Chain to League Converter

Length Converter

31 units available

Decimals:

From

To

0.004167

1 ch = 0.004167 lea

Formula:

lea = ch × 0.0041666667

With your value: 1 ch = 0.00416667 lea

How big is that?

Everyday references on a logarithmic scale, all expressed in chain so you can sanity-check the result.

Standard door height (1/10 your value)0.0994 ch

London double-decker bus (1/1.8 your value)0.547 ch

Your value1.00 ch

Olympic pool (2.5× your value)2.49 ch

Football pitch (length) (5.2× your value)5.22 ch

Eiffel Tower (16× your value)16.4 ch

Other Chain to League conversions

2 ch to lea 3 ch to lea 4 ch to lea 5 ch to lea 6 ch to lea 7 ch to lea 8 ch to lea

Chain to League Conversion Table

Chain (ch)	League (lea)
0.5	0.002083
1	0.004167
2	0.008333
5	0.020833
10	0.041667
15	0.0625
20	0.083333
25	0.104167
50	0.208333
100	0.416667
250	1.041667
500	2.083333
1000	4.166667

League to Chain Conversion Table

League (lea)	Chain (ch)
0.5	120
1	240
2	480
5	1,200
10	2,400
15	3,600
20	4,800
25	6,000
50	12,000
100	24,000
250	60,000
500	120,000
1000	240,000

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.

Chain (ch)

Length

Exact conversion

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

League (lea)

Length

Exact conversion

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 Chain to League

To convert from Chain (ch) to League (lea), multiply the value by 0.0041666667.

Formula: lea = ch × 0.0041666667

Reverse: ch = lea × 240

Step-by-Step Example

Start with your value in Chain. For example: 5 ch
Multiply by the conversion factor: 5 x 0.0041666667
The result is: 0.020833 lea

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: land surveying, cadastral records, cricket pitch length.

About League

The league (lea) is a unit of distance and length. One league equals 4828.032 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: length calculations, engineering and science, education.

Frequently Asked Questions

How many League are in 1 Chain?

There are exactly 0.0041666667 League in 1 Chain. This means the conversion factor from Chain to League is 0.0041666667.

What is the formula to convert Chain to League?

The formula to convert Chain to League is: lea = ch × 0.0041666667. For example, to convert 10 Chain to League, you would multiply 10 by 0.0041666667.

What is a Chain?