Convert Meter to Chain
Convert meters to chains instantly. 1 meter = 0.0497096954 chain — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Chain to Meter converter for the reverse conversion.
Units explained
Meter
The meter is the SI base unit of length. Since 2019, the meter has been defined by fixing the numerical value of the speed of light in vacuum to exactly 299,792,458 meters per second. Every other SI length unit derives from the meter.
The meter was originally defined in 1793 by the French Academy of Sciences as one ten-millionth of the distance from the equator to the North Pole along a meridian through Paris. It has been redefined multiple times — by physical prototype, then by atomic transitions, and finally in 2019 by fundamental physical constants.
The meter is the international standard for length in science, engineering, construction, athletics, and everyday measurement in metric countries. It underpins definitions of area (m²), volume (m³), and most derived SI units.
Established 1793 in France; ratified internationally via the Metre Convention 1875; redefined in 1960, 1983, and most recently 2019 when the SI redefinition fixed it to the speed of light.
Chain
A chain is an Imperial unit of length equal to 66 feet (20.1168 m), or exactly 4 rods or 100 links. It is the central unit in the Gunter chain-based land-survey system.
Defined by Edmund Gunter in 1620 specifically to make land-area arithmetic easy: 10 square chains = 1 acre exactly. The 66-foot length and 100-link subdivision were chosen so chain measurements could be added decimally.
Chains are the fundamental unit of legacy US public land surveys (the entire US township-and-range system uses chains). Modern survey work generally uses meters or feet, but legacy deeds remain in chains.
Invented by Edmund Gunter in 1620; standardised throughout English and American land survey; became exact via the 1959 International Yard and Pound Agreement.
Meter to Chain conversion formula
The relationship between meters and chains:
To convert meters to chains, multiply the value in meters by 0.0497096954. To reverse, multiply chains by 20.1168.
How to use this converter
Type a value into the calculator. The result in chains updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Chain to Meter converter for the reverse direction.
Step-by-step: convert meters to chains
- Write down the value in meters (m).
- Multiply that value by the factor 0.0497096954.
- The product is the equivalent value in chains (ch).
- To reverse, multiply the chain value by 20.1168.
Worked examples
Example 1 — Convert 1 m to ch:
1 × 0.0497096954 = 0.0497096954 ch
Example 2 — Convert 100 m to ch:
100 × 0.0497096954 = 4.9709695379 ch
Real-world example — Reference scenario in case of fallback
Conversion between human-scale length units is the everyday workflow of architecture, athletics, and apparel design — three of the most common contexts that span metric and imperial systems.
1 m × 0.0497096954 = 0.0497096954 ch
Real-world example — Adult height conversion
A 1.8-meter-tall person measures a value in chains that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.
1.8 m × 0.0497096954 = 0.0894774517 ch
Real-world example — Fabric purchase length
Two meters of fabric equals a value in chains essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.
2 m × 0.0497096954 = 0.0994193908 ch
Meter to Chain conversion table
Standard reference values for converting meters to chains:
| Meter [m] | Chain [ch] |
|---|---|
| 0.01 | 0.000497097 |
| 0.1 | 0.0049709695 |
| 1 | 0.0497096954 |
| 2 | 0.0994193908 |
| 3 | 0.1491290861 |
| 4 | 0.1988387815 |
| 5 | 0.2485484769 |
| 10 | 0.4970969538 |
| 20 | 0.9941939076 |
| 30 | 1.4912908614 |
| 40 | 1.9883878152 |
| 50 | 2.4854847689 |
| 100 | 4.9709695379 |
| 500 | 24.8548476895 |
| 1000 | 49.709695379 |
Frequently asked questions
How many chains is 1 meter?
How do I convert meters to chains?
How do I convert chains back to meters?
How many chains is 100 meters?
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Metric / SI (17 units)
Imperial / US Customary (27 units)
Nautical (1 units)
Astronomical (9 units)
Atomic / Physics (6 units)
Typographic (3 units)
Sources & references
Conversion factor (1 m = 0.0497096954 ch) 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.