Square footage calculator for rooms, tiles, paint & flooring.
Square Footage Calculator — Room Area, Tile, Hardwood & Paint Estimator
Calculate square footage with precision. The Square Footage Calculator is a fast, offline area calculator built for contractors, architects, real estate professionals, DIY homeowners, and anyone who needs exact room measurements, material quantities, and surface cost estimates — without ads, accounts, or tracking.
KEY FEATURES
Multi-Room Floor Plan Area
Add unlimited rooms, group them into a project, and get combined totals instantly. Supports rectangular, L-shaped, and irregular room layouts. Perfect for whole-house measurements, renovation planning, and property assessments.
Tile & Hardwood Box Estimator
Calculate how many tile boxes or hardwood planks you need before you buy. Includes cutting margins, waste buffers (customizable %), and exact material counts for ceramic, porcelain, vinyl, laminate, and solid hardwood flooring.
Paint Coverage & Surface Costing
Estimate paint gallons for walls and ceilings. Enter price per square foot, add a waste buffer, and get instant surface costs for flooring, painting, tiling, and more. Export results as PDF or CSV.
Built for Real Job Sites
• Works 100% offline — no internet required
• No ads, no accounts, no third-party SDKs
• Feet + inches or metric (m²) input
• Instant unit conversion (ft², m², yd², acres)
• Save calculations to History with search & filter
• Share text summaries via email, SMS, or messaging apps
• Dark mode by default for low-light environments
WHO IS IT FOR?
• Contractors estimating flooring, tile, or paint jobs
• Real estate agents and landlords measuring properties
• Architects and interior designers planning layouts
• DIY homeowners renovating a room or entire house
• Landscapers calculating sod, mulch, or paving areas
MULTILINGUAL & MULTI-CURRENCY
Available in English, French, Spanish, Arabic, and Chinese. Supports USD, CAD, EUR, CHF, FCFA, GBP, and more. Switch language, currency, or units anytime in Settings.
PRIVACY FIRST
Your measurements stay on your device. No data collection. No analytics. No cloud upload. The app works fully offline and never sends anything anywhere.
ABOUT KOCHI DIGITAL
Kochi Digital builds minimalist, high-performance mobile tools with zero trackers and maximum efficiency. Explore more construction and real estate calculators at kochidigital.com.
Download now and get accurate square footage, material counts, and cost estimates — anywhere, anytime.