Convert Mace to Pennyweight
Convert maces to pennyweights instantly. 1 mace = 2.4305553501 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight to Mace converter for the reverse conversion.
Units explained
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.
Pennyweight
The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).
From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.
Jewelry making and precious-metal scrap valuation in the US.
Derived from the medieval English coinage system.
Mace to Pennyweight 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 pennyweights:
To convert maces to pennyweights, multiply the value in maces by 2.4305553501. To reverse, multiply pennyweights by 0.4114286062.
How to use this converter
Type a value into the calculator. The result in pennyweights updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pennyweight to Mace converter for the reverse direction.
Step-by-step: convert maces to pennyweights
- Write down the value in maces (mace).
- Multiply that value by the factor 2.4305553501.
- The product is the equivalent value in pennyweights (dwt).
- To reverse, multiply the pennyweight value by 0.4114286062.
Worked examples
Example 1 — Convert 1 mace to dwt:
1 × 2.4305553501 = 2.4305553501 dwt
Example 2 — Convert 100 mace to dwt:
100 × 2.4305553501 = 243.0555350148 dwt
Real-world example — Postcard and small-object dimensions
A postcard is about 5 maces wide. Converting to pennyweights is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 mace × 2.4305553501 = 12.1527767507 dwt
Real-world example — Ruler-scale measurements
A 30-mace school ruler converts cleanly to pennyweights — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 mace × 2.4305553501 = 72.9166605044 dwt
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 pennyweights daily when mixing metric and imperial tools.
10 mace × 2.4305553501 = 24.3055535015 dwt
Mace to Pennyweight conversion table
Standard reference values for converting maces to pennyweights:
| Mace [mace] | Pennyweight [dwt] |
|---|---|
| 0.01 | 0.0243055535 |
| 0.1 | 0.243055535 |
| 1 | 2.4305553501 |
| 2 | 4.8611107003 |
| 3 | 7.2916660504 |
| 4 | 9.7222214006 |
| 5 | 12.1527767507 |
| 10 | 24.3055535015 |
| 20 | 48.611107003 |
| 30 | 72.9166605044 |
| 40 | 97.2222140059 |
| 50 | 121.5277675074 |
| 100 | 243.0555350148 |
| 500 | 1215.277675074 |
| 1000 | 2430.555350148 |
Frequently asked questions
How many pennyweights is 1 mace?
How do I convert maces to pennyweights?
How do I convert pennyweights back to maces?
How many pennyweights is 100 maces?
Popular weight unit conversions
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)
Sources & references
Conversion factor (1 mace = 2.4305553501 dwt) 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.