Whole-House Interior + Exterior Paint Cost
Doing the inside and the outside? Add your two estimates into one number. Enter your interior total and your exterior total — or reuse the results from the interior and exterior cost tools — for a single whole-house budget.
A full repaint is the sum of the interior ($8,800.00) and exterior ($4,669.00) estimates — about $13,469.00. Enter each, or reuse your interior and exterior tool results.
Calculator inputs
A full repaint is really two projects with one checkbook. The cleanest way to budget it is to price each half properly — the interior with its own area and rate, the exterior with its own — and then simply add them. This tool keeps the addition honest and the two halves visible, so a swing in one does not quietly hide in the total.
Price the interior with the cost-to-paint-interior-of-house tool and the exterior with the exterior house painting cost tool, then bring both totals here. Because each half already carries its own labor, add-ons and contingency, this step is a plain sum — no double-counting, no hidden assumptions.
Formula
The whole house is the sum of the two halves:
total = interior_total + exterior_total
- interior_total — your finished interior estimate (area × $/sq ft + labor + add-ons, with contingency).
- exterior_total — your finished exterior estimate, built the same way.
Keep each half’s contingency inside that half so you do not buffer twice.
Worked example
Suppose the interior tool gave you $8,800 (4,000 sq ft at $2.00 with 10% contingency) and the exterior tool gave you $4,669 (2,358 sq ft of siding at $1.80 with 10%):
$8,800 + $4,669 = $13,469
So the whole-house repaint plans at about $13,469. Because each half was priced on its own area and rate, the total reflects the real difference between painting inside walls and weather-exposed siding.
Measure first, avoid re-orders
Price each half first, then add. The temptation is to guess one whole-house number; resist it. Interior and exterior have different areas, different rates and different prep, and averaging them buries exactly the detail that makes a budget useful.
- Buffer once. Each source tool already adds contingency — do not add another layer here.
- Sequence the work. Many owners do the exterior in dry weather and the interior anytime; splitting the totals lets you stage the spend across seasons.
- Watch the overlap. Trim, doors and porch ceilings can appear in both estimates — count them in one half only.