Convert Ton (assay) (US) to Momme
Convert tons (assay) (us) to mommes instantly. 1 ton (assay) (us) = 7.7777786667 momme — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Momme to Ton (assay) (US) converter for the reverse conversion.
Units explained
Ton (assay) (US)
The assay ton (US) equals about 29.167 grams, a mining-assay convenience unit.
Devised so an assay sample's metal in milligrams reads as troy ounces per short ton.
Ore assaying and metallurgy.
Adopted in assay laboratories to simplify ore-grade calculation.
Momme
The momme (mom) equals 3.75 grams.
A traditional Japanese mass unit (Japanese 'monme').
Pearls, and as the standard weight grade for silk fabric.
Part of the traditional Japanese shakkanho system.
Ton (assay) (US) to Momme conversion formula
Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.
The relationship between tons (assay) (us) and mommes:
To convert tons (assay) (us) to mommes, multiply the value in tons (assay) (us) by 7.7777786667. To reverse, multiply mommes by 0.1285714139.
How to use this converter
Type a value into the calculator. The result in mommes updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Momme to Ton (assay) (US) converter for the reverse direction.
Step-by-step: convert tons (assay) (us) to mommes
- Write down the value in tons (assay) (us) (AT).
- Multiply that value by the factor 7.7777786667.
- The product is the equivalent value in mommes (mom).
- To reverse, multiply the momme value by 0.1285714139.
Worked examples
Example 1 — Convert 1 AT to mom:
1 × 7.7777786667 = 7.7777786667 mom
Example 2 — Convert 100 AT to mom:
100 × 7.7777786667 = 777.7778666667 mom
Real-world example — Postcard and small-object dimensions
A postcard is about 5 tons (assay) (us) wide. Converting to mommes is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 AT × 7.7777786667 = 38.8888933333 mom
Real-world example — Ruler-scale measurements
A 30-ton (assay) (us) school ruler converts cleanly to mommes — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 AT × 7.7777786667 = 233.33336 mom
Real-world example — Hardware-scale dimensions
A 10-ton (assay) (us) fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between tons (assay) (us) and mommes daily when mixing metric and imperial tools.
10 AT × 7.7777786667 = 77.7777866667 mom
Ton (assay) (US) to Momme conversion table
Standard reference values for converting tons (assay) (us) to mommes:
| Ton (assay) (US) [AT] | Momme [mom] |
|---|---|
| 0.01 | 0.0777777867 |
| 0.1 | 0.7777778667 |
| 1 | 7.7777786667 |
| 2 | 15.5555573333 |
| 3 | 23.333336 |
| 4 | 31.1111146667 |
| 5 | 38.8888933333 |
| 10 | 77.7777866667 |
| 20 | 155.5555733333 |
| 30 | 233.33336 |
| 40 | 311.1111466667 |
| 50 | 388.8889333333 |
| 100 | 777.7778666667 |
| 500 | 3888.8893333333 |
| 1000 | 7777.7786666667 |
Frequently asked questions
How many mommes is 1 ton (assay) (us)?
How do I convert tons (assay) (us) to mommes?
How do I convert mommes back to tons (assay) (us)?
How many mommes is 100 tons (assay) (us)?
Popular weight unit conversions
Convert Ton (assay) (US) to other weight units
Show all Ton (assay) (US) conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 AT = 7.7777786667 mom) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.