Cost Calculator AI
Construction & ContractorsFabrication Tool

Countertop Cost Calculator

Calculate granite, quartz, butcher block, and marble countertops with sink cutouts, edge profiling, and matching backsplashes.

Calculation Results

Countertop Fabrication Formula

Total Turnkey Cost = (Area sq ft × Slab Rate) + Sink Cutout Fees + Edge Profiling Fees + Backsplash
  • Slab Rates (Fabricated & Installed): Laminate ($32), Butcher block ($55), Granite ($75), Quartz ($88), Marble ($120).
  • Cutout Fees: Undermount sink hole cutting and edge polishing averages $200–$250 per cutout.
  • Edge Profiling: Standard eased edge is typically free; bullnose or bevel adds $12/lin ft; Ogee adds $25/lin ft.

Step-by-Step Worked Example

Scenario: 50 sq ft of engineered quartz kitchen countertops with 1 undermount sink cutout and bullnose edge

Calculation Steps:

  1. Slab Fabrication & Install = 50 sq ft × $88 = $4,400
  2. Undermount Sink Cutout & Polish = 1 × $220 = $220
  3. Bullnose Edge Profiling (35 lin ft × $12) = $420
  4. Quartz 4-inch Backsplash (15 sq ft × $75) = $1,125
  5. Total Turnkey Countertop Cost = $4,400 + $220 + $420 + $1,125 = $6,165
Result: The total fabricated and installed quartz countertop cost is $6,165 ($123.30 per sq ft including cutouts and edge work).

How to Use This Calculator

  1. 1Enter total countertop surface square footage (Length in inches × Depth in inches / 144).
  2. 2Include sink cutouts and decorative edge profile selections.

Assumptions & Limitations

  • Estimates are based on standard national averages and current prevailing construction materials and contractor rates.
  • Actual trade bids may fluctuate according to local building code requirements, permit fees, and site topography.
  • Always obtain multiple written bids from licensed, bonded, and insured contractors before commencing work.

Frequently Asked Questions

Which is more durable: granite or engineered quartz?

Engineered quartz is non-porous and never requires sealing, making it more stain-resistant than natural granite. However, granite has superior heat resistance against direct hot pans.

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