Mass and Weight · Unit Converter

Convert Mace to Quarter (US)

Convert maces to quarters (us) instantly. 1 mace = 0.0003333333 quarter (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Quarter (US) 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.

Avoirdupois

Quarter (US)

What is a quarter (us)?

The US quarter equals one-fourth of a short hundredweight, 25 pounds (about 11.34 kg).

Origin of the quarter (us)

A 'quarter' of the US short hundredweight.

Where it is used

US agricultural and commodity weighing.

When and where it was developed

Defined within the US customary hundredweight system.

Mace to Quarter (US) 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 quarters (us):

1 mace = 0.0003333333 qr
1 qr = 3000.0003306934 mace

To convert maces to quarters (us), multiply the value in maces by 0.0003333333. To reverse, multiply quarters (us) by 3000.0003306934.

How to use this converter

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

Step-by-step: convert maces to quarters (us)

  1. Write down the value in maces (mace).
  2. Multiply that value by the factor 0.0003333333.
  3. The product is the equivalent value in quarters (us) (qr).
  4. To reverse, multiply the quarter (us) value by 3000.0003306934.

Worked examples

Example 1 — Convert 1 mace to qr:
1 × 0.0003333333 = 0.0003333333 qr

Example 2 — Convert 100 mace to qr:
100 × 0.0003333333 = 0.0333333297 qr

Real-world example — Ruler-scale measurements

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

30 mace × 0.0003333333 = 0.0099999989 qr

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 quarters (us) daily when mixing metric and imperial tools.

10 mace × 0.0003333333 = 0.003333333 qr

Real-world example — Postcard and small-object dimensions

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

5 mace × 0.0003333333 = 0.0016666665 qr

Mace to Quarter (US) conversion table

Standard reference values for converting maces to quarters (us):

Mace [mace]Quarter (US) [qr]
0.013.333333e-6
0.13.333333e-5
10.0003333333
20.0006666666
30.0009999999
40.0013333332
50.0016666665
100.003333333
200.0066666659
300.0099999989
400.0133333319
500.0166666648
1000.0333333297
5000.1666666483
10000.3333332966

Frequently asked questions

How many quarters (us) is 1 mace?
1 mace equals 0.0003333333 quarter (us).
How do I convert maces to quarters (us)?
Multiply the value in maces by 0.0003333333 to get quarters (us).
How do I convert quarters (us) back to maces?
Multiply the value in quarters (us) by 3000.0003306934, or use the Quarter (US) to Mace converter.
How many quarters (us) is 100 maces?
100 maces equals 0.0333333297 quarters (us), because 100 × 0.0003333333 = 0.0333333297.

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 = 0.0003333333 qr) verified against the following authoritative sources:

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