Convert length and distance units — meters, feet, inches, kilometers, miles, light years and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 Å | 4.971e-15 chain | |
| 0.01 Å | 4.971e-14 chain | |
| 0.1 Å | 4.971e-13 chain | |
| 1 Å | 4.971e-12 chain | |
| 5 Å | 2.485e-11 chain | |
| 10 Å | 4.971e-11 chain | |
| 50 Å | 2.485e-10 chain | |
| 100 Å | 4.971e-10 chain | |
| 1000 Å | 4.97097e-09 chain |
Multiply the number of angstroms by 4.97097×10⁻¹² to get chains. Formula: chain = Å × 4.97097×10⁻¹². For example, 1,000,000 Å × 4.97097×10⁻¹² = 4.971×10⁻⁶ chain. To reverse, divide chains by 4.97097×10⁻¹² (or multiply by 2.01168×10¹¹).
| Angstroms (Å) | Chains | Context |
|---|---|---|
| 1 Å | 4.971×10⁻¹² chain | Atomic baseline |
| 1.54 Å | 7.655×10⁻¹² chain | C–C bond length |
| 10 Å | 4.971×10⁻¹¹ chain | 1 nanometer = 10 Å |
| 100 Å | 4.971×10⁻¹⁰ chain | Small protein diameter |
| 1,000 Å | 4.971×10⁻⁹ chain | 0.1 micron |
| 10,000 Å | 4.971×10⁻⁸ chain | 1 micron (μm) |
| 100,000 Å | 4.971×10⁻⁷ chain | 10 microns |
| 1,000,000 Å | 4.971×10⁻⁶ chain | 0.1 mm |
| 10,000,000 Å | 4.971×10⁻⁵ chain | 1 mm |
| 100,000,000 Å | 4.971×10⁻⁴ chain | 1 cm |
| 1,000,000,000 Å | 4.971×10⁻³ chain | 10 cm |
| 2.01168×10¹¹ Å | 1 chain | 1 surveyor's chain = 20.1168 m |
A surveyor's chain is 66 feet or 100 links. It was the standard land measurement unit in the British Empire. Converting to angstroms: 1 chain = 2.01168×10¹¹ Å.
The simplest angstrom conversion to remember. Since modern science uses nanometers more than angstroms, multiply Å by 0.1 to get nm. Then convert nm to chains if needed.
A useful chain anchor for land measurements. 1 mile = 80 chains = 1,609.344 meters. In angstroms: 1 mile ≈ 1.609×10¹³ Å. This chain–mile relationship is still used in land registry records.
1 Å → ×10 → 1 nm → ×10⁷ → 1 mm → ×1000 → 1 m → ×20.1 → 1 chain. The chain sits 10²¹ angstroms above the atomic scale — a span of 21 orders of magnitude.
Researchers converting between atomic-scale measurements and macro-scale survey units when integrating physics data with geographic or land-related datasets.
Students learning about orders of magnitude and the extreme range of length scales use conversions like Å to chain to illustrate how physics spans from atomic to human scales.
Chains are still found in old land surveys and property deeds in the UK, USA, and Commonwealth countries. Converting to metric or atomic units for modern scientific applications.
When comparing nano-material dimensions (measured in Å) with macro-scale structures in construction or engineering contexts that use traditional measurement systems.
Simulations that span multiple length scales may require consistent unit conversions between atomic distances (Å) and bulk material dimensions expressed in older units like chains.
Comprehensive converters include all standardised length units — from atomic scale (angstrom) to land survey scale (chain) — for completeness and scientific accuracy.
The angstrom equals 10⁻¹⁰ meters (0.1 nm). Named after Swedish physicist Anders Jonas Ångström (1814–1874), pioneer of spectroscopy. Not an SI unit, but standard in crystallography, atomic physics, and optical spectroscopy. Atomic bond lengths and light wavelengths fall naturally in the 1–10 Å range.
The surveyor's chain equals exactly 20.1168 meters (66 feet or 100 links). Invented by English mathematician Edmund Gunter in 1620. Became the standard land measurement unit across the British Empire. Its relationship to acres (10 chains × 10 chains = 1 acre) made field measurement practical before modern instruments.
Anders Ångström mapped the solar spectrum in 1868 using a unit of 10⁻¹⁰ meters, which became known as the angstrom in his honor. The chain predates it by over 250 years — Edmund Gunter designed it in 1620 specifically for land surveying, with 80 chains equalling exactly 1 mile and 10×10 chains equalling 1 acre. These two units represent opposite ends of human measurement history: one born from atomic physics, one from practical land administration.
Common use: Angstroms are used in atomic physics, crystallography, and spectroscopy. Chains appear in historical land surveys, property deeds, and some rural measurement contexts. Converting between them is primarily a scientific or academic exercise illustrating extreme length scales.