Is $1,752.71 a good price for the Kohler Underscore 72-inch tub?

It is the lowest of the four new prices we track as of November 6, 2026. Other stores list it higher, so this is a strong price if you are ready to buy.

What are the cutout dimensions for this drop-in tub?

The tub is 72 by 36 inches overall, so the deck opening must be built to that footprint. Check Kohler's installation guide for the exact rough-in before framing.

Does it come with a drain?

It uses a slotted overflow drain. Confirm with the store whether the drain assembly is included, since drop-in tubs often sell the trim separately.

Can I use it as a shower base?

No. This is a soaking tub with no shower option, so it needs a separate shower or a tub filler only.

How much water does it hold?

Capacity is listed at 80 gallons or more to the overflow. That is a large fill, so a tankless or high-recovery water heater helps.

Is acrylic better than cast iron here?

Acrylic is lighter and warmer to the touch, which suits a large drop-in tub. Cast iron resists scratches better but weighs far more and costs more to install.