Comment convertir des gallons en litres ?
Multipliez le nombre de gallons US par 3,785. Pour le gallon impérial, le facteur est 4,546. Vérifiez toujours de quel gallon il s'agit : l'écart de 20 % se voit sur un plein d'essence.
litres = gallons US × 3,785gallons US = litres × 0,2642
Où ces deux unités servent
Le litre n'appartient pas au système international, qui se contente de le tolérer : il vaut exactement un décimètre cube depuis 1964, après avoir été défini pendant soixante ans par la masse de l'eau, ce qui le rendait plus grand de vingt-huit millionièmes.
Volumes courants en gallons et litres
| 0,5 gal (brique de lait US) | 1,89 l |
| 1 gal | 3,79 l |
| 5 gal | 18,93 l |
| 10 gal | 37,85 l |
| 15 gal (réservoir) | 56,78 l |
| 20 gal | 75,71 l |
| 25 gal | 94,64 l |
| 31 gal (baril de bière US) | 117,35 l |
| 42 gal (baril de pétrole) | 158,99 l |
| 55 gal (fût US) | 208,20 l |
| 100 gal | 378,54 l |
Voir toutes les valeurs
- 1 gal = 3,785 l
- 2 gal = 7,571 l
- 3 gal = 11,356 l
- 4 gal = 15,142 l
- 5 gal = 18,927 l
- 6 gal = 22,712 l
- 7 gal = 26,498 l
- 8 gal = 30,283 l
- 9 gal = 34,069 l
- 10 gal = 37,854 l
- 11 gal = 41,64 l
- 12 gal = 45,425 l
- 13 gal = 49,21 l
- 14 gal = 52,996 l
- 15 gal = 56,781 l
- 16 gal = 60,567 l
- 17 gal = 64,352 l
- 18 gal = 68,137 l
- 19 gal = 71,923 l
- 20 gal = 75,708 l
- 21 gal = 79,494 l
- 22 gal = 83,279 l
- 23 gal = 87,064 l
- 24 gal = 90,85 l
- 25 gal = 94,635 l
- 26 gal = 98,421 l
- 27 gal = 102,206 l
- 28 gal = 105,992 l
- 29 gal = 109,777 l
- 30 gal = 113,562 l
- 31 gal = 117,348 l
- 32 gal = 121,133 l
- 33 gal = 124,919 l
- 34 gal = 128,704 l
- 35 gal = 132,489 l
- 36 gal = 136,275 l
- 37 gal = 140,06 l
- 38 gal = 143,846 l
- 39 gal = 147,631 l
- 40 gal = 151,416 l
- 41 gal = 155,202 l
- 42 gal = 158,987 l
- 43 gal = 162,773 l
- 44 gal = 166,558 l
- 45 gal = 170,344 l
- 46 gal = 174,129 l
- 47 gal = 177,914 l
- 48 gal = 181,7 l
- 49 gal = 185,485 l
- 50 gal = 189,271 l
- 51 gal = 193,056 l
- 52 gal = 196,841 l
- 53 gal = 200,627 l
- 54 gal = 204,412 l
- 55 gal = 208,198 l
- 56 gal = 211,983 l
- 57 gal = 215,768 l
- 58 gal = 219,554 l
- 59 gal = 223,339 l
- 60 gal = 227,125 l
- 61 gal = 230,91 l
- 62 gal = 234,696 l
- 63 gal = 238,481 l
- 64 gal = 242,266 l
- 65 gal = 246,052 l
- 66 gal = 249,837 l
- 67 gal = 253,623 l
- 68 gal = 257,408 l
- 69 gal = 261,193 l
- 70 gal = 264,979 l
- 71 gal = 268,764 l
- 72 gal = 272,55 l
- 73 gal = 276,335 l
- 74 gal = 280,12 l
- 75 gal = 283,906 l
- 76 gal = 287,691 l
- 77 gal = 291,477 l
- 78 gal = 295,262 l
- 79 gal = 299,048 l
- 80 gal = 302,833 l
- 81 gal = 306,618 l
- 82 gal = 310,404 l
- 83 gal = 314,189 l
- 84 gal = 317,975 l
- 85 gal = 321,76 l
- 86 gal = 325,545 l
