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.
Units explained
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)
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 to Point (1/100 carat) conversion formula
The relationship between pennyweights and points (1/100 carat):
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)
- Write down the value in pennyweights (dwt).
- Multiply that value by the factor 777.5869.
- The product is the equivalent value in points (1/100 carat) (pt).
- 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] |
|---|---|
| 0.01 | 7.775869 |
| 0.1 | 77.75869 |
| 1 | 777.5869 |
| 2 | 1555.1738 |
| 3 | 2332.7607 |
| 4 | 3110.3476 |
| 5 | 3887.9345 |
| 10 | 7775.869 |
| 20 | 15551.738 |
| 30 | 23327.607 |
| 40 | 31103.476 |
| 50 | 38879.345 |
| 100 | 77758.69 |
| 500 | 388793.45 |
| 1000 | 777586.9 |
Frequently asked questions
How many points (1/100 carat) is 1 pennyweight?
How do I convert pennyweights to points (1/100 carat)?
How do I convert points (1/100 carat) back to pennyweights?
How many points (1/100 carat) is 100 pennyweights?
Popular weight unit conversions
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)
Sources & references
Conversion factor (1 dwt = 777.5869 pt) 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.