Get an INSTANT estimate of the cost to Install Bathtub Tile! Our free calculator uses recent, trusted data to estimate costs for your Bathtub Tile Installation project. For a basic 120 square feet project in zip code 47474, the benchmark cost to Install Bathtub Tile ranges between $14.96 - $21.09 per square foot* .To estimate costs for your project: 1.or a basic 120 square feet project in zip code 47474, the benchmark cost to Install Bathtub Tile ranges between $14.96 - $21.09 per square foot* . To estimate costs for your project: