| gallon-atmosphere (imperial) | 1 imp gal atm | 2 imp gal atm | 3 imp gal atm | 4 imp gal atm | 5 imp gal atm | 6 imp gal atm | 7 imp gal atm | 8 imp gal atm | 9 imp gal atm | 10 imp gal atm | 11 imp gal atm | 12 imp gal atm | 13 imp gal atm | 14 imp gal atm | 15 imp gal atm | 16 imp gal atm | 17 imp gal atm | 18 imp gal atm | 19 imp gal atm | 20 imp gal atm | 21 imp gal atm | 22 imp gal atm | 23 imp gal atm | 24 imp gal atm | 25 imp gal atm | 26 imp gal atm | 27 imp gal atm | 28 imp gal atm | 29 imp gal atm | 30 imp gal atm | 31 imp gal atm | 32 imp gal atm | 33 imp gal atm | 34 imp gal atm | 35 imp gal atm | 36 imp gal atm | 37 imp gal atm | 38 imp gal atm | 39 imp gal atm | 40 imp gal atm | 41 imp gal atm | 42 imp gal atm | 43 imp gal atm | 44 imp gal atm | 45 imp gal atm | 46 imp gal atm | 47 imp gal atm | 48 imp gal atm | 49 imp gal atm | 50 imp gal atm | 51 imp gal atm | 52 imp gal atm | 53 imp gal atm | 54 imp gal atm | 55 imp gal atm | 56 imp gal atm | 57 imp gal atm | 58 imp gal atm | 59 imp gal atm | 60 imp gal atm | 61 imp gal atm | 62 imp gal atm | 63 imp gal atm | 64 imp gal atm | 65 imp gal atm | 66 imp gal atm | 67 imp gal atm | 68 imp gal atm | 69 imp gal atm | 70 imp gal atm | 71 imp gal atm | 72 imp gal atm | 73 imp gal atm | 74 imp gal atm | 75 imp gal atm | 76 imp gal atm | 77 imp gal atm | 78 imp gal atm | 79 imp gal atm | 80 imp gal atm | 81 imp gal atm | 82 imp gal atm | 83 imp gal atm | 84 imp gal atm | 85 imp gal atm | 86 imp gal atm | 87 imp gal atm | 88 imp gal atm | 89 imp gal atm | 90 imp gal atm | 91 imp gal atm | 92 imp gal atm | 93 imp gal atm | 94 imp gal atm | 95 imp gal atm | 96 imp gal atm | 97 imp gal atm | 98 imp gal atm | 99 imp gal atm | 100 imp gal atm |
| hartree | 1.0565587549407 × 1020 Eh | 2.1131175098813 × 1020 Eh | 3.169676264822 × 1020 Eh | 4.2262350197626 × 1020 Eh | 5.2827937747033 × 1020 Eh | 6.3393525296439 × 1020 Eh | 7.3959112845846 × 1020 Eh | 8.4524700395253 × 1020 Eh | 9.5090287944659 × 1020 Eh | 1.0565587549407 × 1021 Eh | 1.1622146304347 × 1021 Eh | 1.2678705059288 × 1021 Eh | 1.3735263814229 × 1021 Eh | 1.4791822569169 × 1021 Eh | 1.584838132411 × 1021 Eh | 1.6904940079051 × 1021 Eh | 1.7961498833991 × 1021 Eh | 1.9018057588932 × 1021 Eh | 2.0074616343872 × 1021 Eh | 2.1131175098813 × 1021 Eh | 2.2187733853754 × 1021 Eh | 2.3244292608694 × 1021 Eh | 2.4300851363635 × 1021 Eh | 2.5357410118576 × 1021 Eh | 2.6413968873516 × 1021 Eh | 2.7470527628457 × 1021 Eh | 2.8527086383398 × 1021 Eh | 2.9583645138338 × 1021 Eh | 3.0640203893279 × 1021 Eh | 3.169676264822 × 1021 Eh | 3.275332140316 × 1021 Eh | 3.3809880158101 × 1021 Eh | 3.4866438913042 × 1021 Eh | 3.5922997667982 × 1021 Eh | 3.6979556422923 × 1021 Eh | 3.8036115177864 × 1021 Eh | 3.9092673932804 × 1021 Eh | 4.0149232687745 × 1021 Eh | 4.1205791442686 × 1021 Eh | 4.2262350197626 × 1021 Eh | 4.3318908952567 × 1021 Eh | 4.4375467707508 × 1021 Eh | 4.5432026462448 × 1021 Eh | 4.6488585217389 × 1021 Eh | 4.754514397233 × 1021 Eh | 