- 87 gal = 329,331 l
- 88 gal = 333,116 l
- 89 gal = 336,902 l
- 90 gal = 340,687 l
- 91 gal = 344,472 l
- 92 gal = 348,258 l
- 93 gal = 352,043 l
- 94 gal = 355,829 l
- 95 gal = 359,614 l
- 96 gal = 363,4 l
- 97 gal = 367,185 l
- 98 gal = 370,97 l
- 99 gal = 374,756 l
- 100 gal = 378,541 l
- 101 gal = 382,327 l
- 102 gal = 386,112 l
- 103 gal = 389,897 l
- 104 gal = 393,683 l
- 105 gal = 397,468 l
- 106 gal = 401,254 l
- 107 gal = 405,039 l
- 108 gal = 408,824 l
- 109 gal = 412,61 l
- 110 gal = 416,395 l
- 111 gal = 420,181 l
- 112 gal = 423,966 l
- 113 gal = 427,752 l
- 114 gal = 431,537 l
- 115 gal = 435,322 l
- 116 gal = 439,108 l
- 117 gal = 442,893 l
- 118 gal = 446,679 l
- 119 gal = 450,464 l
- 120 gal = 454,249 l
- 121 gal = 458,035 l
- 122 gal = 461,82 l
- 123 gal = 465,606 l
- 124 gal = 469,391 l
- 125 gal = 473,176 l
- 126 gal = 476,962 l
- 127 gal = 480,747 l
- 128 gal = 484,533 l
- 129 gal = 488,318 l
- 130 gal = 492,104 l
- 131 gal = 495,889 l
- 132 gal = 499,674 l
- 133 gal = 503,46 l
- 134 gal = 507,245 l
- 135 gal = 511,031 l
- 136 gal = 514,816 l
- 137 gal = 518,601 l
- 138 gal = 522,387 l
- 139 gal = 526,172 l
- 140 gal = 529,958 l
- 141 gal = 533,743 l
- 142 gal = 537,528 l
- 143 gal = 541,314 l
- 144 gal = 545,099 l
- 145 gal = 548,885 l
- 146 gal = 552,67 l
- 147 gal = 556,456 l
- 148 gal = 560,241 l
- 149 gal = 564,026 l
- 150 gal = 567,812 l
- 151 gal = 571,597 l
- 152 gal = 575,383 l
- 153 gal = 579,168 l
- 154 gal = 582,953 l
- 155 gal = 586,739 l
- 156 gal = 590,524 l
- 157 gal = 594,31 l
- 158 gal = 598,095 l
- 159 gal = 601,88 l
- 160 gal = 605,666 l
- 161 gal = 609,451 l
- 162 gal = 613,237 l
- 163 gal = 617,022 l
- 164 gal = 620,808 l
- 165 gal = 624,593 l
- 166 gal = 628,378 l
- 167 gal = 632,164 l
- 168 gal = 635,949 l
- 169 gal = 639,735 l
- 170 gal = 643,52 l
- 171 gal = 647,305 l
- 172 gal = 651,091 l
- 173 gal = 654,876 l
- 174 gal = 658,662 l
- 175 gal = 662,447 l
- 176 gal = 666,232 l
- 177 gal = 670,018 l
- 178 gal = 673,803 l
- 179 gal = 677,589 l
- 180 gal = 681,374 l
- 181 gal = 685,16 l
- 182 gal = 688,945 l
- 183 gal = 692,73 l
- 184 gal = 696,516 l
- 185 gal = 700,301 l
- 186 gal = 704,087 l
- 187 gal = 707,872 l
- 188 gal = 711,657 l
- 189 gal = 715,443 l
- 190 gal = 719,228 l
- 191 gal = 723,014 l
- 192 gal = 726,799 l
- 193 gal = 730,584 l
- 194 gal = 734,37 l
- 195 gal = 738,155 l
- 196 gal = 741,941 l
- 197 gal = 745,726 l
- 198 gal = 749,512 l
- 199 gal = 753,297 l
- 200 gal = 757,082 l
- 205 gal = 776,009 l
- 210 gal = 794,936 l
- 215 gal = 813,864 l
- 220 gal = 832,791 l
- 225 gal = 851,718 l
- 230 gal = 870,645 l
- 235 gal = 889,572 l
- 240 gal = 908,499 l
- 245 gal = 927,426 l
- 250 gal = 946,353 l
