Mass and Weight · Unit Converter

Convert Mace to Ton (assay) (US)

Convert maces to tons (assay) (us) instantly. 1 mace = 0.1295977909 ton (assay) (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (assay) (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.

Force / Engineering

Ton (assay) (US)

What is a ton (assay) (us)?

The assay ton (US) equals about 29.167 grams, a mining-assay convenience unit.

Origin of the ton (assay) (us)

Devised so an assay sample's metal in milligrams reads as troy ounces per short ton.

Where it is used

Ore assaying and metallurgy.

When and where it was developed

Adopted in assay laboratories to simplify ore-grade calculation.

Mace to Ton (assay) (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 tons (assay) (us):

1 mace = 0.1295977909 AT
1 AT = 7.7161809089 mace

To convert maces to tons (assay) (us), multiply the value in maces by 0.1295977909. To reverse, multiply tons (assay) (us) by 7.7161809089.

How to use this converter

Type a value into the calculator. The result in tons (assay) (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 Ton (assay) (US) to Mace converter for the reverse direction.

Step-by-step: convert maces to tons (assay) (us)

  1. Write down the value in maces (mace).
  2. Multiply that value by the factor 0.1295977909.
  3. The product is the equivalent value in tons (assay) (us) (AT).
  4. To reverse, multiply the ton (assay) (us) value by 7.7161809089.

Worked examples

Example 1 — Convert 1 mace to AT:
1 × 0.1295977909 = 0.1295977909 AT

Example 2 — Convert 100 mace to AT:
100 × 0.1295977909 = 12.9597790903 AT

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 tons (assay) (us) daily when mixing metric and imperial tools.

10 mace × 0.1295977909 = 1.295977909 AT

Real-world example — Postcard and small-object dimensions

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

5 mace × 0.1295977909 = 0.6479889545 AT

Real-world example — Ruler-scale measurements

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

30 mace × 0.1295977909 = 3.8879337271 AT

Mace to Ton (assay) (US) conversion table

Standard reference values for converting maces to tons (assay) (us):

Mace [mace]Ton (assay) (US) [AT]
0.010.0012959779
0.10.0129597791
10.1295977909
20.2591955818
30.3887933727
40.5183911636
50.6479889545
101.295977909
202.5919558181
303.8879337271
405.1839116361
506.4798895452
10012.9597790903
50064.7988954516
1000129.5977909031

Frequently asked questions

How many tons (assay) (us) is 1 mace?
1 mace equals 0.1295977909 ton (assay) (us).
How do I convert maces to tons (assay) (us)?
Multiply the value in maces by 0.1295977909 to get tons (assay) (us).
How do I convert tons (assay) (us) back to maces?
Multiply the value in tons (assay) (us) by 7.7161809089, or use the Ton (assay) (US) to Mace converter.
How many tons (assay) (us) is 100 maces?
100 maces equals 12.9597790903 tons (assay) (us), because 100 × 0.1295977909 = 12.9597790903.

Convert Mace to other weight units

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

Sources & references

Conversion factor (1 mace = 0.1295977909 AT) verified against the following authoritative sources:

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