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Calculation of wall, floor, ceiling, and opening areas


Choose room shape




Welcome to our online Room Surface Calculator—your reliable tool for quick and highly accurate computation of internal wall, ceiling, and floor areas. Ideal for design, finishing, and cost estimation, this calculator also allows for the inclusion of door and window openings in your measurements.

Features of the Calculator:

  • Supports 6 different room shapes, including rectangular, trapezoidal, and attic configurations.
  • Capable of accounting for up to 7 door and window openings with individual dimensions.
  • Instant calculation of wall, floor, ceiling, and opening areas using all specified parameters.
  • User-friendly online interface that’s simple to navigate.

How to Use:

  1. Select the shape of your room from the available options.
  2. Enter the geometric dimensions of your room (refer to the attached diagram).
  3. Specify the number of door and window openings.
  4. Input the dimensions for each opening (L1, B1, L2, B2, etc.).
  5. Click the "Calculate" button to view your results.

Notes:

  • In the illustrations, the ceiling is highlighted in blue.
  • By default, the calculations for wall, ceiling, and floor areas are performed without subtracting the openings.
  • For precise results, ensure that all room and opening dimensions are entered correctly.
  • Room shapes 2, 3, and 5 are typical for attic spaces and complex architectural designs.

This online Room Surface Calculator is an indispensable tool for builders, designers, and DIY enthusiasts, streamlining material planning and optimizing project costs.

Advantages of Using the Calculator:

  • Saves time compared to manual calculations.
  • Reduces the risk of errors in measuring wall, floor, and ceiling areas.
  • Accessible online anywhere with an internet connection.

Try our Room Surface Calculator now and experience the convenience and efficiency for your construction and design projects!