Convert Momme to Mace
Convert mommes to maces instantly. 1 momme = 0.9920802892 mace — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Mace 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.
Mace
The mace equals one-tenth of a tael, about 3.78 grams.
From the Chinese 'qian'; 'mace' is the European trade name.
Chinese and Southeast Asian gold and traditional-medicine trade.
Part of the traditional Chinese tael system.
Momme to Mace 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 maces:
To convert mommes to maces, multiply the value in mommes by 0.9920802892. To reverse, multiply maces by 1.0079829333.
How to use this converter
Type a value into the calculator. The result in maces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Mace to Momme converter for the reverse direction.
Step-by-step: convert mommes to maces
- Write down the value in mommes (mom).
- Multiply that value by the factor 0.9920802892.
- The product is the equivalent value in maces (mace).
- To reverse, multiply the mace value by 1.0079829333.
Worked examples
Example 1 — Convert 1 mom to mace:
1 × 0.9920802892 = 0.9920802892 mace
Example 2 — Convert 100 mom to mace:
100 × 0.9920802892 = 99.208028919 mace
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 maces daily when mixing metric and imperial tools.
10 mom × 0.9920802892 = 9.9208028919 mace
Real-world example — Postcard and small-object dimensions
A postcard is about 5 mommes wide. Converting to maces is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 mom × 0.9920802892 = 4.960401446 mace
Real-world example — Ruler-scale measurements
A 30-momme school ruler converts cleanly to maces — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 mom × 0.9920802892 = 29.7624086757 mace
Momme to Mace conversion table
Standard reference values for converting mommes to maces:
| Momme [mom] | Mace [mace] |
|---|---|
| 0.01 | 0.0099208029 |
| 0.1 | 0.0992080289 |
| 1 | 0.9920802892 |
| 2 | 1.9841605784 |
| 3 | 2.9762408676 |
| 4 | 3.9683211568 |
| 5 | 4.960401446 |
| 10 | 9.9208028919 |
| 20 | 19.8416057838 |
| 30 | 29.7624086757 |
| 40 | 39.6832115676 |
| 50 | 49.6040144595 |
| 100 | 99.208028919 |
| 500 | 496.040144595 |
| 1000 | 992.0802891901 |
Frequently asked questions
How many maces is 1 momme?
How do I convert mommes to maces?
How do I convert maces back to mommes?
How many maces 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 = 0.9920802892 mace) 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.