Mass and Weight · Unit Converter

Convert Mace to Troy Ounce

Convert maces to troy ounces instantly. 1 mace = 0.1215277644 troy ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Troy Ounce to Mace 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

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.

Troy & Apothecary

Troy Ounce

What is a troy ounce?

The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.

Origin of the troy ounce

From the Troy system of weights associated with Troyes, France.

Where it is used

The global standard for pricing gold, silver, platinum, and palladium.

When and where it was developed

Established in the medieval Troy system and retained for precious metals.

Mace to Troy Ounce 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 maces and troy ounces:

1 mace = 0.1215277644 oz t
1 oz t = 8.2285723356 mace

To convert maces to troy ounces, multiply the value in maces by 0.1215277644. To reverse, multiply troy ounces by 8.2285723356.

How to use this converter

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

Step-by-step: convert maces to troy ounces

  1. Write down the value in maces (mace).
  2. Multiply that value by the factor 0.1215277644.
  3. The product is the equivalent value in troy ounces (oz t).
  4. To reverse, multiply the troy ounce value by 8.2285723356.

Worked examples

Example 1 — Convert 1 mace to oz t:
1 × 0.1215277644 = 0.1215277644 oz t

Example 2 — Convert 100 mace to oz t:
100 × 0.1215277644 = 12.1527764382 oz t

Real-world example — Ruler-scale measurements

A 30-mace school ruler converts cleanly to troy ounces — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 mace × 0.1215277644 = 3.6458329314 oz t

Real-world example — Hardware-scale dimensions

A 10-mace fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between maces and troy ounces daily when mixing metric and imperial tools.

10 mace × 0.1215277644 = 1.2152776438 oz t

Real-world example — Postcard and small-object dimensions

A postcard is about 5 maces wide. Converting to troy ounces is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 mace × 0.1215277644 = 0.6076388219 oz t

Mace to Troy Ounce conversion table

Standard reference values for converting maces to troy ounces:

Mace [mace]Troy Ounce [oz t]
0.010.0012152776
0.10.0121527764
10.1215277644
20.2430555288
30.3645832931
40.4861110575
50.6076388219
101.2152776438
202.4305552876
303.6458329314
404.8611105753
506.0763882191
10012.1527764382
50060.7638821908
1000121.5277643816

Frequently asked questions

How many troy ounces is 1 mace?
1 mace equals 0.1215277644 troy ounce.
How do I convert maces to troy ounces?
Multiply the value in maces by 0.1215277644 to get troy ounces.
How do I convert troy ounces back to maces?
Multiply the value in troy ounces by 8.2285723356, or use the Troy Ounce to Mace converter.
How many troy ounces is 100 maces?
100 maces equals 12.1527764382 troy ounces, because 100 × 0.1215277644 = 12.1527764382.

Convert Mace to other weight units

Show all Mace 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 mace = 0.1215277644 oz t) verified against the following authoritative sources:

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