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UZUNLUK ( length )
1 km = 1000 m = 105 cm = 106 mm = 109 m = 1012 nm = 1013 Ao
1 m = 100 cm = 1000 mm = 106 m = 109 nm = 1010 Ao = 39,37 in = 3,2808 ft = 6,215x104
1 mil = 1,0936 yd
1 cm = 0,01 m = 10 mm = 104 m = 106 nm = 108 Ao = 0,3937 in = 0,032808 ft = 0,010936
1 yd = 6,2x106 mil
1 mm = 103 m = 0,1 cm = 1000 m = 106 nm = 107 Ao
1 in = 2,54 cm = 0,0254 m = 0,08333 ft = 0,02777 yd
1 ft = 30,48 cm = 0,3048 m = 12 in = 0,3333 yd
1 yd ( yarda veya yard ) = 91,44 cm = 0,9144 m = 36 in = 3 ft
1 mil = 1609 m = 5278,8713 ft = 63346,4566 in = 1,609 km
1 m ( mikrometre ) = 106 m = 1000 nm = 104 Ao
1 Ao ( Angstrm ) = 1010 m = 104 m = 0,1 nm
1 nm ( nanometre ) = 109 m = 10 Ao = 103 m
ALAN ( area )
1 m2 = 104 cm2 = 1550 in2 = 10,7639 ft2
1 cm2 = 104 m2 = 0,155 in2 = 1,076x103 ft2 = 108 Ha = 0,3857x1010 mil2
1 Ha ( hektar ) = 104 m2 = 108 cm2 = 100 Ar
1 a ( Ar ) = 100 m2
1 in2 = 6,4516x104 m2 = 6,9438x103 ft2 = 6,4516 cm2 = 6,4516x108 Ha
1 ft2 = 0,0929 m2 = 929,0304 cm2 = 144 in2 = 9,29x106 Ha = 0,359x107 mil2
1 dnm = 919 m2
HACM ( volume )
1 lt ( litre ) = 1000 ml = 1 dm3 = 1000 cm3 = 103 m3
1 ml = 1 cm3
1 m3 = 1000 lt = 1000 dm3 = 35,315 ft3 = 61024,32 in3 = 106 cm3 = 264,2 U.S. galon
1 cm3 = 106 m3 = 103 lt = 0,061 in3 =
1 ft3 = 1728 in3 = 28,3168 lt = 7,481 U.S. galon = 0,028316 m3 = 6,2289 ngiliz galon =
28,32 lt
1 in3 = 16,387 cm3 = 16,387 ml
1 U.S. galon = 3,785 lt = 3,785x103 m3
1 ngiliz galon = 4,546 lt = 4,546x103 m3
1 bbl ( barrel veya varil ) = 159 lt = 42 U.S. galon = 34,9758 ngiliz galon
KTLE ( mass )
1 ton = 1000 kg = 106 gr = 109 mg = 2,304 lbm
1 kg = 1000 gr = 106 mg = 2,20458 lbm
1 gr = 1000 mg = 103 kg
1 mg = 103 gr = 106 kg
1 US ton ( short ton ) = 907,1847 kg = 2000 lbm
1 slug = 14,5939 kg = 14593,9 gr
1 lbm ( libre mass veya pound mass ) = 453,6 gr = 0,4536 kg = 7000 grains = 16 ons
1 ons ( oz ) = 28,55 gr
KUVVET ( force )
Uyar: Newton kanununa gre F = m*a dr. Bu denklemden hareketle aadaki dnm
yaplr.
1 N ( Newton ) = 1 kg*( m/sn2 ) = 105 dyn = 0,102 kgf = 0,2248 lbf
1 dyn ( din ) = 105 N = 2,2481x106 lbf = 7,233x105 poundal
1 kgf ( kilogram force ) = 9,81 N = 9,81x105 dyn = 2,205 lbf
1 lbf ( libre force veya pound force ) = 4,448 N = 444800 dyn = 0,4534 kgf
BASIN ( pressure )
1 atm ( atmosfer ) = 76 cm-Hg = 760 mm-Hg = 760 torr = 1,01325x105 Pa = 1,03323 at =
14,7 psi
1 torr = 1 mm-Hg = 133,3223 Pa = 1,3157x103 atm
Uyar: Basn birim yzey alana etki eden dik kuvvettir. Yani P = F / A ise bu
denklemden hareketle aadaki dnm yaplr.