- 255 gal = 965,28 l
- 260 gal = 984,207 l
- 265 gal = 1 003,134 l
- 270 gal = 1 022,061 l
- 275 gal = 1 040,988 l
- 280 gal = 1 059,915 l
- 285 gal = 1 078,842 l
- 290 gal = 1 097,769 l
- 295 gal = 1 116,696 l
- 300 gal = 1 135,624 l
- 305 gal = 1 154,551 l
- 310 gal = 1 173,478 l
- 315 gal = 1 192,405 l
- 320 gal = 1 211,332 l
- 325 gal = 1 230,259 l
- 330 gal = 1 249,186 l
- 335 gal = 1 268,113 l
- 340 gal = 1 287,04 l
- 345 gal = 1 305,967 l
- 350 gal = 1 324,894 l
- 355 gal = 1 343,821 l
- 360 gal = 1 362,748 l
- 365 gal = 1 381,675 l
- 370 gal = 1 400,602 l
- 375 gal = 1 419,529 l
- 380 gal = 1 438,456 l
- 385 gal = 1 457,384 l
- 390 gal = 1 476,311 l
- 395 gal = 1 495,238 l
- 400 gal = 1 514,165 l
- 405 gal = 1 533,092 l
- 410 gal = 1 552,019 l
- 415 gal = 1 570,946 l
- 420 gal = 1 589,873 l
- 425 gal = 1 608,8 l
- 430 gal = 1 627,727 l
- 435 gal = 1 646,654 l
- 440 gal = 1 665,581 l
- 445 gal = 1 684,508 l
- 450 gal = 1 703,435 l
- 455 gal = 1 722,362 l
- 460 gal = 1 741,289 l
- 465 gal = 1 760,216 l
- 470 gal = 1 779,144 l
- 475 gal = 1 798,071 l
- 480 gal = 1 816,998 l
- 485 gal = 1 835,925 l
- 490 gal = 1 854,852 l
- 495 gal = 1 873,779 l
- 500 gal = 1 892,706 l
- 510 gal = 1 930,56 l
- 520 gal = 1 968,414 l
- 530 gal = 2 006,268 l
- 540 gal = 2 044,122 l
- 550 gal = 2 081,976 l
- 560 gal = 2 119,831 l
- 570 gal = 2 157,685 l
- 580 gal = 2 195,539 l
- 590 gal = 2 233,393 l
- 600 gal = 2 271,247 l
- 610 gal = 2 309,101 l
- 620 gal = 2 346,955 l
- 630 gal = 2 384,809 l
- 640 gal = 2 422,664 l
- 650 gal = 2 460,518 l
- 660 gal = 2 498,372 l
- 670 gal = 2 536,226 l
- 680 gal = 2 574,08 l
- 690 gal = 2 611,934 l
- 700 gal = 2 649,788 l
- 710 gal = 2 687,642 l
- 720 gal = 2 725,496 l
- 730 gal = 2 763,351 l
- 740 gal = 2 801,205 l
- 750 gal = 2 839,059 l
- 760 gal = 2 876,913 l
- 770 gal = 2 914,767 l
- 780 gal = 2 952,621 l
- 790 gal = 2 990,475 l
- 800 gal = 3 028,329 l
- 810 gal = 3 066,184 l
- 820 gal = 3 104,038 l
- 830 gal = 3 141,892 l
- 840 gal = 3 179,746 l
- 850 gal = 3 217,6 l
- 860 gal = 3 255,454 l
- 870 gal = 3 293,308 l
- 880 gal = 3 331,162 l
- 890 gal = 3 369,016 l
- 900 gal = 3 406,871 l
- 910 gal = 3 444,725 l
- 920 gal = 3 482,579 l
- 930 gal = 3 520,433 l
- 940 gal = 3 558,287 l
- 950 gal = 3 596,141 l
- 960 gal = 3 633,995 l
- 970 gal = 3 671,849 l
- 980 gal = 3 709,704 l
- 990 gal = 3 747,558 l
- 1 000 gal = 3 785,412 l
- 1 025 gal = 3 880,047 l
- 1 050 gal = 3 974,682 l
- 1 075 gal = 4 069,318 l
- 1 100 gal = 4 163,953 l
- 1 125 gal = 4 258,588 l
- 1 150 gal = 4 353,224 l
- 1 175 gal = 4 447,859 l
- 1 200 gal = 4 542,494 l
- 1 225 gal = 4 637,129 l
- 1 250 gal = 4 731,765 l
- 1 275 gal = 4 826,4 l
- 1 300 gal = 4 921,035 l
