A wolf spider typically weighs between about 0.1 and 1 gram.

More detail :

• Small species: ~0.05–0.2 g
• Medium species (most common): ~0.2–0.6 g
• Large species (e.g., Hogna spp.): up to ~1 g, occasionally slightly more

Their weight varies by species, sex (females are heavier), and whether the female is carrying an egg sac or spiderlings.