramden)
= 10000 micrometer
= 10000 micron
= 5.3996x10^-6 mile (naut)
= 6.2137x10^-6 mile (US statute)
= 10 millimetre
= 1x10⁷ millimicron
= 393.7 mil
= 2.371 picas (printers)
= 28.4528 point (printers)
= 0.00199 rod (US Survey)
= 0.01094 yard

j) 1 mm = 0.03937 in = 1000 micron

k) 1 Angstroms = 10^-10 m

= 1x10^-8 cm

= 3.937x10^-9 inch

= 1x10^-4 micrometer

= 0.0001 micron

= 0.1 millimicron

l) 1 fermis (nuclear size) = 1 fm

= 10^-15m

m) 1 mile = 1.6093 km

= 1609.3 m

= 63346 in

= 5280 ft

= 1760 yd

n) 1 mil (Norway and Sweden) = 10 kilometres

o) 1 nm (nautical mile, sea mile) = 1852 metres

= 1.151 mile

= 6076.1 feet

= 0.016667 degree of latitude

p) 1 yd (yard) = 0.9144 m

= 36 in

= 3 ft

= 5.682x10^-4 mile

q) 1 Furlong = 660 feet

= 40 rods

= 1/8 mile

r) 1 rod = 5.5 yards

= 1 pole

= 1 perch

= 16 1/2 ft

= 5.029 m

s) 1 land league = 3 miles

t) 1 Fathom = 6 feet

= 1.828804 meters

u) 1 AU = Average Distance between the Earth and the Sun (Astronomical Unit) = 1.495978x10¹¹ m

v) 1 cable (UK) = 0.00167 degree latitude

= 185.37 meter

w) 1 cable length (US Survey) = 120 fathom (US Survey) = 720 foot (U.S. Survey) = 219.456 meter

x) 1 caliber = 0.01 inch

= 0.254 mm

y) 1 chain (Gunter or U.S. Survey) = 2011.7 centimeter

= 66.00013 foot

= 66 foot (U.S. Survey)

= 0.1 Furlong (U.S. Survey) = 792 inch (U.S. Survey)

= 100 link (Gunter)

= 66.00013 link (Ramden)

= 20.117 meter

= 0.0125 mile (US statute) = 4 rod (U.S. Survey)

= 22 yard (U.S. Survey)

z) 1 engineer's chain = 100 ft

= 100 links

= 30.48 m

a1) 1 light year = 63241.08 Astronomical Units (AU)

= 9.46053x10¹⁵ m

= 5.8786x10¹² mile (US statute)

= 0.306601 parsec

b1) 1 parsec

(pc) = the distance at which one AU would subtend a second of arc = 3.085678 x 10¹⁶ m

= 3.261633 ly

= 206265 AU

Energy, Unit of Heat

Energy, Unit of Heat.

British Thermal Unit (BTU), calorie, joule, kilojoule, electron volt, erg, foot lb_f, foot pound-al, kilo-calorie, kilowatt hour, watt hour,

a) 1 J (Joule) = 0.1020 kpm (kilo pond meter)

= 2.778x10^-7 kWh

= 2.389x10^-4 kcal

= 0.7376 ft lb_f

= 1 (kg m²)/s²

= 1 watt second

= 1 Nm

= 9.478x10^-4 BTU

b) 1 kpm = 9.80665 J

(kilo pond meter) = 2.724x10^-6 kWh

= 2.342x10^-3 kcal

= 7.233 ft lb_f

= 9.295x10^-3 Btu

c) 1 kWh = 3.6x10⁶ J

= 3600 kJ

= 3.671x10⁵ kpm

= 859.9 kcal

= 2.656x10⁶ ft lb_f

= 3.412x10³ Btu

d) 1 kJ = 1 kNm

= 1kWs

= 0.000278 kWh

= 10³ J

= 0.947813 Btu

= 737.6 ft lb_f

= 0.23884 kcal

e) 1 Btu = 1055.06 J

(British thermal unit) = 107.6 kpm

= 2.92875x10^-4 kWh

= 251.996 calorie (IT - International Table calorie)

