Mass and Weight · Unit Converter

Convert Milligram to Momme

Convert milligrams to mommes instantly. 1 milligram = 0.0002666667 momme — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Momme to Milligram 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

Metric / SI

Milligram

What is a milligram?

A milligram (mg) equals one-millionth of a kilogram, or 0.001 gram.

Origin of the milligram

From the SI prefix 'milli-' (from Latin 'mille', thousand).

Where it is used

Standard for medicine dosing, nutrition labels, and fine jewelry.

When and where it was developed

Part of the original metric system of 1795.

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.

Milligram 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 milligrams and mommes:

1 mg = 0.0002666667 mom
1 mom = 3750 mg

To convert milligrams to mommes, multiply the value in milligrams by 0.0002666667. To reverse, multiply mommes by 3750.

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 Milligram converter for the reverse direction.

Step-by-step: convert milligrams to mommes

  1. Write down the value in milligrams (mg).
  2. Multiply that value by the factor 0.0002666667.
  3. The product is the equivalent value in mommes (mom).
  4. To reverse, multiply the momme value by 3750.

Worked examples

Example 1 — Convert 1 mg to mom:
1 × 0.0002666667 = 0.0002666667 mom

Example 2 — Convert 100 mg to mom:
100 × 0.0002666667 = 0.0266666667 mom

Real-world example — Plastic film and laminate thickness

A 500-milligram sheet is a typical spec for ID-card laminates and film overlays. Converting to mommes aligns the value with the unit most CAD systems and material datasheets prefer.

500 mg × 0.0002666667 = 0.1333333333 mom

Real-world example — Packaging gauge

A 4-milligram plastic bag thickness is a common spec for grocery and freezer bags. Converting from milligrams to mommes is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 mg × 0.0002666667 = 0.0010666667 mom

Milligram to Momme conversion table

Standard reference values for converting milligrams to mommes:

Milligram [mg]Momme [mom]
0.012.666667e-6
0.12.666667e-5
10.0002666667
20.0005333333
30.0008
40.0010666667
50.0013333333
100.0026666667
200.0053333333
300.008
400.0106666667
500.0133333333
1000.0266666667
5000.1333333333
10000.2666666667

Frequently asked questions

How many mommes is 1 milligram?
1 milligram equals 0.0002666667 momme.
How do I convert milligrams to mommes?
Multiply the value in milligrams by 0.0002666667 to get mommes.
How do I convert mommes back to milligrams?
Multiply the value in mommes by 3750, or use the Momme to Milligram converter.
How many mommes is 100 milligrams?
100 milligrams equals 0.0266666667 mommes, because 100 × 0.0002666667 = 0.0266666667.

Convert Milligram to other weight units

Show all Milligram conversions
Metric / SI (17 units)
Milligram to Attogram (ag) Milligram to Femtogram (fg) Milligram to Picogram (pg) Milligram to Nanogram (ng) Milligram to Microgram (µg) Milligram to Centigram (cg) Milligram to Decigram (dg) Milligram to Gram (g) Milligram to Dekagram (dag) Milligram to Hectogram (hg) Milligram to Kilogram (kg) Milligram to Quintal (metric) (q) Milligram to Metric Ton (t) Milligram to Gigagram (Gg) Milligram to Teragram (Tg) Milligram to Petagram (Pg) Milligram to Exagram (Eg)
Avoirdupois (15 units)
Milligram to Grain (gr) Milligram to Dram (avoirdupois) (dr) Milligram to Ounce (oz) Milligram to Pound (lb) Milligram to Clove (clove) Milligram to Stone (US) (st) Milligram to Stone (UK) (st) Milligram to Quarter (US) (qr) Milligram to Quarter (UK) (qr) Milligram to Hundredweight (US) (cwt) Milligram to Hundredweight (UK) (cwt) Milligram to Wey (wey) Milligram to Kilopound (kip) (kip) Milligram to Ton (short, US) (sh tn) Milligram to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Milligram to Point (1/100 carat) (pt) Milligram to Carat (metric) (ct) Milligram to Scruple (apothecary) (s ap) Milligram to Pennyweight (dwt) Milligram to Momme (mom) Milligram to Mace (mace) Milligram to Dram (apothecary/troy) (dr ap) Milligram to Troy Ounce (oz t) Milligram to Tael (tael) Milligram to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Milligram to Ratti (ratti) Milligram to Masha (masha) Milligram to Tola (tola) Milligram to Chittack (Chatank) (chittack) Milligram to Seer (Ser) (seer) Milligram to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Milligram to Electron Mass (rest) (me) Milligram to MeV/c2 (MeV/c²) Milligram to Muon Mass (mµ) Milligram to Atomic Mass Unit (u) Milligram to Proton Mass (mp) Milligram to Neutron Mass (mn) Milligram to Deuteron Mass (md) Milligram to Carbon-12 Atom Mass (C-12) Milligram to Planck Mass (mP)
Astronomical (4 units)
Milligram to Lunar Mass (Moon) (M☾) Milligram to Earth's Mass (M⊕) Milligram to Jupiter Mass (MJ) Milligram to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Milligram to Lepton (Biblical Roman) (lepton) Milligram to Quadrans (Biblical Roman) (quadrans) Milligram to Assarion (Biblical Roman) (assarion) Milligram to Gerah (Biblical Hebrew) (gerah) Milligram to Drachma (Biblical Greek) (drachma) Milligram to Denarius (Biblical Roman) (denarius) Milligram to Bekan (Biblical Hebrew) (bekah) Milligram to Didrachma (Biblical Greek) (didrachma) Milligram to Shekel (Biblical Hebrew) (shekel) Milligram to Tetradrachma (Biblical Greek) (tetra) Milligram to Mina (Biblical Greek) (mina) Milligram to Mina (Biblical Hebrew) (mina) Milligram to Talent (Biblical Greek) (talent) Milligram to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Milligram to Poundal (pdl) Milligram to Ton (assay) (US) (AT) Milligram to Ton (assay) (UK) (AT) Milligram to Kilogram-force square second/meter (hyl) Milligram to Slug (slug)

Sources & references

Conversion factor (1 mg = 0.0002666667 mom) verified against the following authoritative sources:

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