What is the cost to replace one interior door?

Single interior door replacement typically $150–$400 for hollow core, $300–$600 for solid core, including labor. Prehung adds frame.

Hollow core vs solid core interior door cost?

Hollow core often $150–$300 installed; solid core $300–$600+. Solid core is heavier, better for sound and durability.

How long does interior door installation take?

One door often 1–2 hours for a pro. Multiple doors in one day. Custom sizing or finishing adds time.

What is included in interior door replacement?

Typically: door (slab or prehung), removal of old door, install, and hardware. Trim and paint may be extra.

Do I need to replace the frame when replacing an interior door?

Prehung doors include a new frame and are easier to align. Slab-only replacement uses the existing frame; frame must be in good shape.

How much does it cost to replace 6 interior doors?

Six interior doors typically $900–$2,500 for hollow core, $1,800–$3,600 for solid core. Bulk may reduce per-door cost.

Can I replace an interior door myself?

Slab replacement is DIY-friendly if the frame is square. Prehung install and hinge alignment are trickier; pros ensure a proper fit.

What is a prehung door?

Prehung means the door comes mounted in its frame (jamb), ready to install in the rough opening. Easiest for replacement.

How do I get the best interior door quote?

Get 2–3 quotes. Specify number of doors and hollow vs solid. Ask if hardware and trim are included. Compare cost per door.

What is the lifespan of an interior door?

Hollow core can last 15–25 years. Solid core 30+ years. Hardware and paint may need refresh sooner.

How much does it cost to widen an interior door?

Widening the opening requires framing and possibly header work: often $500–$1,500+ in addition to the door.

What is the cost of bifold door replacement?

Bifold (closet) doors typically $150–$400 per opening installed. Quality and size affect price.

Do interior doors need to be painted?

Many come primed; paint is extra. Prefinished doors are available at higher cost. Factor paint into the budget.

What is the average cost to replace all interior doors in a house?

Whole-house interior door replacement (8–12 doors) often $1,500–$5,000+ depending on type and count.

Interior Door Replacement Cost Calculator

Use this free interior door replacement cost calculator to estimate cost by number of doors and type (hollow or solid core). Most replacements run $150–$600+ per door. Get a low, average, and high estimate below.

How much does interior door replacement cost?

Interior door replacement in the U.S. typically costs $150–$600+ per door: hollow core $150–$300, solid core $300–$600+. Get 2–3 local quotes.

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Average Interior Door Replacement Cost

National averages run $150–$600+ per door. Final cost depends on type.

Cost by type (per door)

Typical ranges

Type	Estimated cost
Hollow core	$150–$300
Solid core	$300–$600

Cost factors

What drives the total

Factor	Impact
Prehung vs slab	Prehung includes frame
Hardware	Often separate

What Affects Interior Door Replacement Cost?

Door type — Solid core costs more than hollow core.
Quantity — Multiple doors may reduce per-door labor.
Labor — Rates vary by region.

Data from contractor quotes

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Interior Door Replacement Cost FAQs

Common questions about interior door replacement cost.

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Disclaimer: Estimates are for planning only. Actual costs depend on product and local rates. Get 2–3 written quotes.