= 0.252 kcal

= 777.649 ft lb_f

= 1.0544x10¹⁰ erg

= 0.293 watt hour

= 0.999331 Btu (Int Steam Tab)

= 0.998560 Btu (mean)

= 25020.1 foot-poundal

= 107.514 kg force meter

= 1.0751x10⁷ gram-force cm

= 0.000393 hp-hour

= 10.456 liter atm

= 1054.35 wattsecond

f) 1 cal = 4.186 J

g) 1 kcal = 4186.8 J

= 426.9 kpm

= 1.163x10^-3 kWh

= 3.088 ft lb_f

= 3.9683 Btu

= 1000 cal

h) 1 ft lb_f = 1.3558 J

(foot pound force) = 0.1383 kpm

= 3.766x10^-7 kWh

= 3.238x10^-4 kcal

= 1.285x10^-3 BTU

i) 1 hph = 2.6846x10⁶ J

(horse power hour) = 0.7457 kWh

j) 1 erg = 1 (g cm²)/s²

= 10^-7 J

= 1 dyne-centimetre

k) 1 electron volt = 1 eV

= 1.602x10^-19 J

l) 1 Q = 10¹⁸ Btu

= 1.055x10²¹ J

= 1000 quads

= 293,000 terawatt hours (TWh).

m) 1 Quad = 10¹⁵ Btu

= 293 terawatt hours (TWh)

n) 1 Therm = 100,000 Btu

o) 1 kg m = 7.233 ft lb

= 0.00929 Btu

= 9.806 Joule

Electromotive Force, Voltage Difference

a) 1 abvolt = 0.01 microvolt

= 1x10^-5 millivolt

= 1x10^-8 volt

Electric Charge

a) 1 ab-coulomb = 0.00278 ampere-hour

= 10 coulomb

= 6.24151x10¹⁹ electronic charge

= 1.03632x10^-4 faraday (chem)

= 2.99792x10¹⁰ stat coulomb

b) 1 ampere hour = 360 ab coulomb

= 3600 coulomb

= 0.03731 faraday (chem)

c) 1 coulomb = 0.1 ab coulomb

= 0.000278 ampere hour

= 1 ampere second

= 1.00015002 coulomb (Int)

= 1.0363x10^-5 faraday (chem)

= 1.0360x10^-5faraday (phys)

= 2.9979x10⁹ stat coulomb

Friday 13 November 2015

Density

kg/cubic meter, gram/centimeter³, lbm/cubic inch, lbm /cubic foot, slug/cubic foot, kilogram/cubic meter, lbm/gallon (US liq)

Density Water

a)    1000 kg/m³ = 62.43 Lbs./Cu.Ft
                           = 8.33 Lbs./Gal.
                           = 0.1337 Cu.Ft./Gal.

b)       1 lb/ft³ = 16.018 kg/m³
                     = 0.016 g/cm³
                     = 0.00926 oz/in³
   = 2.57 oz/gal (Imperial)
   = 2.139 oz/gal (U.S.)
                     = 0.0005787 lb/in³
                     = 27 lb/yd³
                     = 0.161 lb/gal (Imperial)
                     = 0.134 lb/gal (U.S)
   = 0.0121 ton/yd³

c)          1 slug/ft³ = 515.379 kg/m³

d)          1 kg/l = 62.43 lb/ft³

e)           1 kg/m³ = 0.001 g/cm³
                          = 1 g/ml
= 0.0005780 oz/in³
                          = 0.16036 oz/gal (Imperial)
                          = 0.1335 oz/gal (U.S.)
                          = 0.0624 lb/ft³
                          = 0.000036127 lb/in³
= 1.6856 lb/yd³
= 0.010022 lb/gal (Imperial)
                          = 0.008345 lb/gal (U.S)
= 0.0007525 ton/yd³

Capacitance, Conductance, Current

Capacitance

a)   1 ab farad = 1x10⁹ farad
                    = 1x10¹⁵ microfarad
                    = 8.98755x10²⁰ stat farad

b)   1 farad = 1x10^-9 ab farad
                 = 1.00049 farads (Int)
   = 1x10⁶ microfarad
                 = 8.98755x10¹¹ stat farad

Conductance

1 abmho = 1000 megamho

= 1x10⁹ mho

= 8.98755x10²⁰ statmho

Current

a) 1 ab ampere = 10 ampere

= 1.03638x10^-4 Faraday/sec(chem)

= 2.99792x10¹⁰ stat ampere

= 1 biot

b) 1 ampere = 0.1 ab ampere.

