Square Footage Calculator
Calculate the total area of one or more rectangular rooms. Ideal for flooring orders, paint planning, heating estimates and material takeoffs. Every room can be labeled so your measurements stay organized.
Square Footage Calculator
Measurement & Planning
Add a row per room. Use the same unit system for all rooms.
Total area
192ft²
Total area
17.84m²
Calculation breakdown
- 1Living room:
17.84 m² · 192 ft²
- Areas shown in both unit systems regardless of the active system.
For each room: Area = Length × Width.
Total area is the sum of all room areas. Conversions use exact international factors: 1 ft = 0.3048 m, so 1 ft² = 0.09290304 m².