Definition Edit Block length is “ [t]he number of records, words or characters in a block. . . . A measure of the size of a block, usually specified in units such as records, words, computer words, or characters. ” References Edit ↑ Glossary of Computer System Software Development Terminology. Retrieved from "https://itlaw.wikia.org/wiki/Block_length?oldid=209962" Categories: Definition Data Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.