Room Size Calculator

Enter room and furniture dimensions to check fit.

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How to Use This Calculator

  1. 1
    Measure your room
    Measure the length and width of your room in inches where you plan to place the furniture
  2. 2
    Enter furniture dimensions
    Input the length and depth of your desk or furniture piece
  3. 3
    Select clearance options
    Check boxes for additional space needs like chair, storage, or doorway clearance
  4. 4
    Check the fit
    Get instant feedback on whether your furniture will fit with proper clearance

Why Proper Clearance Matters

A desk that technically fits in a room may still create an uncomfortable or impractical workspace. Proper clearance ensures you can move freely, use your chair properly, and access storage without feeling cramped.

Common Space Planning Mistakes

  • Forgetting chair rollback space (24-36 inches)
  • Not accounting for drawer or cabinet clearance
  • Blocking doorways or traffic paths
  • Placing desk too close to walls for monitor viewing

Benefits of Adequate Clearance

  • Full range of motion for chair movement
  • Easy access to storage and peripherals
  • Comfortable distance from walls and obstacles
  • Room for future additions like standing desk converters
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Recommended Clearance Guidelines

Minimum space requirements for comfortable use

Area Minimum Recommended
Chair rollback 24" 36"
Side clearance 12" 18"
Behind monitor 3" 6"
Walkway/traffic 36" 48"
Doorway clearance 32" 36"

* All measurements in inches. Larger spaces improve comfort and accessibility.

Frequently Asked Questions

You need at least 24-36 inches of clearance behind your desk for comfortable chair rollback. This allows you to push back from the desk without hitting walls or furniture. For larger executive chairs, consider 36-42 inches.
A minimum of 70 square feet (7x10 feet) is recommended for a basic home office with a standard desk. For a more comfortable setup with additional furniture, aim for 100-150 square feet.
Measure the widest points of the furniture. For desks, measure the full width (front edge) and depth (front to back). Include any overhangs, keyboard trays extended, or monitor arms at full extension.
Yes, standing desk frames are often wider than the desktop. Check the base dimensions, which are typically 2-4 inches wider on each side. Also account for the motor housing depth on electric models.
Ensure at least 32-36 inches of clearance for standard doors to open fully. Consider the door swing direction - inward-swinging doors require more floor space inside the room.