Mass and Weight · Unit Converter

Convert Picogram to Pennyweight

Convert picograms to pennyweights instantly. 1 picogram = 6.430149e-13 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight to Picogram 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

Metric / SI

Picogram

What is a picogram?

A picogram (pg) equals 10^-15 kilogram.

Origin of the picogram

From the SI prefix 'pico-' (from Spanish 'pico', a small quantity).

Where it is used

Single-cell biology and ultratrace chemical analysis.

When and where it was developed

The pico- prefix entered the SI in 1960.

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.

Picogram to Pennyweight conversion formula

The relationship between picograms and pennyweights:

1 pg = 6.430149e-13 dwt
1 dwt = 1.555174e+12 pg

To convert picograms to pennyweights, multiply the value in picograms by 6.430149e-13. To reverse, multiply pennyweights by 1.555174e+12.

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 Picogram converter for the reverse direction.

Step-by-step: convert picograms to pennyweights

  1. Write down the value in picograms (pg).
  2. Multiply that value by the factor 6.430149e-13.
  3. The product is the equivalent value in pennyweights (dwt).
  4. To reverse, multiply the pennyweight value by 1.555174e+12.

Worked examples

Example 1 — Convert 1 pg to dwt:
1 × 6.430149e-13 = 6.430149e-13 dwt

Example 2 — Convert 100 pg to dwt:
100 × 6.430149e-13 = 6.430149e-11 dwt

Real-world example — Sub-micron to millimeter

500,000 picograms converts to a small everyday quantity in pennyweights — useful when relating optical-wavelength specifications to physical mounting hardware.

500000 pg × 6.430149e-13 = 3.215075e-7 dwt

Real-world example — From wavelengths to millimeter-scale objects

A value of one million picograms sounds vast at the atomic scale but converts to a small everyday quantity in pennyweights — useful when relating optical-wavelength specifications to physical mounting hardware.

1000000 pg × 6.430149e-13 = 6.430149e-7 dwt

Picogram to Pennyweight conversion table

Standard reference values for converting picograms to pennyweights:

Picogram [pg]Pennyweight [dwt]
0.016.430149e-15
0.16.430149e-14
16.430149e-13
21.28603e-12
31.929045e-12
42.57206e-12
53.215075e-12
106.430149e-12
201.28603e-11
301.929045e-11
402.57206e-11
503.215075e-11
1006.430149e-11
5003.215075e-10
10006.430149e-10

Frequently asked questions

How many pennyweights is 1 picogram?
1 picogram equals 6.430149e-13 pennyweight.
How do I convert picograms to pennyweights?
Multiply the value in picograms by 6.430149e-13 to get pennyweights.
How do I convert pennyweights back to picograms?
Multiply the value in pennyweights by 1.555174e+12, or use the Pennyweight to Picogram converter.
How many pennyweights is 100 picograms?
100 picograms equals 6.430149e-11 pennyweights, because 100 × 6.430149e-13 = 6.430149e-11.

Convert Picogram to other weight units

Show all Picogram conversions
Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 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 pg = 6.430149e-13 dwt) verified against the following authoritative sources:

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