Hardwood floor refinishing cost calculator
By Wood Floor Report Editorial. Last reviewed August 2026. How we research this.
Enter your square footage, pick the service, and read the published 2026 range. Every rate is sourced and dated, and the full method is written out below the tool.
Square feet times the published rate for the service you pick, stairs by the step. Every rate is sourced and dated on this page; nothing is invented.
Your range
$0 to $0
Typical whole projects run $1,107 to $2,680 (HomeAdvisor, read 2026-08-28; Bob Vila agrees within $30).
"It’s almost always cheaper to refinish hardwood floors than to replace them." (NerdWallet, read 2026-08-28)
Rates: screen and recoat $2 to $4.50/sq ft (Derived: Fixr screening $1 to $2.50 plus recoating $1 to $2, both read 2026-08-28); sand and refinish $3 to $8/sq ft (NerdWallet, HomeAdvisor and Bob Vila, all read 2026-08-28); sand, stain and refinish $4 to $11/sq ft (Derived: the $3 to $8 sand-and-refinish range plus NerdWallet’s $1 to $3 staining component); stairs $25 to $45 per step (Fixr, read 2026-08-28). Method: area times rate, stairs by the step, rounded to $10. Full sourcing: how we research this.
In brief
A full sand and refinish costs $3 to $8 per square foot in 2026. NerdWallet, HomeAdvisor and Bob Vila all publish that exact range, each read August 28, 2026. A screen and recoat, the lighter service, runs $2 to $4.50 per square foot, the sum of Fixr's published screening and recoating rates.
Adding a stain color change raises the band to $4 to $11. Stairs price by the step, at $25 to $45 each, per Fixr. The calculator on this page multiplies your area by those published rates, adds stairs, and rounds each end to the nearest $10.
It applies no condition, wood or regional multipliers, because no published source prices one. For scale, HomeAdvisor puts the average whole project at $1,891, with most jobs between $1,107 and $2,680. A 500 square foot sand and refinish with 12 steps works out to $1,800 to $4,540.
How the calculator works
The whole formula fits in one sentence. Floor area times the published rate for the service you picked, plus $25 to $45 for each stair step, with each end of the result rounded to the nearest $10. That is everything the tool does. There is no hidden weighting and no adjustment you cannot check by hand against the table below.
Notice what it does not ask you to price. Most refinishing calculators apply a condition multiplier, a regional multiplier, or both. No cost publisher we read prints either one. Not NerdWallet, not HomeAdvisor, not Bob Vila, not Fixr, not This Old House, not Homewyse, not Inch Calculator, not Today's Homeowner. A multiplier with no source behind it is a made-up number wearing a percent sign. So this tool refuses to use one.
Condition and wood type still matter to your real price. That is why the calculator asks for them, then sends them along with your quote request instead of doing fake math on them. The contractor who sees your floor prices them, because that is the only place it can be done.
Where each rate comes from
| Service | Rate | Source |
|---|---|---|
| Screen and recoat | $2 to $4.50 per sq ft | Sum of Fixr's screening ($1 to $2.50) and recoating ($1 to $2) rates |
| Sand and refinish | $3 to $8 per sq ft | NerdWallet, HomeAdvisor and Bob Vila, identical at all three |
| Sand, stain and refinish | $4 to $11 per sq ft | The $3 to $8 sand range plus the $1 to $3 staining rate at NerdWallet and HomeAdvisor |
| Stairs | $25 to $45 per step | Fixr |
Method: area times rate, stairs by the step, each end rounded to the nearest $10. All sources read August 28, 2026. The $3 to $8 range also appears word for word at Fixr, This Old House and Inch Calculator. Full sourcing on how we research this.
Two of those four rows are sums, and we say so rather than hide it. Fixr prices screening and recoating as separate line items, not as one bundled screen-and-recoat job. So the top row adds them. No publisher prices a sand with a stain change as one line either. So the third row adds NerdWallet's staining component to the sand range. Adding two published rates and stating the method is arithmetic. Inventing a multiplier is not.
The stair rate is deliberately the narrow one. Bob Vila prints $25 to $85 per step, a much wider band than Fixr's $25 to $45. The calculator uses Fixr so its total never runs higher than a named source. That means a stair-heavy job can genuinely beat the estimate. The per-step math and what drives it live on stair refinishing cost.
One published rate sits above this tool's whole band, and it deserves a sentence. Homewyse starts at $6.49 to $7.92 per square foot as of May 2026. That is not a contradiction. Homewyse prices a defined scope, two-pass machine sanding plus two coats of polyurethane, with prep spelled out. If your quotes come in near that level, scope is usually why.
Check the math yourself
Take 500 square feet of sand and refinish with 12 stair steps, the example from the top of this page.
- Low end: 500 sq ft times $3 is $1,500. Twelve steps times $25 is $300. Total $1,800.
- High end: 500 sq ft times $8 is $4,000. Twelve steps times $45 is $540. Total $4,540.
The calculator shows $1,800 to $4,540. Both ends already land on a $10 boundary, so rounding changes nothing in this case. When it does round, it moves a result by $5 at most.
Two more worked examples
a rounding case, and a big job with a color change
A 150 square foot bedroom, screen and recoat, no stairs. Low end: 150 times $2 is $300. High end: 150 times $4.50 is $675, which rounds to $680. The calculator shows $300 to $680. That high end is the one place in these examples where the $10 rounding actually moves a number.
A 1,000 square foot main floor, sanded, stained a new color. And refinished, no stairs. Low end: 1,000 times $4 is $4,000. High end: 1,000 times $11 is $11,000. The calculator shows $4,000 to $11,000.
That last one cross-checks against a source directly. NerdWallet's own size table prices a 1,000 square foot refinish, with no color change, at $3,000 to $8,000. Its staining rate is $1 to $3 per square foot, which is $1,000 to $3,000 on this floor. Add them and you get $4,000 to $11,000, exactly what the tool prints. Per-foot detail is on cost per square foot.
What moves a real quote inside the range
The published band is $3 to $8 for a reason: jobs differ. Three things decide where yours lands, and none of them needs a fake multiplier to understand.
Condition
A floor with deep scratches, gray boards or pet stains prices toward the top of the range, and damage can change the service itself. The Flooring Girl, a flooring trade blog, is direct about the boundary: a screen and recoat will not fix deep scratches, will not change color. And will not work on waxed floors. Bad spots can also add repair work before sanding starts. That This Old House prices at $6 to $12 per square foot.
Species hardness
Harder wood sands slower, and slower is more expensive. The USDA Forest Products Laboratory measures hardness with the Janka test: northern red oak rates 1,290 pounds-force, sugar maple 1,450, and pignut hickory 2,140. The price follows. NerdWallet lists oak refinishing at $3 to $5 per square foot and maple at $6 to $8. If you are not sure what wood you have, wood species shows how to tell.
Access and equipment
Stairs are the clearest access premium: HomeAdvisor prices stair refinishing at $4.50 to $8 per square foot, against a $3 floor for open rooms. Equipment choices move the number too. Dustless sanding adds about $2 per square foot on average, per HomeAdvisor. All of this is labor, and labor is up to 80% of the bill, per HomeAdvisor and This Old House. That is why time on site moves your price far more than the cost of finish in the can.
You may not need a full refinish
If your floor is dull but the wood is not gray, bare or deeply scratched, a screen and recoat at $2 to $4.50 per square foot likely does the job. Inch Calculator puts a recoat at about half the cost of a full refinish. On the 500 square foot example, that is $1,000 to $2,250 before stairs, against $1,500 to $4,000 for the full sand. The test for which one your floor needs is on screen and recoat.
We do not sell flooring and we do not refinish floors. So nothing here leans on you to buy the bigger job. If you are weighing doing the work yourself, This Old House prices DIY materials, rentals and safety gear at $500 to $1,000. The full math is on DIY refinishing cost, and the rest of the money pages live at the cost hub.
Common questions
How accurate is this cost calculator?
It is as accurate as the published rates it runs on. The tool multiplies your area by the $3 to $8 per square foot range that NerdWallet, HomeAdvisor and Bob Vila all print, and prices stairs at Fixr's $25 to $45 per step. It adds no invented adjustments. Real quotes move inside that range with condition, wood species and access, so treat the result as a bracket, not a bid.
Why does the calculator not ask for my ZIP code or my floor’s condition?
Because no published cost guide prices them. None of the publishers read for this site prints a regional or condition multiplier. So any number the tool applied there would be invented. Condition and wood type still matter, so the calculator collects them and sends them along with your quote request. The contractor prices them against your actual floor, which is the only place that math can be done.
What does hardwood floor refinishing cost per square foot in 2026?
$3 to $8 per square foot for a full sand and refinish. NerdWallet, HomeAdvisor, Bob Vila, Fixr, This Old House and Inch Calculator all publish that same range, each read August 28, 2026. Homewyse is the high outlier at $6.49 to $7.92 per square foot (May 2026). The reason: it prices a defined scope: two-pass machine sanding plus two coats of polyurethane.
What does a typical whole project cost?
Published averages cluster between $1,200 and $2,000. Fixr says $1,200 for a 200 square foot job, This Old House $1,800, Bob Vila $1,869, HomeAdvisor $1,891, and Today's Homeowner about $2,000. HomeAdvisor puts most projects between $1,107 and $2,680. If the calculator hands you a range far outside those figures, your project is simply bigger or smaller than the typical one.
Why is the result a range instead of one number?
Because the sources publish ranges, and the spread is real. Labor is up to 80% of the bill, per HomeAdvisor and This Old House. And labor time changes with condition, species hardness and access. NerdWallet prices oak refinishing at $3 to $5 per square foot but maple at $6 to $8. One number would hide exactly the spread you need to see before reading quotes.
How does the calculator price stairs?
At $25 to $45 per step, Fixr's published rate. Bob Vila prints a wider $25 to $85 band, so the tool uses the narrower figure on purpose, and a stair-heavy quote can still land above its high end. HomeAdvisor prices a whole stair and railing project at $321 to $1,255, with an average of $788. Twelve steps add $300 to $540 to any service you pick.
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