Mass and Weight · Unit Converter

Convert Point (1/100 carat) to Quarter (UK)

Convert points (1/100 carat) to quarters (uk) instantly. 1 point (1/100 carat) = 1.57473e-7 quarter (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Quarter (UK) 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.

Avoirdupois

Quarter (UK)

What is a quarter (uk)?

The UK quarter equals one-fourth of a long hundredweight, 28 pounds (about 12.7 kg).

Origin of the quarter (uk)

A 'quarter' of the hundredweight in the British imperial system.

Where it is used

Historical British trade in coal, grain, and agricultural goods.

When and where it was developed

Defined within the imperial hundredweight system.

Point (1/100 carat) to Quarter (UK) conversion formula

The relationship between points (1/100 carat) and quarters (uk):

1 pt = 1.57473e-7 qr
1 qr = 6350293.1800000016 pt

To convert points (1/100 carat) to quarters (uk), multiply the value in points (1/100 carat) by 1.57473e-7. To reverse, multiply quarters (uk) by 6350293.1800000016.

How to use this converter

Type a value into the calculator. The result in quarters (uk) 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 (UK) to Point (1/100 carat) converter for the reverse direction.

Step-by-step: convert points (1/100 carat) to quarters (uk)

  1. Write down the value in points (1/100 carat) (pt).
  2. Multiply that value by the factor 1.57473e-7.
  3. The product is the equivalent value in quarters (uk) (qr).
  4. To reverse, multiply the quarter (uk) value by 6350293.1800000016.

Worked examples

Example 1 — Convert 1 pt to qr:
1 × 1.57473e-7 = 1.57473e-7 qr

Example 2 — Convert 100 pt to qr:
100 × 1.57473e-7 = 1.57473e-5 qr

Real-world example — Paper and film thicknesses

At the thickness of office paper (roughly 3 points (1/100 carat)), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.

3 pt × 1.57473e-7 = 4.724191e-7 qr

Real-world example — Plastic-film thickness alternates

A 150-point (1/100 carat) plastic film converts cleanly to quarters (uk) — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.

150 pt × 1.57473e-7 = 2.362096e-5 qr

Real-world example — Hair-width scale measurements

A 70-point (1/100 carat) measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like quarters (uk) for direct comparison across supplier datasheets.

70 pt × 1.57473e-7 = 1.102311e-5 qr

Point (1/100 carat) to Quarter (UK) conversion table

Standard reference values for converting points (1/100 carat) to quarters (uk):

Point (1/100 carat) [pt]Quarter (UK) [qr]
0.011.57473e-9
0.11.57473e-8
11.57473e-7
23.149461e-7
34.724191e-7
46.298922e-7
57.873652e-7
101.57473e-6
203.149461e-6
304.724191e-6
406.298922e-6
507.873652e-6
1001.57473e-5
5007.873652e-5
10000.000157473

Frequently asked questions

How many quarters (uk) is 1 point (1/100 carat)?
1 point (1/100 carat) equals 1.57473e-7 quarter (uk).
How do I convert points (1/100 carat) to quarters (uk)?
Multiply the value in points (1/100 carat) by 1.57473e-7 to get quarters (uk).
How do I convert quarters (uk) back to points (1/100 carat)?
Multiply the value in quarters (uk) by 6350293.1800000016, or use the Quarter (UK) to Point (1/100 carat) converter.
How many quarters (uk) is 100 points (1/100 carat)?
100 points (1/100 carat) equals 1.57473e-5 quarters (uk), because 100 × 1.57473e-7 = 1.57473e-5.

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 = 1.57473e-7 qr) verified against the following authoritative sources:

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