All things · Atoms & Molecules
Gold atom: how big is it?
Gold atom is about 288 pm. In everyday terms, that is ≈ 2.7 hydrogen atoms.
- Size
- 288 pm
- In metres
- 2.88 × 10⁻¹⁰ m
- Everyday comparison
- ≈ 2.7 hydrogen atoms
- Chapter
- Atoms & Molecules
Did you know?
Gold is so soft that a single gram can be hammered into a sheet about one square metre in size.
How it compares
- Roughly the same size as Water molecule (275 pm).
- About 3.1× smaller than Glucose molecule (900 pm).
Other things of a similar size
- Hydrogen atom 106 pm
- Water molecule 275 pm
- Glucose molecule 900 pm
- DNA (width) 2 nm
- Haemoglobin 5.5 nm
- Antibody 12 nm
Sizes are rounded, typical values drawn from standard reference sources, including NIST/CODATA physical constants and NASA's planetary fact sheets. Real objects vary; see About for how sizes are chosen.