Plan your backyard oasis — pools, hot tubs, chemicals, and outdoor kitchens. 5 free calculators to budget every detail before breaking ground.
Total inground pool installation cost — excavation, materials, decking, and permits.
Gallons of water in your pool by shape, dimensions, and depth.
Chlorine, pH adjuster, and stabilizer doses based on pool volume and test results.
Hot tub purchase, installation, and annual operating cost breakdown.
Budget your outdoor kitchen — grill, countertops, cabinets, and utilities.
Every calculator on this page traces its formulas to federal agencies and peer-reviewed institutions.