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feet to chains | Show as Feet and Inches Too

1 Foot = 0.015152 Chain

One chain equals exactly 66 feet — a fixed ratio you can memorize. Real-world use: human height, aviation altitudes, room dimensions, and construction lumber in the US and UK. This page expresses those values in chains, which is used for surveying; cricket pitch length is one chain (22 yards). Use the calculator above, then check the reference table for common values from 0.001 to 1000.

About Foot and Chain

Foot (ft)

A foot is 12 inches or exactly 0.3048 meters.

Where it's used: Human height, aviation altitudes, room dimensions, and construction lumber in the US and UK.

Chain (ch)

A chain is 66 feet or exactly 20.1168 meters, made of 100 links.

Where it's used: Surveying; cricket pitch length is one chain (22 yards).

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Length Converter

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Formula

ch = ft × 0.015151515

To convert Foot to Chain, use the formula displayed above.

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Foot to Chain: Quick Reference Table

Foot Chain (Decimal) Fraction
0.001 ft 0.000015 ch -
0.01 ft 0.000152 ch -
0.1 ft 0.001515 ch -
0.5 ft 0.007576 ch -
1 ft 0.015152 ch 1/64 ch
2 ft 0.030303 ch 1/32 ch
5 ft 0.075758 ch 5/64 ch
10 ft 0.151515 ch 5/32 ch
25 ft 0.378788 ch 3/8 ch
50 ft 0.757576 ch 3/4 ch
100 ft 1.515152 ch 1 33/64 ch
250 ft 3.787879 ch 3 25/32 ch
500 ft 7.575758 ch 7 37/64 ch
1000 ft 15.151515 ch 15 5/32 ch

ft to ch Formula and Examples

Direct Formula ch = ft × 0.015151515
Inverse Formula ft = ch × 66
Mental Math Shortcut

Divide the value by roughly 66 to quickly estimate the converted result.

Common Foot to Chain Calculations

  • 5 ft = 0.075758 ch
  • 10 ft = 0.151515 ch
  • 50 ft = 0.757576 ch
  • 100 ft = 1.515152 ch
  • 500 ft = 7.575758 ch

Precision & Practical Use

For example, 10 ft = 0.151515 ch — roughly fractional unit measurement.

Our results show up to 9 decimal places, but real measuring tools don't. For engineering and machining, work to the millimeter (0.001 m) or 1/64 inch; for construction and DIY, an eighth of an inch (0.125 in) is usually precise enough.

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Related Specialist Length Calculators & Niche Tools

While basic length conversions between meters, centimeters, inches, and feet are useful for everyday measurements, specialized engineering, construction, and sizing applications require advanced, unit-specific calculations. Converting physical dimensions is crucial in professional fields to determine mechanical fits, electrical capacities, and material requirements.

For instance, electrical engineers use AWG (American Wire Gauge) measurements to calculate cross-sectional wire area in metric square millimeters (mm²), which dictates safe current capacity. Woodworkers and lumber yards use the board feet formula to calculate volume rather than simple linear length. Home builders rely on square footage calculators to figure out spatial areas for drywall and flooring, while mechanics use nominal to actual pipe size charts to verify fittings. Additionally, automotive speedometer calibrations require custom tire diameter ratio checks. Using our niche length and sizing tools ensures your measurements convert cleanly to practical real-world targets.

How to Convert Foot to Chain

How many chains are in one foot?
One Foot (ft) equals 0.015152 Chain (ch). To convert feet to chains, multiply the foot value by 0.015152.
How do I convert Foot to Chain?
Multiply your foot value by 0.015152 to get the result in Chain: ch = ft × 0.015152. For example, 5 ft = 0.075758 ch.
What is the formula for converting ft to ch?
The conversion formula is ch = ft × 0.015152. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.
Is there a quick mental estimate for ft to ch?
Divide the value by roughly 66 to quickly estimate the converted result.
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