Convert Chain (US Survey) (ch (US)) to League (Statute) (st.league) instantly.
About these units
Chain (US Survey) (ch (US))
The US Survey Chain is defined as 66 US Survey Feet (~20.1168 meters), aligning with the historic Gunter's chain but adapted to the US survey foot. It is used primarily in cadastral surveys, property delineation, and historical land records. Surveyors employ the chain for practical measurements of fields, lots, and infrastructure layouts. The unit's subdivision into 100 links simplifies area calculation, as 10 square chains equal one acre, maintaining continuity with older surveying systems. Even today, engineers and surveyors working with legacy data encounter the US survey chain in historical deeds, maps, and legal descriptions. Its precision ensures consistency when reconciling pre-modern measurements with modern coordinates.
League (Statute) (st.league)
The statute league was historically defined as 3 statute miles (~4.828 km). It originated as a measure of distance a person could travel on foot in about an hour. Leagues were widely used in exploration, mapping, and maritime navigation prior to the universal adoption of standardized miles and kilometers. They also appear extensively in literature, conveying narrative distances in a way more relatable to the human scale. Though obsolete in modern usage, the statute league provides cultural and historical context for maps, journals, and records from the 16th through 19th centuries.