Brown recluse spiders are relatively small creatures, with an average body length of about 0.25 inches (0.64 cm) and a leg span of about 0.5 inches (1.27 cm). When fully extended, they can reach about 1.25 inches (3.18 cm) in length. Their average weight is around 0.5 grams (175 mg). These small spiders are typically less than a quarter of an inch (6 mm) in length and weigh less than 200 mg.
brown recluse size comparison
