Mass and Weight · Unit Converter

Convert Carat (metric) to Maund (Mann)

Convert carats (metric) to maunds (mann) instantly. 1 carat (metric) = 5.358458e-6 maund (mann) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Maund (Mann) 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

Maund (Mann)

What is a maund (mann)?

The maund (mann) equals 40 seer, about 37.32 kilograms.

Origin of the maund (mann)

From Persian 'man' via Arabic, denoting a porter's load.

Where it is used

Bulk agricultural and commodity trade across South Asia.

When and where it was developed

British Indian maund fixed at 100 troy pounds (37.324 kg) in 1833.

Carat (metric) to Maund (Mann) 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 maunds (mann):

1 ct = 5.358458e-6 maund
1 maund = 186620.861 ct

To convert carats (metric) to maunds (mann), multiply the value in carats (metric) by 5.358458e-6. To reverse, multiply maunds (mann) by 186620.861.

How to use this converter

Type a value into the calculator. The result in maunds (mann) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Maund (Mann) to Carat (metric) converter for the reverse direction.

Step-by-step: convert carats (metric) to maunds (mann)

  1. Write down the value in carats (metric) (ct).
  2. Multiply that value by the factor 5.358458e-6.
  3. The product is the equivalent value in maunds (mann) (maund).
  4. To reverse, multiply the maund (mann) value by 186620.861.

Worked examples

Example 1 — Convert 1 ct to maund:
1 × 5.358458e-6 = 5.358458e-6 maund

Example 2 — Convert 100 ct to maund:
100 × 5.358458e-6 = 0.0005358458 maund

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 × 5.358458e-6 = 1.607537e-5 maund

Real-world example — Plastic-film thickness alternates

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

150 ct × 5.358458e-6 = 0.0008037687 maund

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 maunds (mann) for direct comparison across supplier datasheets.

70 ct × 5.358458e-6 = 0.000375092 maund

Carat (metric) to Maund (Mann) conversion table

Standard reference values for converting carats (metric) to maunds (mann):

Carat (metric) [ct]Maund (Mann) [maund]
0.015.358458e-8
0.15.358458e-7
15.358458e-6
21.071692e-5
31.607537e-5
42.143383e-5
52.679229e-5
105.358458e-5
200.0001071692
300.0001607537
400.0002143383
500.0002679229
1000.0005358458
5000.0026792289
10000.0053584578

Frequently asked questions

How many maunds (mann) is 1 carat (metric)?
1 carat (metric) equals 5.358458e-6 maund (mann).
How do I convert carats (metric) to maunds (mann)?
Multiply the value in carats (metric) by 5.358458e-6 to get maunds (mann).
How do I convert maunds (mann) back to carats (metric)?
Multiply the value in maunds (mann) by 186620.861, or use the Maund (Mann) to Carat (metric) converter.
How many maunds (mann) is 100 carats (metric)?
100 carats (metric) equals 0.0005358458 maunds (mann), because 100 × 5.358458e-6 = 0.0005358458.

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 = 5.358458e-6 maund) verified against the following authoritative sources:

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