Mass and Weight · Unit Converter

Convert Point (1/100 carat) to Stone (US)

Convert points (1/100 carat) to stones (us) instantly. 1 point (1/100 carat) = 3.527396e-7 stone (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Stone (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.

Avoirdupois

Stone (US)

What is a stone (us)?

A less common US definition of the stone, about 5.67 kilograms.

Origin of the stone (us)

A variant stone weight used in some historical US trade.

Where it is used

Rare; appears mainly in historical or specialized contexts.

When and where it was developed

Derived from older English stone weights that varied by commodity.

Point (1/100 carat) to Stone (US) conversion formula

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

1 pt = 3.527396e-7 st
1 st = 2834952.3125 pt

To convert points (1/100 carat) to stones (us), multiply the value in points (1/100 carat) by 3.527396e-7. To reverse, multiply stones (us) by 2834952.3125.

How to use this converter

Type a value into the calculator. The result in stones (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 Stone (US) to Point (1/100 carat) converter for the reverse direction.

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

  1. Write down the value in points (1/100 carat) (pt).
  2. Multiply that value by the factor 3.527396e-7.
  3. The product is the equivalent value in stones (us) (st).
  4. To reverse, multiply the stone (us) value by 2834952.3125.

Worked examples

Example 1 — Convert 1 pt to st:
1 × 3.527396e-7 = 3.527396e-7 st

Example 2 — Convert 100 pt to st:
100 × 3.527396e-7 = 3.527396e-5 st

Real-world example — Macro-scale buildup

A million points (1/100 carat) equals exactly one stone (us) — the conversion that bridges microscale features and macroscale objects in microfluidic, biomedical, and semiconductor packaging design.

1000000 pt × 3.527396e-7 = 0.3527396195 st

Real-world example — Quarter-meter measurement reference

A 250,000-point (1/100 carat) length equals 0.25 stones (us) — useful for comparing supply-chain spec sheets where some lengths are quoted in the smaller unit and some in the larger.

250000 pt × 3.527396e-7 = 0.0881849049 st

Real-world example — From microscopic to macroscopic

A million points (1/100 carat) equals exactly one stone (us). This kind of conversion appears in microfluidics, where total channel length is given in stones (us) but feature widths are in points (1/100 carat).

1000000 pt × 3.527396e-7 = 0.3527396195 st

Point (1/100 carat) to Stone (US) conversion table

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

Point (1/100 carat) [pt]Stone (US) [st]
0.013.527396e-9
0.13.527396e-8
13.527396e-7
27.054792e-7
31.058219e-6
41.410958e-6
51.763698e-6
103.527396e-6
207.054792e-6
301.058219e-5
401.410958e-5
501.763698e-5
1003.527396e-5
5000.0001763698
10000.0003527396

Frequently asked questions

How many stones (us) is 1 point (1/100 carat)?
1 point (1/100 carat) equals 3.527396e-7 stone (us).
How do I convert points (1/100 carat) to stones (us)?
Multiply the value in points (1/100 carat) by 3.527396e-7 to get stones (us).
How do I convert stones (us) back to points (1/100 carat)?
Multiply the value in stones (us) by 2834952.3125, or use the Stone (US) to Point (1/100 carat) converter.
How many stones (us) is 100 points (1/100 carat)?
100 points (1/100 carat) equals 3.527396e-5 stones (us), because 100 × 3.527396e-7 = 3.527396e-5.

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

Show all Point (1/100 carat) 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)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 pt = 3.527396e-7 st) verified against the following authoritative sources:

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