1 Pa ( Pascal ) = 1 N/m2 = 9,869x106 atm = 105 bar
1 bar = 105 Pa = 0,9869 atm = 750 torr = 750 mm-Hg = 75 cm-Hg = 100 kPa
1 at ( atm teknik ) = 1 kgf/cm2 = 0,98066x105 Pa = 0,9678 atm
1 psi = 1 lbf/in2 = 6891 Pa = 0,068046 atm = 0,06891 bar
1 ft-H2O = 2990 Pa
1 in-Hg = 3390 Pa
1 lbf/ft2 = 47,88 Pa
1 cm-su = 98,1 Pa
1 at = 1 atm
HIZ ( velocity )
1 km/h = 0,27777 m/sn
1 m/sn = 3,6 km/h
1 knot = 0,5155 m/sn = 1,8558 km/h
YOUNLUK ( Z KTLE )
1 kg/m3 = 103 gr/cm3 = 0,008344 lbm/galon
1 gr/cm3 = 1000 kg/cm3 = 62,428 lbm/ft3
1 lbm/galon = 119,84 kg/m3 = 7,4764 lbm/ft3
1 lbm/ft3 = 16,029 kg/m3 = 0,13375 lbm/galon
KNEMATK VSKOZTE
1 m2 / sn = 104 cm2 / sn = 1550 in2 / sn = 10,7639 ft2 / sn
1 stok = 1 cm2 / sn = 100 cstok = 104 m2/sn
1 cstok ( centistok ) = 102 stok
HACMSEL DEB
1 m3 / sn = 106 cm3 / sn = 35,3157 ft3 / sn = 1000 lt / sn = 264,2 galon / sn
1 m3 / sa = 2,777x104 m3 / sn = 264,2 galon / sa
1 galon / sa = 1,05x106 m3/sn
KTLESEL DEB
1 kg / sn = 1000 gr / sn = 2,20458 lbm / sn
1 lbm / sa = 0,4536 kg / sa
ZGL HACM
zgl hacim younluun tersidir. Yani birim ktlenin hacmidir.
KTLESEL AKI
1 gr / ( sn*cm2) = 7373,4 lbm / (sa*ft2) = 103 kg / (sn*cm2)
MOLAR AKI
1 mol / (sn*cm2) = 103 kmol / (sn*cm2) = 10 kmol / (sn*m2) = 7373,4 lbmol / (sa*ft2)
DFZYON KATSAYISI
1 m2 / sn = 104 cm2 / sn
1 cm2 / sn = 104 m2 / sn = 3,875 ft2 / h
ZAMAN
1 sa = 3600 sn = 60 dk
1 dk = 60 sn
SICAKLIK
Derece Celsius = TC
Derece Kelvin = TK
Derece Rankine = TR
Derece Fahrenheit = TF
TK = TC + 273,15
TF = ( TC * 1,8 ) + 32
TR = TF + 459,67
TR = TK * 1,8
ENERJ, VE ISI
1 cal ( kalori ) = 4,184 j = 1,16x106 (kw*sa) = 0,427 (kgf*m) = 3,96x103 Btu = 0,0412
(lt*atm) = 3,08 (lbf*ft)
1 j ( joule ) = 0,239 cal = 9,37x103 (lt*atm) = 9,48x104 Btu = 0,102 (kgf*m) = 0,7376
(lbf*ft) = 2,78x107 (kw*sa)
1 Btu = 1054,6 j = 252 cal = 10,403 (lt*atm) = 107,55 (kgf*m) = 777,9 (lbf*ft) = 2,93x104
(kw*sa)
1 ( lt*atm ) = 101,3 j = 24,22 cal = 10,33 (kgf*m) = 0,0961 Btu = 74,74 (lbf*ft) = 2,81x105
(kw*sa)
1 ( kw*sa ) = 3,6x106 j = 8,6x105 cal = 3,55x104 (lt*atm) = 3,41x103 Btu = 3,67x105 (kgf*m)
= 2,655x106 (lbf*ft) = 3,6 Mj = 1,341 (hp*sa)
1 ( kgf*m ) = 9,806 j = 2,72x106 (kw*sa) = 2,343 cal = 0,0965 (lt*atm) = 7,22 (lbf*ft) =
9,298x103 Btu
1 ( lbf*ft ) = 1,356 j = 0,1382 (kgf*m) = 0,324 cal = 0,0134 (lt*atm) = 3,77x107 (kw*sa) =
1,29x103 Btu
1 erg = 107 j
1 ( hp*sa) = 0,7455 (kw*sa)
G
1 hp ( Beygir Gc ) = 76,04 (kgf*m) / sn = 0,7457 kw = 745,7 w = 0,1782 kcal / sn = 178,2
cal / sn = 0,7057 Btu / sn = 550 (lbf*ft) / sn
1 kw = 1000 w = 1,341 hp = 1,944 (kgf*m) / sn = 0,239 kcal / sn = 0,9479 Btu / sn = 738
(lbf*ft) / sn
1 kcal / sn = 1000 cal / sn = 5,614 hp = 427 (kgf*m) / sn = 4,176 kw = 3,968 Btu / sn = 3080
(lbf*ft) / sn
1 Btu / sn = 1,417 hp = 107,55 (kgf*m) / sn = 1,055 kw = 0,252 kcal / sn = 777,9 (lbf*ft) / sn
1 ( kgf*m ) / sn = 0,01315 hp = 97,9x103 kw = 97,9 w = 2,34 cal / sn = 9,3x103 Btu / sn =
7,23 (lbf*ft) / sn
1 erg / sn = 107 w
1 ( lbf*ft) / sn = 1,82x103 hp = 0,1383 (kgf*m) / sn = 1,36 w = 0,325 cal / sn = 1,28x103
Btu / sn
AKIM DDET
1 Amper = 0,1 abamp = C (coulomb) / sn
Fatih KAYA
Kimya Mhendisi