Convert Ounce to Mace
Convert ounces to maces instantly. 1 ounce = 7.5000008201 mace — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Mace to Ounce converter for the reverse conversion.
Units explained
Ounce
The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.
From Latin 'uncia', meaning a twelfth part.
US food portions, postal weights, and boxing weight classes.
Standardized as 1/16 of the international pound from 1959.
Mace
The mace equals one-tenth of a tael, about 3.78 grams.
From the Chinese 'qian'; 'mace' is the European trade name.
Chinese and Southeast Asian gold and traditional-medicine trade.
Part of the traditional Chinese tael system.
Ounce 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 ounces and maces:
To convert ounces to maces, multiply the value in ounces by 7.5000008201. To reverse, multiply maces by 0.1333333188.
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 Ounce converter for the reverse direction.
Step-by-step: convert ounces to maces
- Write down the value in ounces (oz).
- Multiply that value by the factor 7.5000008201.
- The product is the equivalent value in maces (mace).
- To reverse, multiply the mace value by 0.1333333188.
Worked examples
Example 1 — Convert 1 oz to mace:
1 × 7.5000008201 = 7.5000008201 mace
Example 2 — Convert 100 oz to mace:
100 × 7.5000008201 = 750.000082012 mace
Real-world example — Hardware-scale dimensions
A 10-ounce fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between ounces and maces daily when mixing metric and imperial tools.
10 oz × 7.5000008201 = 75.0000082012 mace
Real-world example — Postcard and small-object dimensions
A postcard is about 5 ounces wide. Converting to maces is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 oz × 7.5000008201 = 37.5000041006 mace
Real-world example — Ruler-scale measurements
A 30-ounce school ruler converts cleanly to maces — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 oz × 7.5000008201 = 225.0000246036 mace
Ounce to Mace conversion table
Standard reference values for converting ounces to maces:
| Ounce [oz] | Mace [mace] |
|---|---|
| 0.01 | 0.0750000082 |
| 0.1 | 0.750000082 |
| 1 | 7.5000008201 |
| 2 | 15.0000016402 |
| 3 | 22.5000024604 |
| 4 | 30.0000032805 |
| 5 | 37.5000041006 |
| 10 | 75.0000082012 |
| 20 | 150.0000164024 |
| 30 | 225.0000246036 |
| 40 | 300.0000328048 |
| 50 | 375.000041006 |
| 100 | 750.000082012 |
| 500 | 3750.0004100599 |
| 1000 | 7500.0008201197 |
Frequently asked questions
How many maces is 1 ounce?
How do I convert ounces to maces?
How do I convert maces back to ounces?
How many maces is 100 ounces?
Popular weight unit conversions
Convert Ounce to other weight units
Show all Ounce conversions
Metric / SI (18 units)
Avoirdupois (14 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 oz = 7.5000008201 mace) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.