Mass and Weight · Unit Converter

Convert Point (1/100 carat) to Ton (assay) (US)

Convert points (1/100 carat) to tons (assay) (us) instantly. 1 point (1/100 carat) = 6.857142e-5 ton (assay) (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (assay) (US) to Point (1/100 carat) 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

Point (1/100 carat)

What is a point (1/100 carat)?

A point equals one-hundredth of a carat, or 2 milligrams.

Origin of the point (1/100 carat)

A subdivision of the metric carat for very small stones.

Where it is used

The diamond trade, for sub-carat stones.

When and where it was developed

Adopted alongside the metric carat in the 20th-century gem trade.

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.

Point (1/100 carat) to Ton (assay) (US) conversion formula

The relationship between points (1/100 carat) and tons (assay) (us):

1 pt = 6.857142e-5 AT
1 AT = 14583.335 pt

To convert points (1/100 carat) to tons (assay) (us), multiply the value in points (1/100 carat) by 6.857142e-5. To reverse, multiply tons (assay) (us) by 14583.335.

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 Point (1/100 carat) converter for the reverse direction.

Step-by-step: convert points (1/100 carat) to tons (assay) (us)

  1. Write down the value in points (1/100 carat) (pt).
  2. Multiply that value by the factor 6.857142e-5.
  3. The product is the equivalent value in tons (assay) (us) (AT).
  4. To reverse, multiply the ton (assay) (us) value by 14583.335.

Worked examples

Example 1 — Convert 1 pt to AT:
1 × 6.857142e-5 = 6.857142e-5 AT

Example 2 — Convert 100 pt to AT:
100 × 6.857142e-5 = 0.0068571421 AT

Real-world example — Packaging gauge

A 4-point (1/100 carat) plastic bag thickness is a common spec for grocery and freezer bags. Converting from points (1/100 carat) to tons (assay) (us) is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 pt × 6.857142e-5 = 0.0002742857 AT

Real-world example — Plastic film and laminate thickness

A 500-point (1/100 carat) sheet is a typical spec for ID-card laminates and film overlays. Converting to tons (assay) (us) aligns the value with the unit most CAD systems and material datasheets prefer.

500 pt × 6.857142e-5 = 0.0342857104 AT

Point (1/100 carat) to Ton (assay) (US) conversion table

Standard reference values for converting points (1/100 carat) to tons (assay) (us):

Point (1/100 carat) [pt]Ton (assay) (US) [AT]
0.016.857142e-7
0.16.857142e-6
16.857142e-5
20.0001371428
30.0002057143
40.0002742857
50.0003428571
100.0006857142
200.0013714284
300.0020571426
400.0027428568
500.003428571
1000.0068571421
5000.0342857104
10000.0685714207

Frequently asked questions

How many tons (assay) (us) is 1 point (1/100 carat)?
1 point (1/100 carat) equals 6.857142e-5 ton (assay) (us).
How do I convert points (1/100 carat) to tons (assay) (us)?
Multiply the value in points (1/100 carat) by 6.857142e-5 to get tons (assay) (us).
How do I convert tons (assay) (us) back to points (1/100 carat)?
Multiply the value in tons (assay) (us) by 14583.335, or use the Ton (assay) (US) to Point (1/100 carat) converter.
How many tons (assay) (us) is 100 points (1/100 carat)?
100 points (1/100 carat) equals 0.0068571421 tons (assay) (us), because 100 × 6.857142e-5 = 0.0068571421.

Convert Point (1/100 carat) to other weight units

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

Sources & references

Conversion factor (1 pt = 6.857142e-5 AT) verified against the following authoritative sources:

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