Mass and Weight · Unit Converter

Convert Pennyweight to Point (1/100 carat)

Convert pennyweights to points (1/100 carat) instantly. 1 pennyweight = 777.5869 point (1/100 carat) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Point (1/100 carat) to Pennyweight 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

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.

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.

Pennyweight to Point (1/100 carat) conversion formula

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

1 dwt = 777.5869 pt
1 pt = 0.0012860299 dwt

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

How to use this converter

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

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

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

Worked examples

Example 1 — Convert 1 dwt to pt:
1 × 777.5869 = 777.5869 pt

Example 2 — Convert 100 dwt to pt:
100 × 777.5869 = 77758.69 pt

Real-world example — Adjacent metric sub-units

One pennyweight equals 1,000 points (1/100 carat). Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.

1 dwt × 777.5869 = 777.5869 pt

Real-world example — Adjacent small-scale precision

One pennyweight equals 1,000 points (1/100 carat) — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).

1 dwt × 777.5869 = 777.5869 pt

Pennyweight to Point (1/100 carat) conversion table

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

Pennyweight [dwt]Point (1/100 carat) [pt]
0.017.775869
0.177.75869
1777.5869
21555.1738
32332.7607
43110.3476
53887.9345
107775.869
2015551.738
3023327.607
4031103.476
5038879.345
10077758.69
500388793.45
1000777586.9

Frequently asked questions

How many points (1/100 carat) is 1 pennyweight?
1 pennyweight equals 777.5869 point (1/100 carat).
How do I convert pennyweights to points (1/100 carat)?
Multiply the value in pennyweights by 777.5869 to get points (1/100 carat).
How do I convert points (1/100 carat) back to pennyweights?
Multiply the value in points (1/100 carat) by 0.0012860299, or use the Point (1/100 carat) to Pennyweight converter.
How many points (1/100 carat) is 100 pennyweights?
100 pennyweights equals 77758.69 points (1/100 carat), because 100 × 777.5869 = 77758.69.

Convert Pennyweight to other weight units

Show all Pennyweight 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 dwt = 777.5869 pt) verified against the following authoritative sources:

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