The Home Almanac

Vol. I, MMXXVIThe American home, in season.Across all fifty states

Livestock Weight Calculator

Estimate live weight from heart girth and body length when a scale is not available.

Weight Tape

Planning estimate only. Tape estimates are less reliable for pregnant animals, unusual conformation, or recently transported pigs. Verify important weights on a scale.

How the estimate works

Cattle, sheep, and goats use heart girth squared times body length divided by 300. Pigs can use girth squared times length divided by 400, with a 7 lb correction under 150 lb, or the Kansas State girth-only regression for finishing pigs.

Sources

Tape-weight formulas: University of Arizona Cooperative Extension and WSU Ferry County Extension. Pig girth-only regression: Kansas State summary hosted by WSU Extension.

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