- 1 325 gal = 5 015,671 l
- 1 350 gal = 5 110,306 l
- 1 375 gal = 5 204,941 l
- 1 400 gal = 5 299,576 l
- 1 425 gal = 5 394,212 l
- 1 450 gal = 5 488,847 l
- 1 475 gal = 5 583,482 l
- 1 500 gal = 5 678,118 l
- 1 525 gal = 5 772,753 l
- 1 550 gal = 5 867,388 l
- 1 575 gal = 5 962,024 l
- 1 600 gal = 6 056,659 l
- 1 625 gal = 6 151,294 l
- 1 650 gal = 6 245,929 l
- 1 675 gal = 6 340,565 l
- 1 700 gal = 6 435,2 l
- 1 725 gal = 6 529,835 l
- 1 750 gal = 6 624,471 l
- 1 775 gal = 6 719,106 l
- 1 800 gal = 6 813,741 l
- 1 825 gal = 6 908,377 l
- 1 850 gal = 7 003,012 l
- 1 875 gal = 7 097,647 l
- 1 900 gal = 7 192,282 l
- 1 925 gal = 7 286,918 l
- 1 950 gal = 7 381,553 l
- 1 975 gal = 7 476,188 l
- 2 000 gal = 7 570,824 l
- 2 050 gal = 7 760,094 l
- 2 100 gal = 7 949,365 l
- 2 150 gal = 8 138,635 l
- 2 200 gal = 8 327,906 l
- 2 250 gal = 8 517,177 l
- 2 300 gal = 8 706,447 l
- 2 350 gal = 8 895,718 l
- 2 400 gal = 9 084,988 l
- 2 450 gal = 9 274,259 l
- 2 500 gal = 9 463,529 l
- 2 550 gal = 9 652,8 l
- 2 600 gal = 9 842,071 l
- 2 650 gal = 10 031,341 l
- 2 700 gal = 10 220,612 l
- 2 750 gal = 10 409,882 l
- 2 800 gal = 10 599,153 l
- 2 850 gal = 10 788,424 l
- 2 900 gal = 10 977,694 l
- 2 950 gal = 11 166,965 l
- 3 000 gal = 11 356,235 l
- 3 050 gal = 11 545,506 l
- 3 100 gal = 11 734,777 l
- 3 150 gal = 11 924,047 l
- 3 200 gal = 12 113,318 l
- 3 250 gal = 12 302,588 l
- 3 300 gal = 12 491,859 l
- 3 350 gal = 12 681,129 l
- 3 400 gal = 12 870,4 l
- 3 450 gal = 13 059,671 l
- 3 500 gal = 13 248,941 l
- 3 550 gal = 13 438,212 l
- 3 600 gal = 13 627,482 l
- 3 650 gal = 13 816,753 l
- 3 700 gal = 14 006,024 l
- 3 750 gal = 14 195,294 l
- 3 800 gal = 14 384,565 l
- 3 850 gal = 14 573,835 l
- 3 900 gal = 14 763,106 l
- 3 950 gal = 14 952,377 l
- 4 000 gal = 15 141,647 l
- 4 050 gal = 15 330,918 l
- 4 100 gal = 15 520,188 l
- 4 150 gal = 15 709,459 l
- 4 200 gal = 15 898,729 l
- 4 250 gal = 16 088 l
- 4 300 gal = 16 277,271 l
- 4 350 gal = 16 466,541 l
- 4 400 gal = 16 655,812 l
- 4 450 gal = 16 845,082 l
- 4 500 gal = 17 034,353 l
- 4 550 gal = 17 223,624 l
- 4 600 gal = 17 412,894 l
- 4 650 gal = 17 602,165 l
- 4 700 gal = 17 791,435 l
- 4 750 gal = 17 980,706 l
- 4 800 gal = 18 169,977 l
- 4 850 gal = 18 359,247 l
- 4 900 gal = 18 548,518 l
- 4 950 gal = 18 737,788 l
- 5 000 gal = 18 927,059 l
- 5 100 gal = 19 305,6 l
- 5 200 gal = 19 684,141 l
- 5 300 gal = 20 062,682 l
- 5 400 gal = 20 441,224 l
- 5 500 gal = 20 819,765 l
- 5 600 gal = 21 198,306 l
- 5 700 gal = 21 576,847 l
- 5 800 gal = 21 955,388 l
- 5 900 gal = 22 333,93 l
- 6 000 gal = 22 712,471 l
- 6 100 gal = 23 091,012 l
- 6 200 gal = 23 469,553 l
- 6 300 gal = 23 848,094 l
- 6 400 gal = 24 226,635 l
- 6 500 gal = 24 605,177 l
