barleycorn | 1 barleycorn | 2 barleycorn | 3 barleycorn | 4 barleycorn | 5 barleycorn | 6 barleycorn | 7 barleycorn | 8 barleycorn | 9 barleycorn | 10 barleycorn | 11 barleycorn | 12 barleycorn | 13 barleycorn | 14 barleycorn | 15 barleycorn | 16 barleycorn | 17 barleycorn | 18 barleycorn | 19 barleycorn | 20 barleycorn | 21 barleycorn | 22 barleycorn | 23 barleycorn | 24 barleycorn | 25 barleycorn | 26 barleycorn | 27 barleycorn | 28 barleycorn | 29 barleycorn | 30 barleycorn | 31 barleycorn | 32 barleycorn | 33 barleycorn | 34 barleycorn | 35 barleycorn | 36 barleycorn | 37 barleycorn | 38 barleycorn | 39 barleycorn | 40 barleycorn | 41 barleycorn | 42 barleycorn | 43 barleycorn | 44 barleycorn | 45 barleycorn | 46 barleycorn | 47 barleycorn | 48 barleycorn | 49 barleycorn | 50 barleycorn | 51 barleycorn | 52 barleycorn | 53 barleycorn | 54 barleycorn | 55 barleycorn | 56 barleycorn | 57 barleycorn | 58 barleycorn | 59 barleycorn | 60 barleycorn | 61 barleycorn | 62 barleycorn | 63 barleycorn | 64 barleycorn | 65 barleycorn | 66 barleycorn | 67 barleycorn | 68 barleycorn | 69 barleycorn | 70 barleycorn | 71 barleycorn | 72 barleycorn | 73 barleycorn | 74 barleycorn | 75 barleycorn | 76 barleycorn | 77 barleycorn | 78 barleycorn | 79 barleycorn | 80 barleycorn | 81 barleycorn | 82 barleycorn | 83 barleycorn | 84 barleycorn | 85 barleycorn | 86 barleycorn | 87 barleycorn | 88 barleycorn | 89 barleycorn | 90 barleycorn | 91 barleycorn | 92 barleycorn | 93 barleycorn | 94 barleycorn | 95 barleycorn | 96 barleycorn | 97 barleycorn | 98 barleycorn | 99 barleycorn | 100 barleycorn |
span | 0.0370079 span | 0.0740157 span | 0.1110236 span | 0.1480315 span | 0.1850394 span | 0.2220472 span | 0.2590551 span | 0.2960630 span | 0.3330709 span | 0.3700787 span | 0.4070866 span | 0.4440945 span | 0.4811024 span | 0.5181102 span | 0.5551181 span | 0.5921260 span | 0.6291339 span | 0.6661417 span | 0.7031496 span | 0.7401575 span | 0.7771654 span | 0.8141732 span | 0.8511811 span | 0.8881890 span | 0.9251969 span | 0.9622047 span | 0.9992126 span | 1.0362205 span | 1.0732283 span | 1.1102362 span | 1.1472441 span | 1.1842520 span | 1.2212598 span | 1.2582677 span | 1.2952756 span | 1.3322835 span | 1.3692913 span | 1.4062992 span | 1.4433071 span | 1.4803150 span | 1.5173228 span | 1.5543307 span | 1.5913386 span | 1.6283465 span | 1.6653543 span | 1.7023622 span | 1.7393701 span | 1.7763780 span | 1.8133858 span | 1.8503937 span | 1.8874016 span | 1.9244094 span | 1.9614173 span | 1.9984252 span | 2.0354331 span | 2.0724409 span | 2.1094488 span | 2.1464567 span | 2.1834646 span | 2.2204724 span | 2.2574803 span | 2.2944882 span | 2.3314961 span | 2.3685039 span | 2.4055118 span | 2.4425197 span | 2.4795276 span | 2.5165354 span | 2.5535433 span | 2.5905512 span | 2.6275591 span | 2.6645669 span | 2.7015748 span | 2.7385827 span | 2.7755906 span | 2.8125984 span | 2.8496063 span | 2.8866142 span | 2.9236220 span | 2.9606299 span | 2.9976378 span | 3.0346457 span | 3.0716535 span | 3.1086614 span | 3.1456693 span | 3.1826772 span | 3.2196850 span | 3.2566929 span | 3.2937008 span | 3.3307087 span | 3.3677165 span | 3.4047244 span | 3.4417323 span | 3.4787402 span | 3.5157480 span | 3.5527559 span | 3.5897638 span | 3.6267717 span | 3.6637795 span | 3.7007874 span |
The barleycorn is a small English unit of length equal to 1⁄3 of an inch (i.e., close to 0.8467 cm) still used in Great Britain and Ireland as a determiner of shoe sizes.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
barleycorn | = 1⁄3 in | ≈ 8.46×10−3 m | Imperial/US |
barleycorns | spans | barleycorns | spans |
---|---|---|---|
1 | ≈ 0.037007874015748 | 4 | ≈ 0.14803149606299 |
1.5 | ≈ 0.055511811023622 | 4.5 | ≈ 0.16653543307087 |
2 | ≈ 0.074015748031496 | 5 | ≈ 0.18503937007874 |
2.5 | ≈ 0.09251968503937 | 5.5 | ≈ 0.20354330708661 |
3 | ≈ 0.11102362204724 | 6 | ≈ 0.22204724409449 |
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Sometimes the distinction is made between the great span (thumb to little finger) and little span (index finger to little finger).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
span | span | ≡ 9 in | = 0.2286 m | Imperial/US |
spans | barleycorns | spans | barleycorns |
---|---|---|---|
1 | ≈ 27.021276595745 | 4 | ≈ 108.08510638298 |
1.5 | ≈ 40.531914893617 | 4.5 | ≈ 121.59574468085 |
2 | ≈ 54.042553191489 | 5 | ≈ 135.10638297872 |
2.5 | ≈ 67.553191489362 | 5.5 | ≈ 148.6170212766 |
3 | ≈ 81.063829787234 | 6 | ≈ 162.12765957447 |
barleycorns | spans |
---|---|
1 | ≈ 0.0370079 |
27.0212766 | ≈ 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 …) |