What weight capacity should an office chair have?

Standard commercial office chairs are BIFMA-rated for 250 lbs. Chairs rated for 275–300 lbs are a good standard for office purchasing. Heavy-duty big-and-tall chairs are rated for 350–500 lbs with wider seats (20"–22"), taller backs, and reinforced bases. FindOfficeFurniture.com carries chairs across the full weight-capacity range — call 888-719-4960.