- 6 600 gal = 24 983,718 l
- 6 700 gal = 25 362,259 l
- 6 800 gal = 25 740,8 l
- 6 900 gal = 26 119,341 l
- 7 000 gal = 26 497,882 l
- 7 100 gal = 26 876,424 l
- 7 200 gal = 27 254,965 l
- 7 300 gal = 27 633,506 l
- 7 400 gal = 28 012,047 l
- 7 500 gal = 28 390,588 l
- 7 600 gal = 28 769,13 l
- 7 700 gal = 29 147,671 l
- 7 800 gal = 29 526,212 l
- 7 900 gal = 29 904,753 l
- 8 000 gal = 30 283,294 l
- 8 100 gal = 30 661,835 l
- 8 200 gal = 31 040,377 l
- 8 300 gal = 31 418,918 l
- 8 400 gal = 31 797,459 l
- 8 500 gal = 32 176 l
- 8 600 gal = 32 554,541 l
- 8 700 gal = 32 933,083 l
- 8 800 gal = 33 311,624 l
- 8 900 gal = 33 690,165 l
- 9 000 gal = 34 068,706 l
- 9 100 gal = 34 447,247 l
- 9 200 gal = 34 825,788 l
- 9 300 gal = 35 204,33 l
- 9 400 gal = 35 582,871 l
- 9 500 gal = 35 961,412 l
- 9 600 gal = 36 339,953 l
- 9 700 gal = 36 718,494 l
- 9 800 gal = 37 097,035 l
- 9 900 gal = 37 475,577 l
- 10 000 gal = 37 854,118 l
Le gallon américain vaut exactement 3,785411784 litres, le gallon impérial 4,54609 litres depuis sa redéfinition de 1985. Les deux valeurs sont exactes par définition. Méthodologie & sources.
Questions fréquentes
Gallon américain ou gallon impérial ?
L'américain fait 3,785 l, l'impérial 4,546 l. Les sites et recettes des États-Unis parlent du premier, le Royaume-Uni et le Canada souvent du second. L'écart de 20 % change tout sur un réservoir.
Pourquoi le baril de pétrole fait-il 159 litres ?
Parce qu'il vaut 42 gallons américains, un standard hérité des tonneaux de whisky réutilisés dans les premiers champs pétrolifères de Pennsylvanie vers 1860. Le chiffre n'a rien de métrique et n'a jamais été révisé.
Comment lire une consommation en miles par gallon ?
Divisez 235,2 par la valeur en miles par gallon pour obtenir des litres aux 100 km. Une voiture à 30 mpg consomme 7,8 l/100 km. Les deux échelles vont en sens inverse.
Pourquoi le gallon américain vaut-il 3,785 litres ?
Parce qu'il descend du gallon à vin anglais, fixé à 231 pouces cubes par une loi de la reine Anne en 1707. Les États-Unis l'ont gardé tel quel après l'indépendance, tandis que le Royaume-Uni a effacé ses dizaines de gallons locaux en 1824 au profit d'un gallon unique, plus grand. Ces 231 pouces cubes donnent 3,785411784 litres, valeur exacte et non arrondie.
Un gallon d'essence dépend-il de la température ?
En volume, oui. L'essence se dilate d'environ 0,1 % par degré : entre 15 et 30 °C, le même gallon contient à peu près 1,4 % de matière en moins. Le commerce de gros règle la question en facturant des gallons nets ramenés à 60 °F, soit 15,6 °C, alors que les pompes de détail nord-américaines mesurent le plus souvent le volume brut, tel qu'il sort du pistolet.