Mass and Weight · Unit Converter

Convert Carat (metric) to Mace

Convert carats (metric) to maces instantly. 1 carat (metric) = 0.0529109488 mace — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Mace 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.

Troy & Apothecary

Mace

What is a mace?

The mace equals one-tenth of a tael, about 3.78 grams.

Origin of the mace

From the Chinese 'qian'; 'mace' is the European trade name.

Where it is used

Chinese and Southeast Asian gold and traditional-medicine trade.

When and where it was developed

Part of the traditional Chinese tael system.

Carat (metric) to Mace 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 maces:

1 ct = 0.0529109488 mace
1 mace = 18.89968 ct

To convert carats (metric) to maces, multiply the value in carats (metric) by 0.0529109488. To reverse, multiply maces by 18.89968.

How to use this converter

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

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

  1. Write down the value in carats (metric) (ct).
  2. Multiply that value by the factor 0.0529109488.
  3. The product is the equivalent value in maces (mace).
  4. To reverse, multiply the mace value by 18.89968.

Worked examples

Example 1 — Convert 1 ct to mace:
1 × 0.0529109488 = 0.0529109488 mace

Example 2 — Convert 100 ct to mace:
100 × 0.0529109488 = 5.2910948757 mace

Real-world example — Packaging gauge

A 4-carat (metric) plastic bag thickness is a common spec for grocery and freezer bags. Converting from carats (metric) to maces is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 ct × 0.0529109488 = 0.211643795 mace

Real-world example — Plastic film and laminate thickness

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

500 ct × 0.0529109488 = 26.4554743784 mace

Carat (metric) to Mace conversion table

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

Carat (metric) [ct]Mace [mace]
0.010.0005291095
0.10.0052910949
10.0529109488
20.1058218975
30.1587328463
40.211643795
50.2645547438
100.5291094876
201.0582189751
301.5873284627
402.1164379503
502.6455474378
1005.2910948757
50026.4554743784
100052.9109487568

Frequently asked questions

How many maces is 1 carat (metric)?
1 carat (metric) equals 0.0529109488 mace.
How do I convert carats (metric) to maces?
Multiply the value in carats (metric) by 0.0529109488 to get maces.
How do I convert maces back to carats (metric)?
Multiply the value in maces by 18.89968, or use the Mace to Carat (metric) converter.
How many maces is 100 carats (metric)?
100 carats (metric) equals 5.2910948757 maces, because 100 × 0.0529109488 = 5.2910948757.

Convert Carat (metric) to other weight units

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

Sources & references

Conversion factor (1 ct = 0.0529109488 mace) verified against the following authoritative sources:

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