400 Sq Ft Carpet Cost
🧶 How much does 400 square feet of carpet flooring cost? See the full breakdown with 2026 national average pricing.
Total Installed Cost
$1,200 – $4,400
Average: $2,800 ($7/sqft)
For 400 sq ft — about a large bedroom or small living room
Independent contractor estimate: $2,100
Save ~$700 vs retail — no store markup on materials or labor
Key Takeaways
Average Cost
$2,800
Cost Range
$1,200 – $4,400
Per Sq Ft
$7/sqft
Waste Factor
10% (40 sqft extra)
Carpet Cost Breakdown for 400 Sq Ft
Materials
$2–$8/sqft × 440 sq ft (with 10% waste)
$800 – $3,200
Labor / Installation
$1.5/sqft × 400 sq ft
$600
Waste Factor
10% extra material = 40 additional sq ft
+40 sq ft
Total Project Cost
$1,200 – $4,400
About Carpet
Wall-to-wall carpet in various fibers and styles. Soft and warm.
✅ Pros
- • Soft & warm
- • Sound absorption
- • Affordable
- • Comfortable for kids
⚠️ Cons
- • Stains easily
- • Harbors allergens
- • Shorter lifespan
- • Not waterproof
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All Flooring Costs for 400 Sq Ft
Compare every flooring type for the same square footage:
| Flooring Type | Cost/Sq Ft | Total Low | Total High | Average |
|---|---|---|---|---|
| 🧶 Carpet ● | $3–$11 | $1,200 | $4,400 | $2,800 |
| ✨ Epoxy Coating | $3–$12 | $1,200 | $4,800 | $3,000 |
| 📏 Laminate | $4–$12 | $1,600 | $4,800 | $3,200 |
| 🔷 Vinyl Plank (LVP/LVT) | $4–$13 | $1,600 | $5,200 | $3,400 |
| 🪵 Cork | $6–$13 | $2,400 | $5,200 | $3,800 |
| ⬜ Ceramic Tile | $5–$16 | $2,000 | $6,400 | $4,200 |
| 🎋 Bamboo | $7–$16 | $2,800 | $6,400 | $4,600 |
| 🌲 Engineered Hardwood | $7–$19 | $2,800 | $7,600 | $5,200 |
| 🔲 Porcelain Tile | $7–$25 | $2,800 | $10,000 | $6,400 |
| 🪵 Hardwood | $10–$30 | $4,000 | $12,000 | $8,000 |
| 🪨 Natural Stone | $11–$45 | $4,400 | $18,000 | $11,200 |
Frequently Asked Questions
How much does 400 sq ft of carpet cost?
400 square feet of carpet flooring costs between $1,200 and $4,400 installed, with a national average of $2,800 ($7/sqft including material and labor). This covers a large bedroom or small living room.
What is the cost per square foot for carpet?
The average installed cost of carpet is $7 per square foot, ranging from $3 to $11 per square foot. Material alone costs $2–$8/sqft, with labor at approximately $1.5/sqft.
How much extra material should I buy for 400 sq ft?
For 400 square feet, purchase approximately 440 square feet of carpet material. This includes a 10% waste factor for cuts and mistakes (40 sq ft extra).
🧶 Carpet Cost by Room Size
Other Flooring Options for 400 Sq Ft
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Use our full interactive calculator for multi-room projects, custom pricing, and detailed breakdowns.
Open Flooring Calculator →Best-Selling Carpet — Budget, Mid-Range & Premium
The three products flooring pros recommend most, from budget-friendly to premium. Prices are material-only — installation is extra.
TrafficMaster
Allure Polyester Carpet
Cheapest wall-to-wall carpet worth buying. Stain-resistant, soft underfoot, wide color range. Won't last 20 years but fine for 5-10 in moderate traffic.
Shaw
CAESAR II Nylon
Shaw is America's #1 carpet brand. R2X stain and soil protection penetrates the fiber core. Nylon = more durable than polyester. 20+ year lifespan in normal use.
Mohawk
SmartStrand Silk
Softest carpet ever made (7000 denier fibers). SmartStrand = lifetime stain resistance built into the fiber, not sprayed on. Pet-proof warranty. 3x more durable than standard nylon.
Product recommendations based on expert reviews, sales volume, and contractor consensus (2026). Prices reflect national averages and may vary by location and promotions. We may earn a commission from qualifying purchases.
Pricing data from HomeGuide, Homewyse, HomeAdvisor, Angi, and FlooringClarity (2026 national averages). Actual costs vary by region, material grade, and project complexity.