18 Foot to Chain
Quick answer
18 Foot (ft) equals
0.272727 ch
To convert 18 feet to Chains, multiply by 0.0151515152. Therefore, 18 Foot (ft) equals 0.272727 Chain (ch).
Formula: ch = ft × 0.0151515152. Calculation: 18 × 0.0151515152 = 0.272727 ch.
Convert Foot (ft) to Chain (ch) online with our free unit converter. In length, 1 ft = 0.015152 ch. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Foot to Chain
- Step 1 — start with the formula. ch = ft × 0.0151515152
- Step 2 — substitute your figure. 18 ft × 0.0151515152
- Step 3 — read the result. 18 ft = 0.272727 ch
- Step 4 — check it in reverse. ft = ch × 66 returns 18 ft, which matches the figure you started with.
Length Converter
31 units available
18 ft = 0.272727 ch
Formula:
ch = ft × 0.0151515152With your value: 18 ft = 0.27272727 ch
How big is that?
Everyday references on a logarithmic scale, all expressed in foot so you can sanity-check the result.
Other Foot to Chain conversions
Foot to Chain Conversion Table
| Foot (ft) | Chain (ch) |
|---|---|
| 0.5 | 0.007576 |
| 1 | 0.015152 |
| 2 | 0.030303 |
| 5 | 0.075758 |
| 10 | 0.151515 |
| 15 | 0.227273 |
| 20 | 0.30303 |
| 25 | 0.378788 |
| 50 | 0.757576 |
| 100 | 1.515152 |
| 250 | 3.787879 |
| 500 | 7.575758 |
| 1000 | 15.151515 |
Chain to Foot Conversion Table
| Chain (ch) | Foot (ft) |
|---|---|
| 0.5 | 33 |
| 1 | 66 |
| 2 | 132 |
| 5 | 330 |
| 10 | 660 |
| 15 | 990 |
| 20 | 1,320 |
| 25 | 1,650 |
| 50 | 3,300 |
| 100 | 6,600 |
| 250 | 16,500 |
| 500 | 33,000 |
| 1000 | 66,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Foot (ft)
Length
1 foot = 0.3048 m exactly (international foot, 1959).
The US survey foot (1200/3937 m) was deprecated for new work on 31 December 2022 and differs by about 2 ppm.
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01
Chain (ch)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Foot to Chain
To convert from Foot (ft) to Chain (ch), multiply the value by 0.0151515152.
Formula: ch = ft × 0.0151515152
Reverse: ft = ch × 66
Step-by-Step Example
- Start with your value in Foot. For example: 5 ft
- Multiply by the conversion factor: 5 x 0.0151515152
- The result is: 0.075758 ch
Foot and Chain Relationship
This calculation facilitates standardized conversion between recognized units of length. Since 1 Foot represents a fraction of a Chain (1 Chain ≈ 66 feet), the Chain is the larger measurement interval. Understanding the relationship between Foot and Chain is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Foot
The foot is an imperial unit equal to 12 inches or 0.3048 meters. It remains widely used in the US, UK, and Canada for everyday measurements.
Fun Fact: The foot was originally based on the length of a human foot, which varied from region to region.
Common uses of Foot: height measurement, real estate, construction.
About Chain
Gunter's chain equals 66 feet (20.1168 m) and underpins the US Public Land Survey System: 10 square chains make one acre.
Common uses of Chain: land surveying, cadastral records, cricket pitch length.
Frequently Asked Questions
- What is 18 Foot in Chain?
- 18 Foot equals 0.272727 Chain.
- How many Chains are in 1 Foot?
- There are exactly 0.0151515152 Chains in 1 Foot. This means the conversion factor from Foot to Chain is 0.0151515152.
- What is the formula to convert Foot to Chain?
- The formula to convert Foot to Chain is: ch = ft × 0.0151515152. For example, to convert 10 feet to Chains, you would multiply 10 by 0.0151515152.
- What is a Foot?
- The foot is an imperial unit equal to 12 inches or 0.3048 meters. It remains widely used in the US, UK, and Canada for everyday measurements.
- What is a Chain?
- Gunter's chain equals 66 feet (20.1168 m) and underpins the US Public Land Survey System: 10 square chains make one acre.
- What are the common uses of Foot?
- The Foot is commonly used in height measurement, real estate, construction.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). 18 Foot to Chain. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/18-foot-to-chain