atomic mass unit | 1 u | 2 u | 3 u | 4 u | 5 u | 6 u | 7 u | 8 u | 9 u | 10 u | 11 u | 12 u | 13 u | 14 u | 15 u | 16 u | 17 u | 18 u | 19 u | 20 u | 21 u | 22 u | 23 u | 24 u | 25 u | 26 u | 27 u | 28 u | 29 u | 30 u | 31 u | 32 u | 33 u | 34 u | 35 u | 36 u | 37 u | 38 u | 39 u | 40 u | 41 u | 42 u | 43 u | 44 u | 45 u | 46 u | 47 u | 48 u | 49 u | 50 u | 51 u | 52 u | 53 u | 54 u | 55 u | 56 u | 57 u | 58 u | 59 u | 60 u | 61 u | 62 u | 63 u | 64 u | 65 u | 66 u | 67 u | 68 u | 69 u | 70 u | 71 u | 72 u | 73 u | 74 u | 75 u | 76 u | 77 u | 78 u | 79 u | 80 u | 81 u | 82 u | 83 u | 84 u | 85 u | 86 u | 87 u | 88 u | 89 u | 90 u | 91 u | 92 u | 93 u | 94 u | 95 u | 96 u | 97 u | 98 u | 99 u | 100 u |
kilogram | 1.66053904 × 10-27 kg | 3.32107808 × 10-27 kg | 4.98161712 × 10-27 kg | 6.64215616 × 10-27 kg | 8.3026952 × 10-27 kg | 9.96323424 × 10-27 kg | 1.162377328 × 10-26 kg | 1.328431232 × 10-26 kg | 1.494485136 × 10-26 kg | 1.66053904 × 10-26 kg | 1.826592944 × 10-26 kg | 1.992646848 × 10-26 kg | 2.158700752 × 10-26 kg | 2.324754656 × 10-26 kg | 2.49080856 × 10-26 kg | 2.656862464 × 10-26 kg | 2.822916368 × 10-26 kg | 2.988970272 × 10-26 kg | 3.155024176 × 10-26 kg | 3.32107808 × 10-26 kg | 3.487131984 × 10-26 kg | 3.653185888 × 10-26 kg | 3.819239792 × 10-26 kg | 3.985293696 × 10-26 kg | 4.1513476 × 10-26 kg | 4.317401504 × 10-26 kg | 4.483455408 × 10-26 kg | 4.649509312 × 10-26 kg | 4.815563216 × 10-26 kg | 4.98161712 × 10-26 kg | 5.147671024 × 10-26 kg | 5.313724928 × 10-26 kg | 5.479778832 × 10-26 kg | 5.645832736 × 10-26 kg | 5.81188664 × 10-26 kg | 5.977940544 × 10-26 kg | 6.143994448 × 10-26 kg | 6.310048352 × 10-26 kg | 6.476102256 × 10-26 kg | 6.64215616 × 10-26 kg | 6.808210064 × 10-26 kg | 6.974263968 × 10-26 kg | 7.140317872 × 10-26 kg | 7.306371776 × 10-26 kg | 7.47242568 × 10-26 kg | 7.638479584 × 10-26 kg | 7.804533488 × 10-26 kg | 7.970587392 × 10-26 kg | 8.136641296 × 10-26 kg | 8.3026952 × 10-26 kg | 8.468749104 × 10-26 kg | 8.634803008 × 10-26 kg | 8.800856912 × 10-26 kg | 8.966910816 × 10-26 kg | 9.13296472 × 10-26 kg | 9.299018624 × 10-26 kg | 9.465072528 × 10-26 kg | 9.631126432 × 10-26 kg | 9.797180336 × 10-26 kg | 9.96323424 × 10-26 kg | 1.0129288144 × 10-25 kg | 1.0295342048 × 10-25 kg | 1.0461395952 × 10-25 kg | 1.0627449856 × 10-25 kg | 1.079350376 × 10-25 kg | 1.0959557664 × 10-25 kg | 1.1125611568 × 10-25 kg | 1.1291665472 × 10-25 kg | 1.1457719376 × 10-25 kg | 1.162377328 × 10-25 kg | 1.1789827184 × 10-25 kg | 1.1955881088 × 10-25 kg | 1.2121934992 × 10-25 kg | 1.2287988896 × 10-25 kg | 1.24540428 × 10-25 kg | 1.2620096704 × 10-25 kg | 1.2786150608 × 10-25 kg | 1.2952204512 × 10-25 kg | 1.3118258416 × 10-25 kg | 1.328431232 × 10-25 kg | 1.3450366224 × 10-25 kg | 1.3616420128 × 10-25 kg | 1.3782474032 × 10-25 kg | 1.3948527936 × 10-25 kg | 1.411458184 × 10-25 kg | 1.4280635744 × 10-25 kg | 1.4446689648 × 10-25 kg | 1.4612743552 × 10-25 kg | 1.4778797456 × 10-25 kg | 1.494485136 × 10-25 kg | 1.5110905264 × 10-25 kg | 1.5276959168 × 10-25 kg | 1.5443013072 × 10-25 kg | 1.5609066976 × 10-25 kg | 1.577512088 × 10-25 kg | 1.5941174784 × 10-25 kg | 1.6107228688 × 10-25 kg | 1.6273282592 × 10-25 kg | 1.6439336496 × 10-25 kg | 1.66053904 × 10-25 kg |
The unified atomic mass unit or dalton (symbol: u, or Da) is a standard unit of mass that quantifies mass on an atomic or molecular scale (atomic mass).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
atomic mass unit | u | Imperial/US |
atomic mass unit | kilograms | atomic mass unit | kilograms |
---|---|---|---|
1 | ≈ 1.66053904E-27 | 11 | ≈ 1.826592944E-26 |
2.5 | ≈ 4.1513476E-27 | 12.5 | ≈ 2.0756738E-26 |
4 | ≈ 6.64215616E-27 | 14 | ≈ 2.324754656E-26 |
5.5 | ≈ 9.13296472E-27 | 15.5 | ≈ 2.573835512E-26 |
7 | ≈ 1.162377328E-26 | 17 | ≈ 2.822916368E-26 |
8.5 | ≈ 1.411458184E-26 | 18.5 | ≈ 3.071997224E-26 |
10 | ≈ 1.66053904E-26 | 20 | ≈ 3.32107808E-26 |
The kilogram or kilogramme (SI unit symbol: kg) is the base unit of mass in the International System of Units (SI) (the Metric system) and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K").
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
kilogram | kg | ≡ mass of the prototype near Paris (≈ mass of 1 L of water) | ≡ 1 kg | Metric system SI |
kilograms | atomic mass unit | kilograms | atomic mass unit |
---|---|---|---|
1 | ≈ 6.0221408585492E+26 | 11 | ≈ 6.6243549444041E+27 |
2.5 | ≈ 1.5055352146373E+27 | 12.5 | ≈ 7.5276760731865E+27 |
4 | ≈ 2.4088563434197E+27 | 14 | ≈ 8.4309972019688E+27 |
5.5 | ≈ 3.312177472202E+27 | 15.5 | ≈ 9.3343183307512E+27 |
7 | ≈ 4.2154986009844E+27 | 17 | ≈ 1.0237639459534E+28 |
8.5 | ≈ 5.1188197297668E+27 | 18.5 | ≈ 1.1140960588316E+28 |
10 | ≈ 6.0221408585492E+27 | 20 | ≈ 1.2044281717098E+28 |
atomic mass unit | kilograms |
---|---|
1 | ≈ 1.66053904 × 10-27 |
6.0221408585492 × 1026 | ≈ 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 …) |