How much does a hot tub weigh when full?ĭepending on the size of the hot tub, it’ll likely weigh between 1500lb and 4400lb when filled with water. If you’re planning on keeping your hot tub as a permanent installation, then the empty weight is less important. If you’re buying a hot tub to use only with your partner, you might’ve been thinking about a larger one for more space – but if you like the idea of relocating it, you might prefer something smaller that weighs 50lb when drained, instead of three times the weight. This is useful information to know, because while you’ll never really use your hot tub empty, you might want to move it around at some point. Most 4-person inflatable hot tubs will weigh around 90lb without any water added. How much does a hot tub weigh empty?Ī regular hot tub will weigh around 500lb when empty, while an inflatable hot tub is much lighter – typically 50-165lb when inflated. You can reinforce a deck using a concrete slab, or using additional joists to help spread the weight of the deck. This provides additional security and provides a gateway to a permanent hot tub later on. Otherwise a large hot tub, or one filled to capacity, could go crashing through.Įither way, it is advisable to reinforce your deck if it is higher than two feet, whether the inflatable hot tub is heavy or not.

However, if the deck is higher than two feet above the ground, extra support would be needed.

Normally, a deck that is built at ground level or up to 2 feet above the ground can comfortably support up to 100 pounds per square foot. The weight of inflatable hot tub matters because it determines whether or not a deck or terrace can support the tub. Why does the weight of an inflatable hot tub matter?

The average hot tub for four people, when occupied, will weigh around 2,500lb.

Water capacity tends to fall between 500 liters and 1,500 liters (1 liter = 2.2lb).

The average inflatable hot tub weighs 88lb when empty (based on 50 hot tubs from 3 leading brands).

Here are some quick stats about the weight of inflatable hot tubs:

Blow up hot tub