4.860170272727 × 1021 Eh | 4.9658261482211 × 1021 Eh | 5.0714820237152 × 1021 Eh | 5.1771378992092 × 1021 Eh | 5.2827937747033 × 1021 Eh | 5.3884496501974 × 1021 Eh | 5.4941055256914 × 1021 Eh | 5.5997614011855 × 1021 Eh | 5.7054172766795 × 1021 Eh | 5.8110731521736 × 1021 Eh | 5.9167290276677 × 1021 Eh | 6.0223849031617 × 1021 Eh | 6.1280407786558 × 1021 Eh | 6.2336966541499 × 1021 Eh | 6.3393525296439 × 1021 Eh | 6.445008405138 × 1021 Eh | 6.5506642806321 × 1021 Eh | 6.6563201561261 × 1021 Eh | 6.7619760316202 × 1021 Eh | 6.8676319071143 × 1021 Eh | 6.9732877826083 × 1021 Eh | 7.0789436581024 × 1021 Eh | 7.1845995335965 × 1021 Eh | 7.2902554090905 × 1021 Eh | 7.3959112845846 × 1021 Eh | 7.5015671600787 × 1021 Eh | 7.6072230355727 × 1021 Eh | 7.7128789110668 × 1021 Eh | 7.8185347865609 × 1021 Eh | 7.9241906620549 × 1021 Eh | 8.029846537549 × 1021 Eh | 8.1355024130431 × 1021 Eh | 8.2411582885371 × 1021 Eh | 8.3468141640312 × 1021 Eh | 8.4524700395253 × 1021 Eh | 8.5581259150193 × 1021 Eh | 8.6637817905134 × 1021 Eh | 8.7694376660075 × 1021 Eh | 8.8750935415015 × 1021 Eh | 8.9807494169956 × 1021 Eh | 9.0864052924897 × 1021 Eh | 9.1920611679837 × 1021 Eh | 9.2977170434778 × 1021 Eh | 9.4033729189718 × 1021 Eh | 9.5090287944659 × 1021 Eh | 9.61468466996 × 1021 Eh | 9.720340545454 × 1021 Eh | 9.8259964209481 × 1021 Eh | 9.9316522964422 × 1021 Eh | 1.0037308171936 × 1022 Eh | 1.014296404743 × 1022 Eh | 1.0248619922924 × 1022 Eh | 1.0354275798418 × 1022 Eh | 1.0459931673913 × 1022 Eh | 1.0565587549407 × 1022 Eh |
The gallon-atmosphere (imperial) is the unit of Energy.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| gallon-atmosphere (imperial) | imp gal atm | ≡ 1 atm × 1 gal (imp) | = 460.63256925 J | Imperial/US |
| gallons-atmosphere (imperial) | hartrees | gallons-atmosphere (imperial) | hartrees |
|---|---|---|---|
| 1 | ≈ 1.0565587549407E+20 | 6 | ≈ 6.3393525296439E+20 |
| 2 | ≈ 2.1131175098813E+20 | 7 | ≈ 7.3959112845846E+20 |
| 3 | ≈ 3.169676264822E+20 | 8 | ≈ 8.4524700395253E+20 |
| 4 | ≈ 4.2262350197626E+20 | 9 | ≈ 9.5090287944659E+20 |
| 5 | ≈ 5.2827937747033E+20 | 10 | ≈ 1.0565587549407E+21 |
The hartree (symbol: Eh or Ha), also known as the Hartree energy, is the atomic unit of energy, named after the British physicist Douglas Hartree.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| hartree | Eh | ≡ me·α2·c2 (= 2 Ry) | ≈ 4.359744×10−18 J | Metric system Non-SI |
| hartrees | gallons-atmosphere (imperial) | hartrees | gallons-atmosphere (imperial) |
|---|---|---|---|
| 1 | ≈ 9.4646889756374E-21 | 6 | ≈ 5.6788133853824E-20 |
| 2 | ≈ 1.8929377951275E-20 | 7 | ≈ 6.6252822829462E-20 |
| 3 | ≈ 2.8394066926912E-20 | 8 | ≈ 7.5717511805099E-20 |
| 4 | ≈ 3.785875590255E-20 | 9 | ≈ 8.5182200780736E-20 |
| 5 | ≈ 4.7323444878187E-20 | 10 | ≈ 9.4646889756374E-20 |
| gallons-atmosphere (imperial) | hartrees |
|---|---|
| 1 | ≈ 1.0565587549407 × 1020 |
| 9.4646889756374 × 10-21 | ≈ 1 |
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |