Mass and Weight · Unit Converter

Convert Point (1/100 carat) to Wey

Convert points (1/100 carat) to weys instantly. 1 point (1/100 carat) = 1.7497e-8 wey — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Wey 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

Wey

What is a wey?

The wey was an English bulk weight, here taken as 252 pounds (about 114.3 kg).

Origin of the wey

From Old English 'waege', a weighing or balance.

Where it is used

Obsolete English unit for wool, cheese, and salt.

When and where it was developed

Used in medieval and early-modern English trade.

Point (1/100 carat) to Wey 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 points (1/100 carat) and weys:

1 pt = 1.7497e-8 wey
1 wey = 5.715264e+7 pt

To convert points (1/100 carat) to weys, multiply the value in points (1/100 carat) by 1.7497e-8. To reverse, multiply weys by 5.715264e+7.

How to use this converter

Type a value into the calculator. The result in weys updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Wey to Point (1/100 carat) converter for the reverse direction.

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

  1. Write down the value in points (1/100 carat) (pt).
  2. Multiply that value by the factor 1.7497e-8.
  3. The product is the equivalent value in weys (wey).
  4. To reverse, multiply the wey value by 5.715264e+7.

Worked examples

Example 1 — Convert 1 pt to wey:
1 × 1.7497e-8 = 1.7497e-8 wey

Example 2 — Convert 100 pt to wey:
100 × 1.7497e-8 = 1.7497e-6 wey

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 × 1.7497e-8 = 5.249101e-8 wey

Real-world example — Plastic-film thickness alternates

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

150 pt × 1.7497e-8 = 2.624551e-6 wey

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 weys for direct comparison across supplier datasheets.

70 pt × 1.7497e-8 = 1.22479e-6 wey

Point (1/100 carat) to Wey conversion table

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

Point (1/100 carat) [pt]Wey [wey]
0.011.7497e-10
0.11.7497e-9
11.7497e-8
23.499401e-8
35.249101e-8
46.998802e-8
58.748502e-8
101.7497e-7
203.499401e-7
305.249101e-7
406.998802e-7
508.748502e-7
1001.7497e-6
5008.748502e-6
10001.7497e-5

Frequently asked questions

How many weys is 1 point (1/100 carat)?
1 point (1/100 carat) equals 1.7497e-8 wey.
How do I convert points (1/100 carat) to weys?
Multiply the value in points (1/100 carat) by 1.7497e-8 to get weys.
How do I convert weys back to points (1/100 carat)?
Multiply the value in weys by 5.715264e+7, or use the Wey to Point (1/100 carat) converter.
How many weys is 100 points (1/100 carat)?
100 points (1/100 carat) equals 1.7497e-6 weys, because 100 × 1.7497e-8 = 1.7497e-6.

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 = 1.7497e-8 wey) verified against the following authoritative sources:

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