Mass and Weight · Unit Converter

Convert Point (1/100 carat) to Pennyweight

Convert points (1/100 carat) to pennyweights instantly. 1 point (1/100 carat) = 0.0012860299 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight 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.

Troy & Apothecary

Pennyweight

What is a pennyweight?

The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).

Origin of the pennyweight

From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.

Where it is used

Jewelry making and precious-metal scrap valuation in the US.

When and where it was developed

Derived from the medieval English coinage system.

Point (1/100 carat) to Pennyweight conversion formula

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

1 pt = 0.0012860299 dwt
1 dwt = 777.5869 pt

To convert points (1/100 carat) to pennyweights, multiply the value in points (1/100 carat) by 0.0012860299. To reverse, multiply pennyweights by 777.5869.

How to use this converter

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

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

  1. Write down the value in points (1/100 carat) (pt).
  2. Multiply that value by the factor 0.0012860299.
  3. The product is the equivalent value in pennyweights (dwt).
  4. To reverse, multiply the pennyweight value by 777.5869.

Worked examples

Example 1 — Convert 1 pt to dwt:
1 × 0.0012860299 = 0.0012860299 dwt

Example 2 — Convert 100 pt to dwt:
100 × 0.0012860299 = 0.1286029896 dwt

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 pennyweights aligns the value with the unit most CAD systems and material datasheets prefer.

500 pt × 0.0012860299 = 0.6430149479 dwt

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 pennyweights is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 pt × 0.0012860299 = 0.0051441196 dwt

Point (1/100 carat) to Pennyweight conversion table

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

Point (1/100 carat) [pt]Pennyweight [dwt]
0.011.28603e-5
0.10.000128603
10.0012860299
20.0025720598
30.0038580897
40.0051441196
50.0064301495
100.012860299
200.0257205979
300.0385808969
400.0514411958
500.0643014948
1000.1286029896
5000.6430149479
10001.2860298958

Frequently asked questions

How many pennyweights is 1 point (1/100 carat)?
1 point (1/100 carat) equals 0.0012860299 pennyweight.
How do I convert points (1/100 carat) to pennyweights?
Multiply the value in points (1/100 carat) by 0.0012860299 to get pennyweights.
How do I convert pennyweights back to points (1/100 carat)?
Multiply the value in pennyweights by 777.5869, or use the Pennyweight to Point (1/100 carat) converter.
How many pennyweights is 100 points (1/100 carat)?
100 points (1/100 carat) equals 0.1286029896 pennyweights, because 100 × 0.0012860299 = 0.1286029896.

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 = 0.0012860299 dwt) verified against the following authoritative sources:

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