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.
Units explained
Point (1/100 carat)
A point equals one-hundredth of a carat, or 2 milligrams.
A subdivision of the metric carat for very small stones.
The diamond trade, for sub-carat stones.
Adopted alongside the metric carat in the 20th-century gem trade.
Pennyweight
The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).
From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.
Jewelry making and precious-metal scrap valuation in the US.
Derived from the medieval English coinage system.
Point (1/100 carat) to Pennyweight conversion formula
The relationship between points (1/100 carat) and pennyweights:
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
- Write down the value in points (1/100 carat) (pt).
- Multiply that value by the factor 0.0012860299.
- The product is the equivalent value in pennyweights (dwt).
- 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] |
|---|---|
| 0.01 | 1.28603e-5 |
| 0.1 | 0.000128603 |
| 1 | 0.0012860299 |
| 2 | 0.0025720598 |
| 3 | 0.0038580897 |
| 4 | 0.0051441196 |
| 5 | 0.0064301495 |
| 10 | 0.012860299 |
| 20 | 0.0257205979 |
| 30 | 0.0385808969 |
| 40 | 0.0514411958 |
| 50 | 0.0643014948 |
| 100 | 0.1286029896 |
| 500 | 0.6430149479 |
| 1000 | 1.2860298958 |
Frequently asked questions
How many pennyweights is 1 point (1/100 carat)?
How do I convert points (1/100 carat) to pennyweights?
How do I convert pennyweights back to points (1/100 carat)?
How many pennyweights is 100 points (1/100 carat)?
Popular weight unit conversions
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)
Sources & references
Conversion factor (1 pt = 0.0012860299 dwt) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.