ångström | 1 Å | 2 Å | 3 Å | 4 Å | 5 Å | 6 Å | 7 Å | 8 Å | 9 Å | 10 Å | 11 Å | 12 Å | 13 Å | 14 Å | 15 Å | 16 Å | 17 Å | 18 Å | 19 Å | 20 Å | 21 Å | 22 Å | 23 Å | 24 Å | 25 Å | 26 Å | 27 Å | 28 Å | 29 Å | 30 Å | 31 Å | 32 Å | 33 Å | 34 Å | 35 Å | 36 Å | 37 Å | 38 Å | 39 Å | 40 Å | 41 Å | 42 Å | 43 Å | 44 Å | 45 Å | 46 Å | 47 Å | 48 Å | 49 Å | 50 Å | 51 Å | 52 Å | 53 Å | 54 Å | 55 Å | 56 Å | 57 Å | 58 Å | 59 Å | 60 Å | 61 Å | 62 Å | 63 Å | 64 Å | 65 Å | 66 Å | 67 Å | 68 Å | 69 Å | 70 Å | 71 Å | 72 Å | 73 Å | 74 Å | 75 Å | 76 Å | 77 Å | 78 Å | 79 Å | 80 Å | 81 Å | 82 Å | 83 Å | 84 Å | 85 Å | 86 Å | 87 Å | 88 Å | 89 Å | 90 Å | 91 Å | 92 Å | 93 Å | 94 Å | 95 Å | 96 Å | 97 Å | 98 Å | 99 Å | 100 Å |
metric inch | 2.5 × 10-7 in (metric) | 5.0 × 10-7 in (metric) | 7.5 × 10-7 in (metric) | 1.0 × 10-6 in (metric) | 1.25 × 10-6 in (metric) | 1.5 × 10-6 in (metric) | 1.75 × 10-6 in (metric) | 2.0 × 10-6 in (metric) | 2.25 × 10-6 in (metric) | 2.5 × 10-6 in (metric) | 2.75 × 10-6 in (metric) | 3.0 × 10-6 in (metric) | 3.25 × 10-6 in (metric) | 3.5 × 10-6 in (metric) | 3.75 × 10-6 in (metric) | 4.0 × 10-6 in (metric) | 4.25 × 10-6 in (metric) | 4.5 × 10-6 in (metric) | 4.75 × 10-6 in (metric) | 5.0 × 10-6 in (metric) | 5.25 × 10-6 in (metric) | 5.5 × 10-6 in (metric) | 5.75 × 10-6 in (metric) | 6.0 × 10-6 in (metric) | 6.25 × 10-6 in (metric) | 6.5 × 10-6 in (metric) | 6.75 × 10-6 in (metric) | 7.0 × 10-6 in (metric) | 7.25 × 10-6 in (metric) | 7.5 × 10-6 in (metric) | 7.75 × 10-6 in (metric) | 8.0 × 10-6 in (metric) | 8.25 × 10-6 in (metric) | 8.5 × 10-6 in (metric) | 8.75 × 10-6 in (metric) | 9.0 × 10-6 in (metric) | 9.25 × 10-6 in (metric) | 9.5 × 10-6 in (metric) | 9.75 × 10-6 in (metric) | 1.0 × 10-5 in (metric) | 1.025 × 10-5 in (metric) | 1.05 × 10-5 in (metric) | 1.075 × 10-5 in (metric) | 1.1 × 10-5 in (metric) | 1.125 × 10-5 in (metric) | 1.15 × 10-5 in (metric) | 1.175 × 10-5 in (metric) | 1.2 × 10-5 in (metric) | 1.225 × 10-5 in (metric) | 1.25 × 10-5 in (metric) | 1.275 × 10-5 in (metric) | 1.3 × 10-5 in (metric) | 1.325 × 10-5 in (metric) | 1.35 × 10-5 in (metric) | 1.375 × 10-5 in (metric) | 1.4 × 10-5 in (metric) | 1.425 × 10-5 in (metric) | 1.45 × 10-5 in (metric) | 1.475 × 10-5 in (metric) | 1.5 × 10-5 in (metric) | 1.525 × 10-5 in (metric) | 1.55 × 10-5 in (metric) | 1.575 × 10-5 in (metric) | 1.6 × 10-5 in (metric) | 1.625 × 10-5 in (metric) | 1.65 × 10-5 in (metric) | 1.675 × 10-5 in (metric) | 1.7 × 10-5 in (metric) | 1.725 × 10-5 in (metric) | 1.75 × 10-5 in (metric) | 1.775 × 10-5 in (metric) | 1.8 × 10-5 in (metric) | 1.825 × 10-5 in (metric) | 1.85 × 10-5 in (metric) | 1.875 × 10-5 in (metric) | 1.9 × 10-5 in (metric) | 1.925 × 10-5 in (metric) | 1.95 × 10-5 in (metric) | 1.975 × 10-5 in (metric) | 2.0 × 10-5 in (metric) | 2.025 × 10-5 in (metric) | 2.05 × 10-5 in (metric) | 2.075 × 10-5 in (metric) | 2.1 × 10-5 in (metric) | 2.125 × 10-5 in (metric) | 2.15 × 10-5 in (metric) | 2.175 × 10-5 in (metric) | 2.2 × 10-5 in (metric) | 2.225 × 10-5 in (metric) | 2.25 × 10-5 in (metric) | 2.275 × 10-5 in (metric) | 2.3 × 10-5 in (metric) | 2.325 × 10-5 in (metric) | 2.35 × 10-5 in (metric) | 2.375 × 10-5 in (metric) | 2.4 × 10-5 in (metric) | 2.425 × 10-5 in (metric) | 2.45 × 10-5 in (metric) | 2.475 × 10-5 in (metric) | 2.5 × 10-5 in (metric) |
The ångström or angstrom (IPA: /ˈɔːŋstrəm/); Swedish: [ˈɔŋstrøm]) is a unit of length equal to 10−10 m (one ten-billionth of a metre) or 0.1 nanometre. Its symbol is Å, a letter in theSwedish alphabet.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
ångström | Å | ≡ 1×10−10 m | ≡ 0.1 nm | Metric system Non-SI |
ångströms | metric inches | ångströms | metric inches |
---|---|---|---|
1 | = 2.5E-7 | 4 | = 1.0E-6 |
1.5 | = 3.75E-7 | 4.5 | = 1.125E-6 |
2 | = 5.0E-7 | 5 | = 1.25E-6 |
2.5 | = 6.25E-7 | 5.5 | = 1.375E-6 |
3 | = 7.5E-7 | 6 | = 1.5E-6 |
A metric inch is a nickname for a preferred 1⁄4 subdivision of an ISO 2848 basic module, or 1⁄12 of a metric foot measuring 25 millimetres (0.984 in). A metric inch is 0.4 millimetres (0.016 in) shorter than an inch.
The term was similarly used to refer to the historical Soviet Bloc practice of spacing integrated circuit pins at 1⁄10 of a 25 mm "metric inch" length, instead of the western practice of 1⁄10 of an imperial inch.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
metric inch | in (metric) | = 0.016 in | = 0.0004 m | Metric system SI |
metric inches | ångströms | metric inches | ångströms |
---|---|---|---|
1 | = 4000000 | 4 | = 16000000 |
1.5 | = 6000000 | 4.5 | = 18000000 |
2 | = 8000000 | 5 | = 20000000 |
2.5 | = 10000000 | 5.5 | = 22000000 |
3 | = 12000000 | 6 | = 24000000 |
ångströms | metric inches |
---|---|
1 | = 2.5 × 10-7 |
4 000 000 | = 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 …) |