Mass and Weight · Unit Converter

Convert Mace to Momme

Convert maces to mommes instantly. 1 mace = 1.0079829333 momme — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Momme to Mace converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Troy & Apothecary

Mace

What is a mace?

The mace equals one-tenth of a tael, about 3.78 grams.

Origin of the mace

From the Chinese 'qian'; 'mace' is the European trade name.

Where it is used

Chinese and Southeast Asian gold and traditional-medicine trade.

When and where it was developed

Part of the traditional Chinese tael system.

Troy & Apothecary

Momme

What is a momme?

The momme (mom) equals 3.75 grams.

Origin of the momme

A traditional Japanese mass unit (Japanese 'monme').

Where it is used

Pearls, and as the standard weight grade for silk fabric.

When and where it was developed

Part of the traditional Japanese shakkanho system.

Mace 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 maces and mommes:

1 mace = 1.0079829333 mom
1 mom = 0.9920802892 mace

To convert maces to mommes, multiply the value in maces by 1.0079829333. To reverse, multiply mommes by 0.9920802892.

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 Mace converter for the reverse direction.

Step-by-step: convert maces to mommes

  1. Write down the value in maces (mace).
  2. Multiply that value by the factor 1.0079829333.
  3. The product is the equivalent value in mommes (mom).
  4. To reverse, multiply the momme value by 0.9920802892.

Worked examples

Example 1 — Convert 1 mace to mom:
1 × 1.0079829333 = 1.0079829333 mom

Example 2 — Convert 100 mace to mom:
100 × 1.0079829333 = 100.7982933333 mom

Real-world example — Postcard and small-object dimensions

A postcard is about 5 maces wide. Converting to mommes is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 mace × 1.0079829333 = 5.0399146667 mom

Real-world example — Ruler-scale measurements

A 30-mace school ruler converts cleanly to mommes — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 mace × 1.0079829333 = 30.239488 mom

Real-world example — Hardware-scale dimensions

A 10-mace fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between maces and mommes daily when mixing metric and imperial tools.

10 mace × 1.0079829333 = 10.0798293333 mom

Mace to Momme conversion table

Standard reference values for converting maces to mommes:

Mace [mace]Momme [mom]
0.010.0100798293
0.10.1007982933
11.0079829333
22.0159658667
33.0239488
44.0319317333
55.0399146667
1010.0798293333
2020.1596586667
3030.239488
4040.3193173333
5050.3991466667
100100.7982933333
500503.9914666667
10001007.9829333333

Frequently asked questions

How many mommes is 1 mace?
1 mace equals 1.0079829333 momme.
How do I convert maces to mommes?
Multiply the value in maces by 1.0079829333 to get mommes.
How do I convert mommes back to maces?
Multiply the value in mommes by 0.9920802892, or use the Momme to Mace converter.
How many mommes is 100 maces?
100 maces equals 100.7982933333 mommes, because 100 × 1.0079829333 = 100.7982933333.

Convert Mace to other weight units

Show all Mace 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)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 mace = 1.0079829333 mom) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.