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 |
petameter | 8.46 × 10-18 Pm | 1.692 × 10-17 Pm | 2.538 × 10-17 Pm | 3.384 × 10-17 Pm | 4.23 × 10-17 Pm | 5.076 × 10-17 Pm | 5.922 × 10-17 Pm | 6.768 × 10-17 Pm | 7.614 × 10-17 Pm | 8.46 × 10-17 Pm | 9.306 × 10-17 Pm | 1.0152 × 10-16 Pm | 1.0998 × 10-16 Pm | 1.1844 × 10-16 Pm | 1.269 × 10-16 Pm | 1.3536 × 10-16 Pm | 1.4382 × 10-16 Pm | 1.5228 × 10-16 Pm | 1.6074 × 10-16 Pm | 1.692 × 10-16 Pm | 1.7766 × 10-16 Pm | 1.8612 × 10-16 Pm | 1.9458 × 10-16 Pm | 2.0304 × 10-16 Pm | 2.115 × 10-16 Pm | 2.1996 × 10-16 Pm | 2.2842 × 10-16 Pm | 2.3688 × 10-16 Pm | 2.4534 × 10-16 Pm | 2.538 × 10-16 Pm | 2.6226 × 10-16 Pm | 2.7072 × 10-16 Pm | 2.7918 × 10-16 Pm | 2.8764 × 10-16 Pm | 2.961 × 10-16 Pm | 3.0456 × 10-16 Pm | 3.1302 × 10-16 Pm | 3.2148 × 10-16 Pm | 3.2994 × 10-16 Pm | 3.384 × 10-16 Pm | 3.4686 × 10-16 Pm | 3.5532 × 10-16 Pm | 3.6378 × 10-16 Pm | 3.7224 × 10-16 Pm | 3.807 × 10-16 Pm | 3.8916 × 10-16 Pm | 3.9762 × 10-16 Pm | 4.0608 × 10-16 Pm | 4.1454 × 10-16 Pm | 4.23 × 10-16 Pm | 4.3146 × 10-16 Pm | 4.3992 × 10-16 Pm | 4.4838 × 10-16 Pm | 4.5684 × 10-16 Pm | 4.653 × 10-16 Pm | 4.7376 × 10-16 Pm | 4.8222 × 10-16 Pm | 4.9068 × 10-16 Pm | 4.9914 × 10-16 Pm | 5.076 × 10-16 Pm | 5.1606 × 10-16 Pm | 5.2452 × 10-16 Pm | 5.3298 × 10-16 Pm | 5.4144 × 10-16 Pm | 5.499 × 10-16 Pm | 5.5836 × 10-16 Pm | 5.6682 × 10-16 Pm | 5.7528 × 10-16 Pm | 5.8374 × 10-16 Pm | 5.922 × 10-16 Pm | 6.0066 × 10-16 Pm | 6.0912 × 10-16 Pm | 6.1758 × 10-16 Pm | 6.2604 × 10-16 Pm | 6.345 × 10-16 Pm | 6.4296 × 10-16 Pm | 6.5142 × 10-16 Pm | 6.5988 × 10-16 Pm | 6.6834 × 10-16 Pm | 6.768 × 10-16 Pm | 6.8526 × 10-16 Pm | 6.9372 × 10-16 Pm | 7.0218 × 10-16 Pm | 7.1064 × 10-16 Pm | 7.191 × 10-16 Pm | 7.2756 × 10-16 Pm | 7.3602 × 10-16 Pm | 7.4448 × 10-16 Pm | 7.5294 × 10-16 Pm | 7.614 × 10-16 Pm | 7.6986 × 10-16 Pm | 7.7832 × 10-16 Pm | 7.8678 × 10-16 Pm | 7.9524 × 10-16 Pm | 8.037 × 10-16 Pm | 8.1216 × 10-16 Pm | 8.2062 × 10-16 Pm | 8.2908 × 10-16 Pm | 8.3754 × 10-16 Pm | 8.46 × 10-16 Pm |
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 | petameters | barleycorns | petameters |
---|---|---|---|
1 | ≈ 8.46E-18 | 4 | ≈ 3.384E-17 |
1.5 | ≈ 1.269E-17 | 4.5 | ≈ 3.807E-17 |
2 | ≈ 1.692E-17 | 5 | ≈ 4.23E-17 |
2.5 | ≈ 2.115E-17 | 5.5 | ≈ 4.653E-17 |
3 | ≈ 2.538E-17 | 6 | ≈ 5.076E-17 |
Petameter or petametre is equal to 1015 meters (unit of length), comes from a combination of the metric prefix peta (P) and the SI unit of length meter (m). Plural name is petameters.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
petameter | Pm | ≡ 1×1015 m | ≡ 1×1015 m | Metric system SI |
petameters | barleycorns | petameters | barleycorns |
---|---|---|---|
1 | ≈ 1.1820330969267E+17 | 4 | ≈ 4.7281323877069E+17 |
1.5 | ≈ 1.7730496453901E+17 | 4.5 | ≈ 5.3191489361702E+17 |
2 | ≈ 2.3640661938534E+17 | 5 | ≈ 5.9101654846336E+17 |
2.5 | ≈ 2.9550827423168E+17 | 5.5 | ≈ 6.5011820330969E+17 |
3 | ≈ 3.5460992907801E+17 | 6 | ≈ 7.0921985815603E+17 |
barleycorns | petameters |
---|---|
1 | ≈ 8.46 × 10-18 |
1.1820330969267 × 1017 | ≈ 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 …) |