Conversion of energy units

unit
Hartree
kJ mol-1
kcal mol-1
eV
cm-1
THz
 kT at 293K
Hartree
1
2625.5
627.5
27.21
2.195 x 105
kJ mol-1
3.809 x 10-4 
1
0.239
1.036 x 10-2
83.59
kcal mol-1
1.594 x 10-3
4.184
1
4.336 x 10-2 
349.8
eV
3.675 x 10-2
96.485
23.06
1
8065.5
242
 40
cm-1
4.556 x 10-6
1.196 x 10-2
2.859 x 10-3
1.240 x 10-4
1
    THz


4.136 e-3
1
kT at 292K
0.41
25.2 e-3

1


Conversion: pressure units (wikipedia)

 Pascal Bar Technical atmosphere Standard atmosphere Torr Pounds per square inch
(Pa) (bar) (at) (atm) (Torr) (lbf/in2)
1 Pa ≡ 1 N/m2 10−5 1.0197×10−5 9.8692×10−6 7.5006×10−3 0.000 145 037 737 730
1 bar 105 ≡ 100 kPa

≡ 106 dyn/cm2

1.0197 0.98692 750.06 14.503 773 773 022
1 at 98066.5 0.980665 ≡ 1 kgf/cm2 0.967 841 105 354 1 735.559 240 1 14.223 343 307 120 3
1 atm 101325 1.01325 1.0332 1 760 14.695 948 775 514 2
1 Torr 133.322 368 421 0.001 333 224 0.001 359 51 1/760 ≈ 0.001 315 789 1 Torr

≈ 1 mmHg

0.019 336 775
1 lbf/in2 6894.757 293 168 0.068 947 573 0.070 306 958 0.068 045 964 51.714 932 572 ≡ 1 lbf/in2


Conversion: magnetic field units

  ReadingG
mT
Oe
kA/m
1G
Gauss−
0.1
1
0.07977
1mTmilli Tesla10
−
10
0.7977
1OeOersted1
0.1
−
0.07977
1kA/mkilo Ampere per meter12.541.25412.54−