Convert Ounce to Momme
Convert ounces to mommes instantly. 1 ounce = 7.5598728267 momme — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Momme to Ounce converter for the reverse conversion.
Units explained
Ounce
The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.
From Latin 'uncia', meaning a twelfth part.
US food portions, postal weights, and boxing weight classes.
Standardized as 1/16 of the international pound from 1959.
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.
Ounce 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 ounces and mommes:
To convert ounces to mommes, multiply the value in ounces by 7.5598728267. To reverse, multiply mommes by 0.1322773574.
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 Ounce converter for the reverse direction.
Step-by-step: convert ounces to mommes
- Write down the value in ounces (oz).
- Multiply that value by the factor 7.5598728267.
- The product is the equivalent value in mommes (mom).
- To reverse, multiply the momme value by 0.1322773574.
Worked examples
Example 1 — Convert 1 oz to mom:
1 × 7.5598728267 = 7.5598728267 mom
Example 2 — Convert 100 oz to mom:
100 × 7.5598728267 = 755.9872826667 mom
Real-world example — Hardware-scale dimensions
A 10-ounce fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between ounces and mommes daily when mixing metric and imperial tools.
10 oz × 7.5598728267 = 75.5987282667 mom
Real-world example — Postcard and small-object dimensions
A postcard is about 5 ounces wide. Converting to mommes is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 oz × 7.5598728267 = 37.7993641333 mom
Real-world example — Ruler-scale measurements
A 30-ounce school ruler converts cleanly to mommes — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 oz × 7.5598728267 = 226.7961848 mom
Ounce to Momme conversion table
Standard reference values for converting ounces to mommes:
| Ounce [oz] | Momme [mom] |
|---|---|
| 0.01 | 0.0755987283 |
| 0.1 | 0.7559872827 |
| 1 | 7.5598728267 |
| 2 | 15.1197456533 |
| 3 | 22.67961848 |
| 4 | 30.2394913067 |
| 5 | 37.7993641333 |
| 10 | 75.5987282667 |
| 20 | 151.1974565333 |
| 30 | 226.7961848 |
| 40 | 302.3949130667 |
| 50 | 377.9936413333 |
| 100 | 755.9872826667 |
| 500 | 3779.9364133333 |
| 1000 | 7559.8728266667 |
Frequently asked questions
How many mommes is 1 ounce?
How do I convert ounces to mommes?
How do I convert mommes back to ounces?
How many mommes is 100 ounces?
Popular weight unit conversions
Convert Ounce to other weight units
Show all Ounce conversions
Metric / SI (18 units)
Avoirdupois (14 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 oz = 7.5598728267 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.