Convert Momme to Dekagram
Convert mommes to dekagrams instantly. 1 momme = 0.375 dekagram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dekagram 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.
Dekagram
A dekagram (dag) equals 0.01 kilogram, or 10 grams.
From the SI prefix 'deka-' (from Greek 'deka', ten).
Widely used in Central and Eastern European cooking and shops (dag/dkg).
Part of the original metric system introduced in 1795.
Momme to Dekagram 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 dekagrams:
To convert mommes to dekagrams, multiply the value in mommes by 0.375. To reverse, multiply dekagrams by 2.6666666667.
How to use this converter
Type a value into the calculator. The result in dekagrams updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Dekagram to Momme converter for the reverse direction.
Step-by-step: convert mommes to dekagrams
- Write down the value in mommes (mom).
- Multiply that value by the factor 0.375.
- The product is the equivalent value in dekagrams (dag).
- To reverse, multiply the dekagram value by 2.6666666667.
Worked examples
Example 1 — Convert 1 mom to dag:
1 × 0.375 = 0.375 dag
Example 2 — Convert 100 mom to dag:
100 × 0.375 = 37.5 dag
Real-world example — Ruler-scale measurements
A 30-momme school ruler converts cleanly to dekagrams — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 mom × 0.375 = 11.25 dag
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 dekagrams daily when mixing metric and imperial tools.
10 mom × 0.375 = 3.75 dag
Real-world example — Postcard and small-object dimensions
A postcard is about 5 mommes wide. Converting to dekagrams is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 mom × 0.375 = 1.875 dag
Momme to Dekagram conversion table
Standard reference values for converting mommes to dekagrams:
| Momme [mom] | Dekagram [dag] |
|---|---|
| 0.01 | 0.00375 |
| 0.1 | 0.0375 |
| 1 | 0.375 |
| 2 | 0.75 |
| 3 | 1.125 |
| 4 | 1.5 |
| 5 | 1.875 |
| 10 | 3.75 |
| 20 | 7.5 |
| 30 | 11.25 |
| 40 | 15 |
| 50 | 18.75 |
| 100 | 37.5 |
| 500 | 187.5 |
| 1000 | 375 |
Frequently asked questions
How many dekagrams is 1 momme?
How do I convert mommes to dekagrams?
How do I convert dekagrams back to mommes?
How many dekagrams is 100 mommes?
Popular weight unit conversions
Convert Momme to other weight units
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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 = 0.375 dag) 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.