Nanogram to Pennyweight Converter

Mass Converter

26 units available

Decimals:

From

To

6.430149e-10

1 ng = 6.430149e-10 dwt

Formula:

dwt = ng × 6.430149e-10

With your value: 1 ng = 6.430149e-10 dwt

How big is that?

Everyday references on a logarithmic scale, all expressed in nanogram so you can sanity-check the result.

Your value1.00 ng

Paperclip (1.0e+9× your value)1.00e+9 ng

AA battery (2.4e+10× your value)2.40e+10 ng

Can of soda (3.9e+11× your value)3.90e+11 ng

Bag of sugar (1.0e+12× your value)1.00e+12 ng

House cat (4.5e+12× your value)4.50e+12 ng

Other Nanogram to Pennyweight conversions

2 ng to dwt 3 ng to dwt 4 ng to dwt 5 ng to dwt 6 ng to dwt 7 ng to dwt 8 ng to dwt

Nanogram to Pennyweight Conversion Table

Nanogram (ng)	Pennyweight (dwt)
0.5	3.215075e-10
1	6.430149e-10
2	1.286030e-9
5	3.215075e-9
10	6.430149e-9
15	9.645224e-9
20	1.286030e-8
25	1.607537e-8
50	3.215075e-8
100	6.430149e-8
250	1.607537e-7
500	3.215075e-7
1000	6.430149e-7

Pennyweight to Nanogram Conversion Table

Pennyweight (dwt)	Nanogram (ng)
0.5	777,586,920
1	1,555,173,840
2	3,110,347,680
5	7,775,869,200
10	15,551,738,400
15	23,327,607,600
20	31,103,476,800
25	38,879,346,000
50	77,758,692,000
100	155,517,384,000
250	388,793,460,000.00006
500	777,586,920,000.0001
1000	1.555174e+12

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Nanogram (ng)

Mass

Exact conversion

Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Pennyweight (dwt)

Mass

Exact conversion

Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Nanogram to Pennyweight

To convert from Nanogram (ng) to Pennyweight (dwt), multiply the value by 6.430149e-10.

Formula: dwt = ng × 6.430149e-10

Reverse: ng = dwt × 1.555174e+9

Step-by-Step Example

Start with your value in Nanogram. For example: 5 ng
Multiply by the conversion factor: 5 x 6.430149e-10
The result is: 3.215075e-9 dwt

About Nanogram

The nanogram (ng) is a unit of mass and weight. One nanogram equals 1.000000 × 10^-12 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: mass calculations, engineering and science, education.

About Pennyweight

The pennyweight (dwt) equals 1/20 of a troy ounce, about 1.555 grams. Jewellers still price scrap gold by the pennyweight.

Common uses: jewellery trade, gold scrap, assaying.

Frequently Asked Questions

How many Pennyweight are in 1 Nanogram?

There are exactly 6.430149e-10 Pennyweight in 1 Nanogram. This means the conversion factor from Nanogram to Pennyweight is 6.430149e-10.

What is the formula to convert Nanogram to Pennyweight?

The formula to convert Nanogram to Pennyweight is: dwt = ng × 6.430149e-10. For example, to convert 10 Nanogram to Pennyweight, you would multiply 10 by 6.430149e-10.

What is a Nanogram?