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 |
carat | 8.3026952 × 10-24 ct | 1.66053904 × 10-23 ct | 2.49080856 × 10-23 ct | 3.32107808 × 10-23 ct | 4.1513476 × 10-23 ct | 4.98161712 × 10-23 ct | 5.81188664 × 10-23 ct | 6.64215616 × 10-23 ct | 7.47242568 × 10-23 ct | 8.3026952 × 10-23 ct | 9.13296472 × 10-23 ct | 9.96323424 × 10-23 ct | 1.079350376 × 10-22 ct | 1.162377328 × 10-22 ct | 1.24540428 × 10-22 ct | 1.328431232 × 10-22 ct | 1.411458184 × 10-22 ct | 1.494485136 × 10-22 ct | 1.577512088 × 10-22 ct | 1.66053904 × 10-22 ct | 1.743565992 × 10-22 ct | 1.826592944 × 10-22 ct | 1.909619896 × 10-22 ct | 1.992646848 × 10-22 ct | 2.0756738 × 10-22 ct | 2.158700752 × 10-22 ct | 2.241727704 × 10-22 ct | 2.324754656 × 10-22 ct | 2.407781608 × 10-22 ct | 2.49080856 × 10-22 ct | 2.573835512 × 10-22 ct | 2.656862464 × 10-22 ct | 2.739889416 × 10-22 ct | 2.822916368 × 10-22 ct | 2.90594332 × 10-22 ct | 2.988970272 × 10-22 ct | 3.071997224 × 10-22 ct | 3.155024176 × 10-22 ct | 3.238051128 × 10-22 ct | 3.32107808 × 10-22 ct | 3.404105032 × 10-22 ct | 3.487131984 × 10-22 ct | 3.570158936 × 10-22 ct | 3.653185888 × 10-22 ct | 3.73621284 × 10-22 ct | 3.819239792 × 10-22 ct | 3.902266744 × 10-22 ct | 3.985293696 × 10-22 ct | 4.068320648 × 10-22 ct | 4.1513476 × 10-22 ct | 4.234374552 × 10-22 ct | 4.317401504 × 10-22 ct | 4.400428456 × 10-22 ct | 4.483455408 × 10-22 ct | 4.56648236 × 10-22 ct | 4.649509312 × 10-22 ct | 4.732536264 × 10-22 ct | 4.815563216 × 10-22 ct | 4.898590168 × 10-22 ct | 4.98161712 × 10-22 ct | 5.064644072 × 10-22 ct | 5.147671024 × 10-22 ct | 5.230697976 × 10-22 ct | 5.313724928 × 10-22 ct | 5.39675188 × 10-22 ct | 5.479778832 × 10-22 ct | 5.562805784 × 10-22 ct | 5.645832736 × 10-22 ct | 5.728859688 × 10-22 ct | 5.81188664 × 10-22 ct | 5.894913592 × 10-22 ct | 5.977940544 × 10-22 ct | 6.060967496 × 10-22 ct | 6.143994448 × 10-22 ct | 6.2270214 × 10-22 ct | 6.310048352 × 10-22 ct | 6.393075304 × 10-22 ct | 6.476102256 × 10-22 ct | 6.559129208 × 10-22 ct | 6.64215616 × 10-22 ct | 6.725183112 × 10-22 ct | 6.808210064 × 10-22 ct | 6.891237016 × 10-22 ct | 6.974263968 × 10-22 ct | 7.05729092 × 10-22 ct | 7.140317872 × 10-22 ct | 7.223344824 × 10-22 ct | 7.306371776 × 10-22 ct | 7.389398728 × 10-22 ct | 7.47242568 × 10-22 ct | 7.555452632 × 10-22 ct | 7.638479584 × 10-22 ct | 7.721506536 × 10-22 ct | 7.804533488 × 10-22 ct | 7.88756044 × 10-22 ct | 7.970587392 × 10-22 ct | 8.053614344 × 10-22 ct | 8.136641296 × 10-22 ct | 8.219668248 × 10-22 ct | 8.3026952 × 10-22 ct |
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 | carats | atomic mass unit | carats |
---|---|---|---|
1 | ≈ 8.3026952E-24 | 11 | ≈ 9.13296472E-23 |
2.5 | ≈ 2.0756738E-23 | 12.5 | ≈ 1.0378369E-22 |
4 | ≈ 3.32107808E-23 | 14 | ≈ 1.162377328E-22 |
5.5 | ≈ 4.56648236E-23 | 15.5 | ≈ 1.286917756E-22 |
7 | ≈ 5.81188664E-23 | 17 | ≈ 1.411458184E-22 |
8.5 | ≈ 7.05729092E-23 | 18.5 | ≈ 1.535998612E-22 |
10 | ≈ 8.3026952E-23 | 20 | ≈ 1.66053904E-22 |
The carat (ct) is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
carat | ct | ≡ 200 mg | ≡ 200 mg | Imperial/US |
carats | atomic mass unit | carats | atomic mass unit |
---|---|---|---|
1 | ≈ 1.2044281717098E+23 | 11 | ≈ 1.3248709888808E+24 |
2.5 | ≈ 3.0110704292746E+23 | 12.5 | ≈ 1.5055352146373E+24 |
4 | ≈ 4.8177126868393E+23 | 14 | ≈ 1.6861994403938E+24 |
5.5 | ≈ 6.6243549444041E+23 | 15.5 | ≈ 1.8668636661502E+24 |
7 | ≈ 8.4309972019688E+23 | 17 | ≈ 2.0475278919067E+24 |
8.5 | ≈ 1.0237639459534E+24 | 18.5 | ≈ 2.2281921176632E+24 |
10 | ≈ 1.2044281717098E+24 | 20 | ≈ 2.4088563434197E+24 |
atomic mass unit | carats |
---|---|
1 | ≈ 8.3026952 × 10-24 |
1.2044281717098 × 1023 | ≈ 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 …) |