HOW TO USE IT
How to use the Bathtub Replacement Cost Calculator
- 1
Choose the type (standard, walk-in or whirlpool).
- 2
Select the material (acrylic, cast iron or fiberglass).
- 3
Set access difficulty and plumbing work.
- 4
Review the total cost and line-item breakdown.
THE MATH
Bathtub replacement cost formula
Total = bathtub × material + labor × access + plumbing + wall repair + disposalA standard tub runs ~$1,000, walk-in ~$5,500, whirlpool ~$3,500. Cast iron adds 50%. Difficult access adds 30% to labor. Wall repair runs ~$1,500.
PRACTICAL EXAMPLE
Standard acrylic tub, moderate access
Bathtub = $1,000. Labor = 16 h × $60 × 1.1 = $1,056. Plumbing = $1,000. Wall repair = $1,500. Disposal = $200. Total ≈ $4,756.
FAQ
Frequently asked questions
How much does a bathtub replacement cost in 2026?
Use $2,100-$9,700 as a broad replacement range; hidden water damage or accessibility models can raise the total.
Standard or walk-in?
A walk-in tub improves accessibility but can cost several times more than a standard tub.
Do I need wall repair?
Often. Inspect waterproofing, substrate and hidden water damage before pricing the surround.