dalton (atomic unit of mass)
| Symbol: | u, uma, Da |
| Category: | Mass |
| SI Equivalent: | 1.66054×10-27 kg |
| Dimension: | M |
| Notes | |
| Named after J. Dalton (1766-1844), one dalton is equal to 1/12 of the mass of the carbon 12 atom. | |
79 conversions, showing those commonly used | Show all
1 u, uma, Da =
| Mass | ||
| Symbol | Unit Name | |
| 1 | u, uma, Da(12C), AMU | atomic unit of mass (12C) |
| 1.00032 | u, uma, Da(16O), AMU | atomic unit of mass (16O) |
| 0.992236 | u, uma, Da(1H), AMU | atomic unit of mass (1H) |
| 8.3027×10-24 | ct. | carat (metric) |
| 8.09242×10-24 | ct (troy) | carat (troy) |
| 1.13783×10-28 | slug | geepound (slug) |
| 2.56261×10-23 | gr (avdp.), gr (av.) | grain (avoirdupois) |
| 2.56261×10-23 | gr (troy) | grain (troy) |
| 1.66054×10-24 | g | gram |
| 1.66054×10-27 | kg | kilogram |
| 3.66086×10-30 | kip | kilopound (kip) |
| 1.66054×10-21 | mg | milligram |
| 5.85738×10-26 | oz (advp.), oz (av.) | ounce (avoirdupois) |
| 5.33876×10-26 | oz (troy) | ounce (troy) |
| 3.66086×10-27 | lb | pound |
| 4.44897×10-27 | lb (troy), lb (tr.) | pound (troy) |
| 1.13783×10-28 | slug (geepound) | |
| 1.66054×10-30 | ton (metric) | |
| 1.63431×10-30 | UK ton, lg ton | ton (UK, long) |
| 1.83043×10-30 | ton (US, short) | |
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