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Calculate door replacement cost from count, price and labor — see total cost with hardware for interior and exterior doors.
Calculate door replacement cost from count, price and labor — see total cost with hardware for interior and exterior doors.
Enter values above and click Calculate — results will appear here with the formula explained.
Door replacement cost is count times price plus labor and hardware per door. Interior doors run $100–300 installed, exterior $300–800, labor $80–150 per door, hardware $20–50 — so a 6-door interior refresh at mid-range lands near $2,160 all-in.
Interior versus exterior is the cost fork: hollow-core interiors are cheap slabs, while exterior units add weatherstripping, thresholds, locksets and often rot repair around the frame. Prehung doors (slab plus frame) cost $50–100 more per unit but cut labor time nearly in half versus slab-only swaps into old frames.
Labor varies more than materials: straightforward same-size swaps take under an hour, but reframing, widening for accessibility, or fixing water-damaged jambs can triple per-door labor. Get itemized quotes separating unit price from labor — bundled 'per door installed' figures hide where the money goes.
Hardware is the underestimated line: handles, hinges, locksets and smart locks run $20–50 standard but $150+ for smart deadbolts. For exterior steel entry doors, security and energy ROI is strong — insulated steel units pay back via heating bills and insurance posture, unlike cosmetic interior swaps.
Repair-versus-replace decides scope: sticking doors often need hinge adjustment or planing ($0–30 DIY), while delamination, rot or cracked panels justify replacement. Replacing all interiors at once also unlocks bulk pricing — contractors discount 10–20% on 6+ door jobs versus singles.
Calculate door replacement cost from count, price and labor — see total cost with hardware for interior and exterior doors. Formula: Total = count*(price+labor+hardware). Example: With 6 doors, $250 price, $80 labor, $30 hardware: cost 6×360=$2,160.
Door replacement cost is count times price plus labor and hardware per door. Interior doors run $100–300 installed, exterior $300–800, labor $80–150 per door, hardware $20–50 — so a 6-door interior refresh at mid-range lands near $2,160 all-in.
Interior versus exterior is the cost fork: hollow-core interiors are cheap slabs, while exterior units add weatherstripping, thresholds, locksets and often rot repair around the frame. Prehung doors (slab plus frame) cost $50–100 more per unit but cut labor time nearly in half versus slab-only swaps into old frames.
Labor varies more than materials: straightforward same-size swaps take under an hour, but reframing, widening for accessibility, or fixing water-damaged jambs can triple per-door labor. Get itemized quotes separating unit price from labor — bundled 'per door installed' figures hide where the money goes.
Hardware is the underestimated line: handles, hinges, locksets and smart locks run $20–50 standard but $150+ for smart deadbolts. For exterior steel entry doors, security and energy ROI is strong — insulated steel units pay back via heating bills and insurance posture, unlike cosmetic interior swaps.
Repair-versus-replace decides scope: sticking doors often need hinge adjustment or planing ($0–30 DIY), while delamination, rot or cracked panels justify replacement. Replacing all interiors at once also unlocks bulk pricing — contractors discount 10–20% on 6+ door jobs versus singles.
With 6 doors, $250 price, $80 labor, $30 hardware: cost 6×360=$2,160. Switching to prehung at $320 with $60 labor: 6×410=$2,460 — $300 more upfront for faster install and truer frames.
Formulas are standard public references (see our methodology). External standards are cited in the text where they apply.
Last reviewed: September 2026 · Report an error