Mass and Weight · Unit Converter

Convert Momme to Masha

Convert mommes to mashas instantly. 1 momme = 3.8580893898 masha — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Masha to Momme 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

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.

Indian / South Asian

Masha

What is a masha?

The masha equals about 0.972 gram, or eight ratti.

Origin of the masha

A traditional Indian mass unit in the ratti-masha-tola chain.

Where it is used

Small jewelry and gemstone weights in South Asia.

When and where it was developed

Part of the ancient Indian weight system dating to the Indus Valley era.

Momme to Masha 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 mashas:

1 mom = 3.8580893898 masha
1 masha = 0.2591956533 mom

To convert mommes to mashas, multiply the value in mommes by 3.8580893898. To reverse, multiply mashas by 0.2591956533.

How to use this converter

Type a value into the calculator. The result in mashas updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Masha to Momme converter for the reverse direction.

Step-by-step: convert mommes to mashas

  1. Write down the value in mommes (mom).
  2. Multiply that value by the factor 3.8580893898.
  3. The product is the equivalent value in mashas (masha).
  4. To reverse, multiply the masha value by 0.2591956533.

Worked examples

Example 1 — Convert 1 mom to masha:
1 × 3.8580893898 = 3.8580893898 masha

Example 2 — Convert 100 mom to masha:
100 × 3.8580893898 = 385.8089389771 masha

Real-world example — Adjacent metric sub-units

One momme equals 1,000 mashas. Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.

1 mom × 3.8580893898 = 3.8580893898 masha

Real-world example — Adjacent small-scale precision

One momme equals 1,000 mashas — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).

1 mom × 3.8580893898 = 3.8580893898 masha

Momme to Masha conversion table

Standard reference values for converting mommes to mashas:

Momme [mom]Masha [masha]
0.010.0385808939
0.10.385808939
13.8580893898
27.7161787795
311.5742681693
415.4323575591
519.2904469489
1038.5808938977
2077.1617877954
30115.7426816931
40154.3235755908
50192.9044694885
100385.8089389771
5001929.0446948853
10003858.0893897706

Frequently asked questions

How many mashas is 1 momme?
1 momme equals 3.8580893898 masha.
How do I convert mommes to mashas?
Multiply the value in mommes by 3.8580893898 to get mashas.
How do I convert mashas back to mommes?
Multiply the value in mashas by 0.2591956533, or use the Masha to Momme converter.
How many mashas is 100 mommes?
100 mommes equals 385.8089389771 mashas, because 100 × 3.8580893898 = 385.8089389771.

Convert Momme to other weight units

Show all Momme conversions
Metric / SI (18 units)
Momme to Attogram (ag) Momme to Femtogram (fg) Momme to Picogram (pg) Momme to Nanogram (ng) Momme to Microgram (µg) Momme to Milligram (mg) Momme to Centigram (cg) Momme to Decigram (dg) Momme to Gram (g) Momme to Dekagram (dag) Momme to Hectogram (hg) Momme to Kilogram (kg) Momme to Quintal (metric) (q) Momme to Metric Ton (t) Momme to Gigagram (Gg) Momme to Teragram (Tg) Momme to Petagram (Pg) Momme to Exagram (Eg)
Avoirdupois (15 units)
Momme to Grain (gr) Momme to Dram (avoirdupois) (dr) Momme to Ounce (oz) Momme to Pound (lb) Momme to Clove (clove) Momme to Stone (US) (st) Momme to Stone (UK) (st) Momme to Quarter (US) (qr) Momme to Quarter (UK) (qr) Momme to Hundredweight (US) (cwt) Momme to Hundredweight (UK) (cwt) Momme to Wey (wey) Momme to Kilopound (kip) (kip) Momme to Ton (short, US) (sh tn) Momme to Ton (long, UK) (long tn)
Troy & Apothecary (9 units)
Momme to Point (1/100 carat) (pt) Momme to Carat (metric) (ct) Momme to Scruple (apothecary) (s ap) Momme to Pennyweight (dwt) Momme to Mace (mace) Momme to Dram (apothecary/troy) (dr ap) Momme to Troy Ounce (oz t) Momme to Tael (tael) Momme to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Momme to Ratti (ratti) Momme to Masha (masha) Momme to Tola (tola) Momme to Chittack (Chatank) (chittack) Momme to Seer (Ser) (seer) Momme to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Momme to Electron Mass (rest) (me) Momme to MeV/c2 (MeV/c²) Momme to Muon Mass (mµ) Momme to Atomic Mass Unit (u) Momme to Proton Mass (mp) Momme to Neutron Mass (mn) Momme to Deuteron Mass (md) Momme to Carbon-12 Atom Mass (C-12) Momme to Planck Mass (mP)
Astronomical (4 units)
Momme to Lunar Mass (Moon) (M☾) Momme to Earth's Mass (M⊕) Momme to Jupiter Mass (MJ) Momme to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Momme to Lepton (Biblical Roman) (lepton) Momme to Quadrans (Biblical Roman) (quadrans) Momme to Assarion (Biblical Roman) (assarion) Momme to Gerah (Biblical Hebrew) (gerah) Momme to Drachma (Biblical Greek) (drachma) Momme to Denarius (Biblical Roman) (denarius) Momme to Bekan (Biblical Hebrew) (bekah) Momme to Didrachma (Biblical Greek) (didrachma) Momme to Shekel (Biblical Hebrew) (shekel) Momme to Tetradrachma (Biblical Greek) (tetra) Momme to Mina (Biblical Greek) (mina) Momme to Mina (Biblical Hebrew) (mina) Momme to Talent (Biblical Greek) (talent) Momme to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Momme to Poundal (pdl) Momme to Ton (assay) (US) (AT) Momme to Ton (assay) (UK) (AT) Momme to Kilogram-force square second/meter (hyl) Momme to Slug (slug)

Sources & references

Conversion factor (1 mom = 3.8580893898 masha) verified against the following authoritative sources:

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