Mass and Weight · Unit Converter

Convert Carat (metric) to Masha

Convert carats (metric) to mashas instantly. 1 carat (metric) = 0.2057647675 masha — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Masha to Carat (metric) 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

Carat (metric)

What is a carat (metric)?

The metric carat (ct) equals exactly 200 milligrams (0.0002 kg).

Origin of the carat (metric)

From Arabic 'qirat' and Greek 'keration', the carob seed once used as a counterweight.

Where it is used

The worldwide standard for gemstone and diamond mass.

When and where it was developed

The metric carat was fixed at 200 mg internationally in 1907.

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.

Carat (metric) 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 carats (metric) and mashas:

1 ct = 0.2057647675 masha
1 masha = 4.8599185 ct

To convert carats (metric) to mashas, multiply the value in carats (metric) by 0.2057647675. To reverse, multiply mashas by 4.8599185.

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 Carat (metric) converter for the reverse direction.

Step-by-step: convert carats (metric) to mashas

  1. Write down the value in carats (metric) (ct).
  2. Multiply that value by the factor 0.2057647675.
  3. The product is the equivalent value in mashas (masha).
  4. To reverse, multiply the masha value by 4.8599185.

Worked examples

Example 1 — Convert 1 ct to masha:
1 × 0.2057647675 = 0.2057647675 masha

Example 2 — Convert 100 ct to masha:
100 × 0.2057647675 = 20.5764767454 masha

Real-world example — Hair-width scale measurements

A 70-carat (metric) measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like mashas for direct comparison across supplier datasheets.

70 ct × 0.2057647675 = 14.4035337218 masha

Real-world example — Paper and film thicknesses

At the thickness of office paper (roughly 3 carats (metric)), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.

3 ct × 0.2057647675 = 0.6172943024 masha

Real-world example — Plastic-film thickness alternates

A 150-carat (metric) plastic film converts cleanly to mashas — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.

150 ct × 0.2057647675 = 30.8647151182 masha

Carat (metric) to Masha conversion table

Standard reference values for converting carats (metric) to mashas:

Carat (metric) [ct]Masha [masha]
0.010.0020576477
0.10.0205764767
10.2057647675
20.4115295349
30.6172943024
40.8230590698
51.0288238373
102.0576476745
204.1152953491
306.1729430236
408.2305906982
5010.2882383727
10020.5764767454
500102.8823837272
1000205.7647674544

Frequently asked questions

How many mashas is 1 carat (metric)?
1 carat (metric) equals 0.2057647675 masha.
How do I convert carats (metric) to mashas?
Multiply the value in carats (metric) by 0.2057647675 to get mashas.
How do I convert mashas back to carats (metric)?
Multiply the value in mashas by 4.8599185, or use the Masha to Carat (metric) converter.
How many mashas is 100 carats (metric)?
100 carats (metric) equals 20.5764767454 mashas, because 100 × 0.2057647675 = 20.5764767454.

Convert Carat (metric) to other weight units

Show all Carat (metric) 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 ct = 0.2057647675 masha) verified against the following authoritative sources:

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