Get an INSTANT estimate of the cost to Install a Wood Floor! Our free calculator uses recent, trusted data to estimate costs for your Hardwood Flooring Installation project. For a basic 120 square feet project in zip code 47474, the benchmark cost to Install a Wood Floor ranges between $8.21 - $11.04 per square foot* .To estimate costs for your project: 1.Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.or a basic 120 square feet project in zip code 47474, the benchmark cost to Install a Wood Floor ranges between $8.21 - $11.04 per square foot* .