Convert Centigram to Nanogram
Convert centigrams to nanograms instantly. 1 centigram = 1e+7 nanogram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Nanogram to Centigram converter for the reverse conversion.
Units explained
Centigram
A centigram (cg) equals 0.00001 kilogram, or 0.01 gram.
From the SI prefix 'centi-' (from Latin 'centum', hundred).
Used in pharmacology and analytical chemistry.
Part of the original metric system of 1795.
Nanogram
A nanogram (ng) equals 10^-12 kilogram.
From the SI prefix 'nano-' (from Greek 'nanos', dwarf).
Molecular biology, forensics, and toxicology.
The nano- prefix entered the SI in 1960.
Centigram to Nanogram conversion formula
The relationship between centigrams and nanograms:
To convert centigrams to nanograms, multiply the value in centigrams by 1e+7. To reverse, multiply nanograms by 1e-7.
How to use this converter
Type a value into the calculator. The result in nanograms updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Nanogram to Centigram converter for the reverse direction.
Step-by-step: convert centigrams to nanograms
- Write down the value in centigrams (cg).
- Multiply that value by the factor 1e+7.
- The product is the equivalent value in nanograms (ng).
- To reverse, multiply the nanogram value by 1e-7.
Worked examples
Example 1 — Convert 1 cg to ng:
1 × 1e+7 = 1e+7 ng
Example 2 — Convert 100 cg to ng:
100 × 1e+7 = 1e+9 ng
Real-world example — Infrared to visible-spectrum mapping
A 10-centigram thermal infrared wavelength corresponds to a much larger number in nanograms, the unit favoured for ultraviolet and visible-light specifications.
10 cg × 1e+7 = 1e+8 ng
Real-world example — Mid-micron to nanometer
3 centigrams equals 3,000 nanograms — useful when relating mid-infrared wavelengths (typically quoted in microns) to nanometer-scale visible-light wavelength tables.
3 cg × 1e+7 = 3e+7 ng
Real-world example — From microns to sub-micron features
One centigram equals one thousand nanograms — the conversion semiconductor designers do constantly when comparing mask feature dimensions to actual transistor gate lengths.
1 cg × 1e+7 = 1e+7 ng
Centigram to Nanogram conversion table
Standard reference values for converting centigrams to nanograms:
| Centigram [cg] | Nanogram [ng] |
|---|---|
| 0.01 | 100000 |
| 0.1 | 1000000.0000000002 |
| 1 | 1e+7 |
| 2 | 2e+7 |
| 3 | 3e+7 |
| 4 | 4e+7 |
| 5 | 5e+7 |
| 10 | 1e+8 |
| 20 | 2e+8 |
| 30 | 3e+8 |
| 40 | 4e+8 |
| 50 | 5e+8 |
| 100 | 1e+9 |
| 500 | 5e+9 |
| 1000 | 1e+10 |
Frequently asked questions
How many nanograms is 1 centigram?
How do I convert centigrams to nanograms?
How do I convert nanograms back to centigrams?
How many nanograms is 100 centigrams?
Popular weight unit conversions
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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)
Sources & references
Conversion factor (1 cg = 1e+7 ng) 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.