| imperial barrel | 1 bl (imp) | 2 bl (imp) | 3 bl (imp) | 4 bl (imp) | 5 bl (imp) | 6 bl (imp) | 7 bl (imp) | 8 bl (imp) | 9 bl (imp) | 10 bl (imp) | 11 bl (imp) | 12 bl (imp) | 13 bl (imp) | 14 bl (imp) | 15 bl (imp) | 16 bl (imp) | 17 bl (imp) | 18 bl (imp) | 19 bl (imp) | 20 bl (imp) | 21 bl (imp) | 22 bl (imp) | 23 bl (imp) | 24 bl (imp) | 25 bl (imp) | 26 bl (imp) | 27 bl (imp) | 28 bl (imp) | 29 bl (imp) | 30 bl (imp) | 31 bl (imp) | 32 bl (imp) | 33 bl (imp) | 34 bl (imp) | 35 bl (imp) | 36 bl (imp) | 37 bl (imp) | 38 bl (imp) | 39 bl (imp) | 40 bl (imp) | 41 bl (imp) | 42 bl (imp) | 43 bl (imp) | 44 bl (imp) | 45 bl (imp) | 46 bl (imp) | 47 bl (imp) | 48 bl (imp) | 49 bl (imp) | 50 bl (imp) | 51 bl (imp) | 52 bl (imp) | 53 bl (imp) | 54 bl (imp) | 55 bl (imp) | 56 bl (imp) | 57 bl (imp) | 58 bl (imp) | 59 bl (imp) | 60 bl (imp) | 61 bl (imp) | 62 bl (imp) | 63 bl (imp) | 64 bl (imp) | 65 bl (imp) | 66 bl (imp) | 67 bl (imp) | 68 bl (imp) | 69 bl (imp) | 70 bl (imp) | 71 bl (imp) | 72 bl (imp) | 73 bl (imp) | 74 bl (imp) | 75 bl (imp) | 76 bl (imp) | 77 bl (imp) | 78 bl (imp) | 79 bl (imp) | 80 bl (imp) | 81 bl (imp) | 82 bl (imp) | 83 bl (imp) | 84 bl (imp) | 85 bl (imp) | 86 bl (imp) | 87 bl (imp) | 88 bl (imp) | 89 bl (imp) | 90 bl (imp) | 91 bl (imp) | 92 bl (imp) | 93 bl (imp) | 94 bl (imp) | 95 bl (imp) | 96 bl (imp) | 97 bl (imp) | 98 bl (imp) | 99 bl (imp) | 100 bl (imp) |
| zettaliter | 1.6365924 × 10-19 ZL | 3.2731848 × 10-19 ZL | 4.9097772 × 10-19 ZL | 6.5463696 × 10-19 ZL | 8.182962 × 10-19 ZL | 9.8195544 × 10-19 ZL | 1.14561468 × 10-18 ZL | 1.30927392 × 10-18 ZL | 1.47293316 × 10-18 ZL | 1.6365924 × 10-18 ZL | 1.80025164 × 10-18 ZL | 1.96391088 × 10-18 ZL | 2.12757012 × 10-18 ZL | 2.29122936 × 10-18 ZL | 2.4548886 × 10-18 ZL | 2.61854784 × 10-18 ZL | 2.78220708 × 10-18 ZL | 2.94586632 × 10-18 ZL | 3.10952556 × 10-18 ZL | 3.2731848 × 10-18 ZL | 3.43684404 × 10-18 ZL | 3.60050328 × 10-18 ZL | 3.76416252 × 10-18 ZL | 3.92782176 × 10-18 ZL | 4.091481 × 10-18 ZL | 4.25514024 × 10-18 ZL | 4.41879948 × 10-18 ZL | 4.58245872 × 10-18 ZL | 4.74611796 × 10-18 ZL | 4.9097772 × 10-18 ZL | 5.07343644 × 10-18 ZL | 5.23709568 × 10-18 ZL | 5.40075492 × 10-18 ZL | 5.56441416 × 10-18 ZL | 5.7280734 × 10-18 ZL | 5.89173264 × 10-18 ZL | 6.05539188 × 10-18 ZL | 6.21905112 × 10-18 ZL | 6.38271036 × 10-18 ZL | 6.5463696 × 10-18 ZL | 6.71002884 × 10-18 ZL | 6.87368808 × 10-18 ZL | 7.03734732 × 10-18 ZL | 7.20100656 × 10-18 ZL | 7.3646658 × 10-18 ZL | 7.52832504 × 10-18 ZL | 7.69198428 × 10-18 ZL | 7.85564352 × 10-18 ZL | 8.01930276 × 10-18 ZL | 8.182962 × 10-18 ZL | 8.34662124 × 10-18 ZL | 8.51028048 × 10-18 ZL | 8.67393972 × 10-18 ZL | 8.83759896 × 10-18 ZL | 9.0012582 × 10-18 ZL | 9.16491744 × 10-18 ZL | 9.32857668 × 10-18 ZL | 9.49223592 × 10-18 ZL | 9.65589516 × 10-18 ZL | 9.8195544 × 10-18 ZL | 9.98321364 × 10-18 ZL | 1.014687288 × 10-17 ZL | 1.031053212 × 10-17 ZL | 1.047419136 × 10-17 ZL | 1.06378506 × 10-17 ZL | 1.080150984 × 10-17 ZL | 1.096516908 × 10-17 ZL | 1.112882832 × 10-17 ZL | 1.129248756 × 10-17 ZL | 1.14561468 × 10-17 ZL | 1.161980604 × 10-17 ZL | 1.178346528 × 10-17 ZL | 1.194712452 × 10-17 ZL | 1.211078376 × 10-17 ZL | 1.2274443 × 10-17 ZL | 1.243810224 × 10-17 ZL | 1.260176148 × 10-17 ZL | 1.276542072 × 10-17 ZL | 1.292907996 × 10-17 ZL | 1.30927392 × 10-17 ZL | 1.325639844 × 10-17 ZL | 1.342005768 × 10-17 ZL | 1.358371692 × 10-17 ZL | 1.374737616 × 10-17 ZL | 1.39110354 × 10-17 ZL | 1.407469464 × 10-17 ZL | 1.423835388 × 10-17 ZL | 1.440201312 × 10-17 ZL | 1.456567236 × 10-17 ZL | 1.47293316 × 10-17 ZL | 1.489299084 × 10-17 ZL | 1.505665008 × 10-17 ZL | 1.522030932 × 10-17 ZL | 1.538396856 × 10-17 ZL | 1.55476278 × 10-17 ZL | 1.571128704 × 10-17 ZL | 1.587494628 × 10-17 ZL | 1.603860552 × 10-17 ZL | 1.620226476 × 10-17 ZL | 1.6365924 × 10-17 ZL |
A barrel is one of several units of volume applied in various contexts; there are dry barrels, fluid barrels (such as the UK beer barrel and US beer barrel), oil barrels and so on. For historical reasons the volumes of some barrel units are roughly double the volumes of others; volumes in common usage range from about 100 to 200 litres (22 to 44 imp gal; 26 to 53 US gal). In many connections the term "drum" is used almost interchangeably with "barrel".
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| imperial barrel | bl (imp) | ≡ 36 gal (imp) | = 0.16365924 m3 | Imperial/US |
| imperial barrels | zettaliters | imperial barrels | zettaliters |
|---|---|---|---|
| 1 | = 1.6365924E-19 | 6 | = 9.8195544E-19 |
| 2 | = 3.2731848E-19 | 7 | = 1.14561468E-18 |
| 3 | = 4.9097772E-19 | 8 | = 1.30927392E-18 |
| 4 | = 6.5463696E-19 | 9 | = 1.47293316E-18 |
| 5 | = 8.182962E-19 | 10 | = 1.6365924E-18 |
The zettaliter or zettalitre is a common metric unit of volume. It is equal to 1018 cubic meters. Plural name is zettaliters.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| zettaliter | ZL | ≡ 1 Mm3 | ≡ 1018 m3 | Metric system SI |
| zettaliters | imperial barrels | zettaliters | imperial barrels |
|---|---|---|---|
| 1 | = 6.1102568971969E+18 | 6 | = 3.6661541383181E+19 |
| 2 | = 1.2220513794394E+19 | 7 | = 4.2771798280378E+19 |
| 3 | = 1.8330770691591E+19 | 8 | = 4.8882055177575E+19 |
| 4 | = 2.4441027588788E+19 | 9 | = 5.4992312074772E+19 |
| 5 | = 3.0551284485984E+19 | 10 | = 6.1102568971969E+19 |
| imperial barrels | zettaliters |
|---|---|
| 1 | = 1.6365924 × 10-19 |
| 6.1102568971969 × 1018 | = 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 …) |