= 1.00015 ampere (Int)

= 1 coulomb/sec

= 1.03638x10^-5 Faraday/sec (chem) 1x10⁶ micro ampere

= 1000 milli ampere

= 2.99792x10⁹ stat ampere

c) 1 ampere (Int) = 0.99985 ampere

d) 1 biot = 10 ampere

Area

acre, are, barn, sq.ft., sq.in., foot², hectare, inch², mile², section, meter², township, yard², hectares

a) 1 m² = 1550 in²

= 10.764 ft²

= 1.1968 yd²

= 3.861x10^-7 mile²

b) 1 ft² = 0.0929 m²

= 144 in²

= 0.1111 yd²

= 3.587x10^-8 mile²

c) 1 in² = 6.452 cm²

= 6.452x10^-4 m²

= 6.944x10^-3 ft²

= 7.716x10^-4 yd²

= 2.491x10^-10 mile²

d) 1 yd² = 0.8361 m²

= 1296 in²

= 9 ft²

= 0.3228x10^-6 mile²

e) 1 mile² = 2.590x10⁶ m²

= 0.4015x10¹⁰ in²

= 2.788x10⁷ ft²

= 3.098x10⁶ yd²

=640 Acres

f) 1 acre = 1/640 square mile

= 0.404686 ha (Hectares)

= 4046.86 m²

= 43560.174 Sq.Ft. (Int)

= 43560 Sq.Ft. (US Survey)

= 4840 Sq.Yds.

= 40.46873 are

g) 1 km² = 10² ha²

= 10⁶ m²

= 10¹⁰ cm²

= 10¹² mm²

h) 1 ha (Hectare) = 10⁴ m²

= 10⁸ cm²

= 10¹⁰ mm²

= 2.471 Acres

i) 1 cm² = 10^-4 m²

= 0.155 in²

j) 1 mm² = 1.55x10^-3in²

k) 1 township = 36 square mile

= 23040 acre

= 36 section

= 9.323957 10⁷ m²

= 9324 hectare

= 93.24 square kilometer

l) 1 section = 1 square mile

= 2.59 10⁶ m²

= 2.59 square kilometer

= 259 hectare

= 3.0976 10⁶ square yards

= 640 acre

m) 1 are = 0.024711 acre (Int)

= 1 sq dekameter

= 1076.39 sq foot

= 100 sq meter

= 3.86102x10^-5 sq mile

= 119.599 sq yard

n) 1 barn = 1x10^-24 sq cm

o) 1 centiare = 0.01 are

= 10.764 sq foot

= 1550 sq inch

= 1 sq meter

= 1.19599 sq yard

p) 1 circular mil = 1x10^-6 circular inch

= 5.06707x10^-6 sq cm

= 7.85398x10^-7 sq inch

= 0.000507 sq mm

= 0.7854 sq mill

q) 1 hectare = 2.471 acre

= 100 are

= 1x10⁸ sq cm

= 107639.1 sq foot

= 10000 sq meter

= 0.00386 sq mile

= 395.367 sq rod

r) 1 rood = 1/4 acre

= 1011.5 m²

= 40 sq rods

= 40 sq perches

s) 1 sq rod = 1 sq perch

= 30¼ sq yards

= 25.2928 m²

= 1/160 acre

t) 1 arpent = about 0.85 acre

= 3439.1 m²

u) 1 Marla = 30.25 Sq. Yards

= 25.2928 Sq. Metres

= 272.25 Sq. Feet

= 0.00625 Acre

= 0.05 Kanal