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Troy Ounces to Nanograms Converter

Enter the weight in troy ounces below to convert it to nanograms.

Convert Troy Ounces to Nanograms

Enter a value in troy ounces (oz t) to convert to nanograms (ng).

Result
•
1.555174e+11nanograms
5 oz t = 1.555174e+11 ng
Result updates automatically
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Equivalent Measurements Across UnitsFor 5 oz t
Milligrams155,517.384 mg
Grams155.51738 g
Kilograms0.15552 kg
Ounces5.48571 oz
Pounds0.34286 lb
Stones0.02449 st
Suggested Conversions
Reference:NIST OWM (SI Units — Mass)
[1–3] ↓

Troy Ounce to Nanogram Conversion Table

Table showing various troy ounce measurements converted to nanograms. Click any preset value or arrow to load it into the converter.

Troy Ounces (oz t)Nanograms (ng)
0.0000001 oz t3,110.34768 ng
0.0000002 oz t6,220.69536 ng
0.0000003 oz t9,331.04304 ng
0.0000004 oz t12,441.39072 ng
0.0000005 oz t15,551.7384 ng
0.0000006 oz t18,662.08608 ng
0.0000007 oz t21,772.43376 ng
0.0000008 oz t24,882.78144 ng
0.0000009 oz t27,993.12912 ng
0.00000001 oz t311.034768 ng

How to Convert Troy Ounces to Nanograms

To convert troy ounces to nanograms, multiply the weight by the following conversion ratio: 31,103,476,800.000004 nanograms/troy ounce.

Since one troy ounce is equal to 31,103,476,800.000004 nanograms, you can use this simple formula to convert:

nanograms = troy ounces × 31,103,476,800.000004

The weight in nanograms is equal to the weight in troy ounces multiplied by 31,103,476,800.000004.

For example, here's how to convert 5 troy ounces to nanograms using the formula above.

nanograms = (5 oz t × 31,103,476,800.000004) = 155,517,384,000.00003 ng

How Many Nanograms Are in a Troy Ounce?

There are 31,103,476,800.000004 nanograms in a troy ounce, which is why we use this value in the formula above.

1 oz t = 31,103,476,800.000004 ng|1 ng = 3.215075e-11 oz t

Our troy ounce to nanogram calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Troy Ounces and nanograms are both units used to measure weight. Keep reading to learn more about each unit.

What Is a Troy Ounce?

A troy ounce is a unit of weight equal to 0.0311035 kilograms (kg), the base unit for weight. Precious metal (gold, silver, platinum) mass standard equal to 480 grains or exactly 31.1034768 grams. [1]

The troy ounce is classified as a standard unit of weight. Troy Ounces can be abbreviated as oz t; for example, 1 troy ounce can be written as 1 oz t.

When working with troy ounces (oz t) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, troy ounces (oz t) are widely used across standard weight applications within international standard workflows, engineering documentation, and technical data sheets.

What Is a Nanogram?

A nanogram is a unit of weight equal to 1/1,000,000,000,000 of a kilogram (1e-12 kg). One-billionth of a gram (10⁻¹² kg). [2]

The nanogram is classified as a metric and SI-compatible unit of weight. Nanograms can be abbreviated as ng; for example, 1 nanogram can be written as 1 ng.

In the metric system, "nano" is the standard SI prefix for billionths, or 10⁻⁹. This makes the nanogram (ng) a convenient decimal multiple of the gram (g).

In practice, nanograms (ng) are widely used across fine-tolerance laboratory, analytical, and micro-scale weight measurements within SI metric workflows, engineering documentation, and technical data sheets.

When converting weight between troy ounces (oz t) and nanograms (ng), keep full floating-point precision (1 oz t = 31,103,476,800.000004 ng; 1 ng = 3.215075e-11 oz t) during intermediate calculations and round only the final nanogram figure to match your instrument tolerance.

More Troy Ounce & Nanogram Conversions

Need to calculate in the opposite direction? Use our nanograms to troy ounces calculator to switch your starting unit immediately. You can also explore related tools such as converting nanograms to troy ounces, converting troy ounces to grams, or converting kilograms to pounds.

Frequently Asked Questions

There are 3.110348e+10 nanograms (ng) in 1 troy ounce (oz t). Conversely, 1 nanogram (ng) is equal to 3.215075e-11 troy ounces (oz t).

References

NIST · BIPM · ISO
  1. [1]
    NIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Troy Ounces (oz t) to Nanograms (ng)
    NIST OWM Standard
  2. [2]
    NIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Troy Ounce (oz t) & Nanogram (ng)
    NIST HB 44 Specification
  3. [3]
    BIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (oz t to ng)
    BIPM Reference
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