Convert Momme to Slug
Convert mommes to slugs instantly. 1 momme = 0.0002569566 slug — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Slug to Momme converter for the reverse conversion.
Units explained
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.
Slug
The slug is the mass that accelerates at 1 ft/s^2 under a force of one pound-force, about 14.59 kg.
Coined in the early 20th century for the British gravitational (engineering) system.
US and British engineering dynamics.
Introduced in the British gravitational system of units.
Momme to Slug 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 mommes and slugs:
To convert mommes to slugs, multiply the value in mommes by 0.0002569566. To reverse, multiply slugs by 3891.70744992.
How to use this converter
Type a value into the calculator. The result in slugs updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Slug to Momme converter for the reverse direction.
Step-by-step: convert mommes to slugs
- Write down the value in mommes (mom).
- Multiply that value by the factor 0.0002569566.
- The product is the equivalent value in slugs (slug).
- To reverse, multiply the slug value by 3891.70744992.
Worked examples
Example 1 — Convert 1 mom to slug:
1 × 0.0002569566 = 0.0002569566 slug
Example 2 — Convert 100 mom to slug:
100 × 0.0002569566 = 0.0256956622 slug
Real-world example — Ruler-scale measurements
A 30-momme school ruler converts cleanly to slugs — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 mom × 0.0002569566 = 0.0077086987 slug
Real-world example — Hardware-scale dimensions
A 10-momme fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between mommes and slugs daily when mixing metric and imperial tools.
10 mom × 0.0002569566 = 0.0025695662 slug
Real-world example — Postcard and small-object dimensions
A postcard is about 5 mommes wide. Converting to slugs is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 mom × 0.0002569566 = 0.0012847831 slug
Momme to Slug conversion table
Standard reference values for converting mommes to slugs:
| Momme [mom] | Slug [slug] |
|---|---|
| 0.01 | 2.569566e-6 |
| 0.1 | 2.569566e-5 |
| 1 | 0.0002569566 |
| 2 | 0.0005139132 |
| 3 | 0.0007708699 |
| 4 | 0.0010278265 |
| 5 | 0.0012847831 |
| 10 | 0.0025695662 |
| 20 | 0.0051391324 |
| 30 | 0.0077086987 |
| 40 | 0.0102782649 |
| 50 | 0.0128478311 |
| 100 | 0.0256956622 |
| 500 | 0.128478311 |
| 1000 | 0.256956622 |
Frequently asked questions
How many slugs is 1 momme?
How do I convert mommes to slugs?
How do I convert slugs back to mommes?
How many slugs is 100 mommes?
Popular weight unit conversions
Convert Momme to other weight units
Show all Momme conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (9 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 mom = 0.0002569566 slug) 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.