Long Ton (UK) to Atomic Mass Unit Converter
Convert Long Ton (UK) (long ton) to Atomic Mass Unit (u) instantly. 1 long ton = 6.118778e+29 u.
Mass Converter
26 units available
1 long ton = 6.118778e+29 u
Formula:
u = long ton × 6.118778e+29With your value: 1 long ton = 6.118778e+29 u
How big is that?
Everyday references on a logarithmic scale, all expressed in long ton (uk) so you can sanity-check the result.
Other Long Ton (UK) to Atomic Mass Unit conversions
Long Ton (UK) to Atomic Mass Unit Conversion Table
| Long Ton (UK) (long ton) | Atomic Mass Unit (u) |
|---|---|
| 0.5 | 3.059389e+29 |
| 1 | 6.118778e+29 |
| 2 | 1.223756e+30 |
| 5 | 3.059389e+30 |
| 10 | 6.118778e+30 |
| 15 | 9.178166e+30 |
| 20 | 1.223756e+31 |
| 25 | 1.529694e+31 |
| 50 | 3.059389e+31 |
| 100 | 6.118778e+31 |
| 250 | 1.529694e+32 |
| 500 | 3.059389e+32 |
| 1000 | 6.118778e+32 |
Atomic Mass Unit to Long Ton (UK) Conversion Table
| Atomic Mass Unit (u) | Long Ton (UK) (long ton) |
|---|---|
| 0.5 | 8.171567e-31 |
| 1 | 1.634313e-30 |
| 2 | 3.268627e-30 |
| 5 | 8.171567e-30 |
| 10 | 1.634313e-29 |
| 15 | 2.451470e-29 |
| 20 | 3.268627e-29 |
| 25 | 4.085783e-29 |
| 50 | 8.171567e-29 |
| 100 | 1.634313e-28 |
| 250 | 4.085783e-28 |
| 500 | 8.171567e-28 |
| 1000 | 1.634313e-27 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Long Ton (UK) (long ton)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Atomic Mass Unit (u)
Mass
The unified atomic mass unit is 1/12 the mass of a free carbon-12 atom: 1.660 539 068 92(52) × 10⁻²⁷ kg.
Experimentally determined; the last digits carry the CODATA 2022 uncertainty.
Source: CODATA Internationally Recommended Values of the Fundamental Physical Constants (2022 adjustment)
CODATA / NIST · Reviewed 2026-07-01
How to Convert Long Ton (UK) to Atomic Mass Unit
To convert from Long Ton (UK) (long ton) to Atomic Mass Unit (u), multiply the value by 6.118778e+29.
Formula: u = long ton × 6.118778e+29
Reverse: long ton = u × 1.634313e-30
Step-by-Step Example
- Start with your value in Long Ton (UK). For example: 5 long ton
- Multiply by the conversion factor: 5 x 6.118778e+29
- The result is: 3.059389e+30 u
About Long Ton (UK)
The long ton (imperial ton) equals 2,240 pounds or 1,016.0469088 kg, and remains in use for shipping displacement.
Common uses: shipping, UK industry (historic).
About Atomic Mass Unit
The unified atomic mass unit (dalton) is 1/12 the mass of a carbon-12 atom, about 1.66054×10⁻²⁷ kg.
Common uses: chemistry, mass spectrometry, molecular biology.
Frequently Asked Questions
How many Atomic Mass Unit are in 1 Long Ton (UK)?
There are exactly 6.118778e+29 Atomic Mass Unit in 1 Long Ton (UK). This means the conversion factor from Long Ton (UK) to Atomic Mass Unit is 6.118778e+29.
What is the formula to convert Long Ton (UK) to Atomic Mass Unit?
The formula to convert Long Ton (UK) to Atomic Mass Unit is: u = long ton × 6.118778e+29. For example, to convert 10 Long Ton (UK) to Atomic Mass Unit, you would multiply 10 by 6.118778e+29.
What is a Long Ton (UK)?
The long ton (imperial ton) equals 2,240 pounds or 1,016.0469088 kg, and remains in use for shipping displacement.
What is a Atomic Mass Unit?
The unified atomic mass unit (dalton) is 1/12 the mass of a carbon-12 atom, about 1.66054×10⁻²⁷ kg.
What are the common uses of Long Ton (UK)?
The Long Ton (UK) is commonly used in shipping, UK industry (historic).
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Long Ton (UK) to Atomic Mass Unit converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/long_ton-to-atomic_mass_unit