Convert Momme to Ounce
Convert mommes to ounces instantly. 1 momme = 0.1322773574 ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ounce 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.
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 to Ounce 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 ounces:
To convert mommes to ounces, multiply the value in mommes by 0.1322773574. To reverse, multiply ounces by 7.5598728267.
How to use this converter
Type a value into the calculator. The result in ounces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Ounce to Momme converter for the reverse direction.
Step-by-step: convert mommes to ounces
- Write down the value in mommes (mom).
- Multiply that value by the factor 0.1322773574.
- The product is the equivalent value in ounces (oz).
- To reverse, multiply the ounce value by 7.5598728267.
Worked examples
Example 1 — Convert 1 mom to oz:
1 × 0.1322773574 = 0.1322773574 oz
Example 2 — Convert 100 mom to oz:
100 × 0.1322773574 = 13.2277357428 oz
Real-world example — Postcard and small-object dimensions
A postcard is about 5 mommes wide. Converting to ounces is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 mom × 0.1322773574 = 0.6613867871 oz
Real-world example — Ruler-scale measurements
A 30-momme school ruler converts cleanly to ounces — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 mom × 0.1322773574 = 3.9683207228 oz
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 ounces daily when mixing metric and imperial tools.
10 mom × 0.1322773574 = 1.3227735743 oz
Momme to Ounce conversion table
Standard reference values for converting mommes to ounces:
| Momme [mom] | Ounce [oz] |
|---|---|
| 0.01 | 0.0013227736 |
| 0.1 | 0.0132277357 |
| 1 | 0.1322773574 |
| 2 | 0.2645547149 |
| 3 | 0.3968320723 |
| 4 | 0.5291094297 |
| 5 | 0.6613867871 |
| 10 | 1.3227735743 |
| 20 | 2.6455471486 |
| 30 | 3.9683207228 |
| 40 | 5.2910942971 |
| 50 | 6.6138678714 |
| 100 | 13.2277357428 |
| 500 | 66.1386787138 |
| 1000 | 132.2773574276 |
Frequently asked questions
How many ounces is 1 momme?
How do I convert mommes to ounces?
How do I convert ounces back to mommes?
How many ounces 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 = 0.1322773574 oz) 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.