Troy Ounce to Nanogram Converter

Mass Converter

26 units available

Decimals:

From

To

31,103,476,800

1 oz t = 31,103,476,800 ng

Formula:

ng = oz t × 3.110348e+10

With your value: 1 oz t = 31,103,476,800 ng

How big is that?

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

Paperclip (1/31 your value)0.0322 oz t

AA battery (1/1.3 your value)0.772 oz t

Your value1.00 oz t

Can of soda (13× your value)12.5 oz t

Bag of sugar (32× your value)32.2 oz t

House cat (1.4e+2× your value)145 oz t

Other Troy Ounce to Nanogram conversions

2 oz t to ng 3 oz t to ng 4 oz t to ng 5 oz t to ng 6 oz t to ng 7 oz t to ng 8 oz t to ng

Troy Ounce to Nanogram Conversion Table

Troy Ounce (oz t)	Nanogram (ng)
0.5	15,551,738,400
1	31,103,476,800
2	62,206,953,600
5	155,517,384,000
10	311,034,768,000
15	466,552,152,000
20	622,069,536,000
25	777,586,920,000.0001
50	1.555174e+12
100	3.110348e+12
250	7.775869e+12
500	1.555174e+13
1000	3.110348e+13

Nanogram to Troy Ounce Conversion Table

Nanogram (ng)	Troy Ounce (oz t)
0.5	1.607537e-11
1	3.215075e-11
2	6.430149e-11
5	1.607537e-10
10	3.215075e-10
15	4.822612e-10
20	6.430149e-10
25	8.037687e-10
50	1.607537e-9
100	3.215075e-9
250	8.037687e-9
500	1.607537e-8
1000	3.215075e-8

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.

Troy Ounce (oz t)

Mass

Exact conversion

1 troy ounce = 480 grains = 0.031 103 476 8 kg exactly. Used for precious metals only.

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

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

How to Convert Troy Ounce to Nanogram

To convert from Troy Ounce (oz t) to Nanogram (ng), multiply the value by 31,103,476,800.

Formula: ng = oz t × 3.110348e+10

Reverse: oz t = ng × 3.215075e-11

Step-by-Step Example

Start with your value in Troy Ounce. For example: 5 oz t
Multiply by the conversion factor: 5 x 31,103,476,800
The result is: 155,517,384,000 ng

About Troy Ounce

The troy ounce equals approximately 31.1 grams and is used for weighing precious metals like gold, silver, and platinum.

Common uses: gold trading, silver markets, precious metals.

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.

Frequently Asked Questions

How many Nanogram are in 1 Troy Ounce?

There are exactly 31,103,476,800 Nanogram in 1 Troy Ounce. This means the conversion factor from Troy Ounce to Nanogram is 31,103,476,800.

What is the formula to convert Troy Ounce to Nanogram?

The formula to convert Troy Ounce to Nanogram is: ng = oz t × 3.110348e+10. For example, to convert 10 Troy Ounce to Nanogram, you would multiply 10 by 31,103,476,800.

What is a Troy Ounce?