chain Table of Contents Introduction References & Edit History Related Questions When did science begin? Where was science invented? Is Internet technology "making us stupid"? What is the impact of artificial intelligence (AI) technology on society? Read Next The World Science Festival’s Pioneers in Science 5 Quizzes That Will Tell You Whether You Should Have Been a Scientist History of Technology Timeline How Does Wi-Fi Work? 15 Questions About Units of Measurement Answered Discover Was Santa Claus a Real Person? Why Is Ireland Two Countries? 8 Deadliest Wars of the 21st Century 11 Banned Books Through Time 12 Novels Considered the “Greatest Book Ever Written” Why Is Thanksgiving in the U.S. Celebrated on a Thursday? 14 Tough Questions Answered Contents Technology Engineering Mechanical Engineering chain unit of length Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/science/chain-unit-of-length Feedback Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article. External Websites Ask the Chatbot a Question Also known as: surveyor’s chain Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot a Question Also called: Gunter’s Chain (Show more) Related Topics: length unit (Show more) chain, in surveying, a unit of length. See surveyor’s chain.