How Much to Charge for Countertop Installation: An Estimate, Worked

October 26, 2026 · Pricing a service business

To work out how much to charge for countertop installation, build the price from the job: the slabs it takes once you count the stone you cannot use, the shop hours to cut, edge and finish, the template visit, tear-out and install, and your own hours at the floor rate your year needs, with a margin on top. In the illustrative kitchen below, the job costs $5,278.37, a 25% margin prices it at $7,037.83, and that is $113.06 per square foot installed.

None of these figures are market prices. Every slab size, slab price, usable share and minute belongs to one made-up fabricator-installer, there to be replaced with your supplier’s quote and your own timings. Nothing here is structural advice: overhangs, supports, seam placement and whether the cabinets carry the stone are your judgment, not the arithmetic’s.

The countertop estimate formula

total sq ft   = runs + island + backsplash, each length x depth / 144
slabs         = total sq ft / (slab sq ft x usable share), rounded up
shop hours    = cutting + edge + cutouts and holes + seams + setup
your hours    = shop hours + template, install and tear-out hours
job cost      = stone and supplies + your hours x your floor rate
                + helper and disposal + parts + travel
price         = job cost / (1 - margin)
price per sq ft = price / total sq ft

That is the whole countertop estimate calculator; the steps below run it on one kitchen.

Step 1: your hourly floor

The example owner wants $65,000 a year kept after a 25% tax set-aside, carries $30,000 of shop rent, tool upkeep and other business costs, and books 34 hours a week fabricating or installing for 48 weeks. Reschedules and remakes take 8% of those hours, leaving 1,501.44 paid hours. The year needs $116,666.67, so the floor is $77.70 per paid hour. With 10 unpaid hours a week of driving and admin besides, the owner keeps $30.78 per hour actually worked.

Step 2: measure the tops

Measure each piece as a rectangle in inches, with the overhang in the depth (25.5 inches here), and stop the second run at the first so the corner is counted once.

That is 56.25 square feet of top and 62.25 with the 4 inch backsplash. Measure the finished edge too: the 72 by 36 inch island, finished on all four sides, has 18 feet of edge, more than the 15.83 feet on both runs together. The job has 33.83 feet of edge.

Step 3: how many slabs

A 120 by 55 inch slab is 45.83 square feet, but after layout, seams, vein matching and defects the example owner’s records say only 70% of it is usable: 32.08 square feet. That is less than the 62.25 the job needs, so 2 slabs are bought at $1,600.00: $3,200.00, with 29.42 square feet left as remnant. Add $180.00 of adhesive, sealer and worn blades and stone and supplies come to $3,380.00.

Step 4: shop hours

At 4 minutes a square foot, cutting takes 249 minutes; at 6 minutes a foot, profiling and polishing 33.83 feet of edge takes 202.98, close behind. 2 sink and cooktop cutouts at 45 minutes, 3 faucet holes at 10, 1 seam at 40 and 60 minutes of setup and handling make 11.20 shop hours, and edge work is 30% of them. A fancier profile changes the edge minutes, which is why edge upgrades are priced per foot below.

Step 5: template, tear-out and install

The owner makes the template visit alone: 1.5 hours on site and 1 hour of driving. A crew of 2 makes the install trip: 4 hours on site and 1 hour of driving each. Tearing out 56 square feet of old tops at 3 minutes a square foot is 2.80 person-hours, shared. That gives the owner 8.90 hours and the helper 6.40; at $24.00 an hour with payroll costs, plus $75.00 of disposal, helper and disposal come to $228.60.

Step 6: price the countertop job

That is $113.06 per square foot installed, backsplash included. A 60% deposit of $4,222.70 pays for the slabs and supplies with $842.70 over, so you are not carrying the stone between template and install. The kitchen remodel cost calculator shows where tops sit in a whole kitchen budget, from the customer’s side.

Checking an installed price per square foot

If you quote from a price list instead, check it against the job. At $95.00 per square foot, plus $12.00 a foot of edge upgrade, $150.00 a cutout and $8.00 a square foot of tear-out ($1,153.96 of extras), this kitchen quotes at $7,067.71, above a $1,500 minimum. Against the $5,278.37 job cost that earns a 25.3% margin. The rate that just reaches a 25% margin is $94.52 and break-even is $66.26, so the example rate clears both, but narrowly. Needing a third slab at the same rate would put the quote below cost plus margin. The tile installation cost per square foot post checks a per square foot rate the same way.

The insight: the slab price is not the stone cost

Divide the slab price by its size and the stone looks like $34.91 a square foot. But 2 slabs cover 62.25 finished square feet, so it really costs $51.41 a square foot of finished top. The usable share and whole slabs decide that, not the sticker. A few square feet more, past what 2 slabs can yield, means buying another slab.

And the stone is under half of the price: 48%. The rest is time. 20.10 of the owner’s hours sit in this job, and edge feet, cutouts and the tear-out each add their own. A price that marks up the slab misses most of what the job costs to do.

Did the job pay?

After the install, check the actuals. Say it sold at $7,067.71, ran to 23 of the owner’s hours against 20.10 planned, 7 helper hours, $3,380.00 of stone and supplies and $183.00 of parts, disposal and travel, and a 3% card fee took $212.03. That leaves $3,124.68, or $135.86 per hour of the owner’s time, above the $77.70 floor, even with the overrun. The cabinet painting pricing post runs the same after-job check for another kitchen trade.

How these were calculated

The floor is (income / (1 - tax share) + business costs) / (booked hours x (1 - share lost) x weeks). Each piece is length x depth in inches / 144; island edge is its perimeter in feet. Slabs are total square feet over (slab square feet x usable share), rounded up; remnant is the slabs bought less the square feet used. Shop hours are square feet x cutting minutes, edge feet x edge minutes, cutouts, holes, seams and setup, over 60. The owner’s install hours are the template trip, the install trip and half the tear-out. Job cost and price follow the table, with figures carried from step to step as the spreadsheet shows them, to the cent. Every figure was computed twice, once by the code behind the product below and once by an independent program that measures in square inches, adds slabs one at a time and times the shop in hours piece by piece, and the two agree. All inputs are illustrative, not supplier figures, measured times or market prices, and nothing here is structural advice. None of this is financial, legal or tax advice.

To run this on your own slabs, shop times and year, the pack below has eight linked calculators, from the hourly floor to the after-job check.