| fluid drachm | 1 fl dr | 2 fl dr | 3 fl dr | 4 fl dr | 5 fl dr | 6 fl dr | 7 fl dr | 8 fl dr | 9 fl dr | 10 fl dr | 11 fl dr | 12 fl dr | 13 fl dr | 14 fl dr | 15 fl dr | 16 fl dr | 17 fl dr | 18 fl dr | 19 fl dr | 20 fl dr | 21 fl dr | 22 fl dr | 23 fl dr | 24 fl dr | 25 fl dr | 26 fl dr | 27 fl dr | 28 fl dr | 29 fl dr | 30 fl dr | 31 fl dr | 32 fl dr | 33 fl dr | 34 fl dr | 35 fl dr | 36 fl dr | 37 fl dr | 38 fl dr | 39 fl dr | 40 fl dr | 41 fl dr | 42 fl dr | 43 fl dr | 44 fl dr | 45 fl dr | 46 fl dr | 47 fl dr | 48 fl dr | 49 fl dr | 50 fl dr | 51 fl dr | 52 fl dr | 53 fl dr | 54 fl dr | 55 fl dr | 56 fl dr | 57 fl dr | 58 fl dr | 59 fl dr | 60 fl dr | 61 fl dr | 62 fl dr | 63 fl dr | 64 fl dr | 65 fl dr | 66 fl dr | 67 fl dr | 68 fl dr | 69 fl dr | 70 fl dr | 71 fl dr | 72 fl dr | 73 fl dr | 74 fl dr | 75 fl dr | 76 fl dr | 77 fl dr | 78 fl dr | 79 fl dr | 80 fl dr | 81 fl dr | 82 fl dr | 83 fl dr | 84 fl dr | 85 fl dr | 86 fl dr | 87 fl dr | 88 fl dr | 89 fl dr | 90 fl dr | 91 fl dr | 92 fl dr | 93 fl dr | 94 fl dr | 95 fl dr | 96 fl dr | 97 fl dr | 98 fl dr | 99 fl dr | 100 fl dr |
| pipe | 7.4463661055609 × 10-6 pipe | 1.4892732211122 × 10-5 pipe | 2.2339098316683 × 10-5 pipe | 2.9785464422243 × 10-5 pipe | 3.7231830527804 × 10-5 pipe | 4.4678196633365 × 10-5 pipe | 5.2124562738926 × 10-5 pipe | 5.9570928844487 × 10-5 pipe | 6.7017294950048 × 10-5 pipe | 7.4463661055609 × 10-5 pipe | 8.1910027161169 × 10-5 pipe | 8.935639326673 × 10-5 pipe | 9.6802759372291 × 10-5 pipe | 0.0001042 pipe | 0.0001117 pipe | 0.0001191 pipe | 0.0001266 pipe | 0.0001340 pipe | 0.0001415 pipe | 0.0001489 pipe | 0.0001564 pipe | 0.0001638 pipe | 0.0001713 pipe | 0.0001787 pipe | 0.0001862 pipe | 0.0001936 pipe | 0.0002011 pipe | 0.0002085 pipe | 0.0002159 pipe | 0.0002234 pipe | 0.0002308 pipe | 0.0002383 pipe | 0.0002457 pipe | 0.0002532 pipe | 0.0002606 pipe | 0.0002681 pipe | 0.0002755 pipe | 0.0002830 pipe | 0.0002904 pipe | 0.0002979 pipe | 0.0003053 pipe | 0.0003127 pipe | 0.0003202 pipe | 0.0003276 pipe | 0.0003351 pipe | 0.0003425 pipe | 0.0003500 pipe | 0.0003574 pipe | 0.0003649 pipe | 0.0003723 pipe | 0.0003798 pipe | 0.0003872 pipe | 0.0003947 pipe | 0.0004021 pipe | 0.0004096 pipe | 0.0004170 pipe | 0.0004244 pipe | 0.0004319 pipe | 0.0004393 pipe | 0.0004468 pipe | 0.0004542 pipe | 0.0004617 pipe | 0.0004691 pipe | 0.0004766 pipe | 0.0004840 pipe | 0.0004915 pipe | 0.0004989 pipe | 0.0005064 pipe | 0.0005138 pipe | 0.0005212 pipe | 0.0005287 pipe | 0.0005361 pipe | 0.0005436 pipe | 0.0005510 pipe | 0.0005585 pipe | 0.0005659 pipe | 0.0005734 pipe | 0.0005808 pipe | 0.0005883 pipe | 0.0005957 pipe | 0.0006032 pipe | 0.0006106 pipe | 0.0006180 pipe | 0.0006255 pipe | 0.0006329 pipe | 0.0006404 pipe | 0.0006478 pipe | 0.0006553 pipe | 0.0006627 pipe | 0.0006702 pipe | 0.0006776 pipe | 0.0006851 pipe | 0.0006925 pipe | 0.0007000 pipe | 0.0007074 pipe | 0.0007149 pipe | 0.0007223 pipe | 0.0007297 pipe | 0.0007372 pipe | 0.0007446 pipe |
The fluid dram is defined as 1⁄8 of a fluid ounce, and is exactly equal to:
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| fluid drachm | fl dr | ≡ 1⁄8 fl oz (imp) | = 3.5516328125×10−6 m3 | Imperial/US |
| fluid drachms | pipes | fluid drachms | pipes |
|---|---|---|---|
| 1 | = 7.4463661055609E-6 | 6 | = 4.4678196633365E-5 |
| 2 | = 1.4892732211122E-5 | 7 | = 5.2124562738926E-5 |
| 3 | = 2.2339098316683E-5 | 8 | = 5.9570928844487E-5 |
| 4 | = 2.9785464422243E-5 | 9 | = 6.7017294950048E-5 |
| 5 | = 3.7231830527804E-5 | 10 | = 7.4463661055609E-5 |
The pipe was a measure of liquid volume equalling two hogsheads. This equated to 108 imperial gallons (490 l) for ale or 126 imperial gallons (570 l) for wine (also known as a butt).
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| pipe | ≡ 126 gal (wine) | = 0.476961884784 m3 | Imperial/US |
| pipes | fluid drachms | pipes | fluid drachms |
|---|---|---|---|
| 1 | = 134293.69249696 | 6 | = 805762.15498178 |
| 2 | = 268587.38499393 | 7 | = 940055.84747874 |
| 3 | = 402881.07749089 | 8 | = 1074349.5399757 |
| 4 | = 537174.76998785 | 9 | = 1208643.2324727 |
| 5 | = 671468.46248482 | 10 | = 1342936.9249696 |
| fluid drachms | pipes |
|---|---|
| 1 | = 7.4463661055609 × 10-6 |
| 134,293.6924970 | = 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 …) |