Roofing & Exterior Calculators
Replacing a roof is one of the most significant home improvement investments. Our roofing and exterior calculators help you estimate roof replacement costs by material, size, pitch, and labor. Designed for U.S. homeowners using real 2025 pricing data and industry-standard formulas.
Roofing & Exterior Frequently Asked Questions
How much does a new roof cost per square foot?
Asphalt shingles cost $5–$8 per sq ft installed. Metal roofing costs $9–$15 per sq ft. Clay/concrete tile costs $12–$22 per sq ft. Natural slate costs $15–$30 per sq ft. Use our Roof Replacement Cost Calculator for a personalized estimate.
How often should a roof be replaced?
Asphalt shingle roofs last 20–30 years. Metal roofs last 40–70 years. Tile and slate roofs can last 50–100+ years with proper maintenance. Climate, installation quality, and ventilation all affect lifespan.
What factors affect roof replacement cost?
Key factors include roof size (sq ft), material type, roof pitch (steeper = more expensive), number of stories, old roof removal, underlayment condition, location, and contractor rates.