At our outdoor bench factory, the short answer is that there is no single weight capacity for every outdoor bench, because capacity is engineered around the model, material, intended use, and installation method. That said, a typical standard outdoor bench is usually designed for about 300 to 500 lbs (136 to 227 kg) of evenly distributed static weight per bench or per seating section. Residential garden benches often fall in the 250 to 400 lbs range, while commercial-grade park benches are commonly built to handle 500 to 800 lbs (227 to 363 kg). Heavy-duty outdoor benches with reinforced steel frames, cast aluminum or cast iron supports, thick slats, and strong fasteners can reach 1,000 lbs (454 kg) or more, especially when anchored to concrete. The real-world load rating depends on frame material, slat span, leg and arm design, weld quality, fastener strength, anchoring, and whether the load is static or dynamic. A person dropping onto the seat, several people leaning on one arm, or wind-driven movement can create forces higher than simple body weight. That is why our factory tests representative benches with incremental loads and often applies a safety factor of 1.5x to 2x the rated capacity. We can also follow ASTM, BIFMA, or customer-specific test protocols when needed. For an exact number, always check the product spec sheet or request a load test report, because a responsible bench factory will not give one universal figure without knowing the design. If you need a guaranteed capacity, share your target load, seating length, installation surface, and environment, and we can engineer the bench to meet it.