Sofa Sizing Calculator
Find the perfect sofa size for your living room. Get recommendations based on your room dimensions and seating needs.
1. Enter Your Room Dimensions
Or start with a preset:
Room Too Small
Your room dimensions are too small for standard sofa sizes. Consider a loveseat or accent chairs instead.
The Ultimate Guide to Sofa Sizing
Choosing the right sofa size is crucial for both comfort and room flow. A sofa that's too large will overwhelm your space and make movement difficult, while one that's too small will look lost and fail to provide adequate seating. The key is finding the sweet spot that maximizes comfort while maintaining proper proportions and traffic flow.
Our calculator uses the 30-18 rule: leave at least 30 inches for main walkways and 18 inches from walls. This ensures your living room remains functional and feels spacious, even with a substantial sofa.
Sofa Types and When to Use Them
Loveseat (48"-72" wide)
Perfect for small apartments, cozy reading nooks, or as accent seating. Loveseats work well in rooms under 150 square feet where a full sofa would be overwhelming.
- Best for: Studio apartments, small living rooms, bedroom seating
- Seats: 2 people comfortably
- Room size: 8' × 10' minimum
Standard Sofa (72"-96" wide)
The most popular choice for living rooms. Provides comfortable seating for 3 people and fits well in most standard-sized rooms without overwhelming the space.
- Best for: Most living rooms, family rooms
- Seats: 3 people comfortably
- Room size: 12' × 15' minimum
Sectional (96"+ in total length)
Ideal for large families or those who love to entertain. Sectionals can define spaces in open floor plans and provide maximum seating without needing multiple pieces.
- Best for: Large living rooms, open floor plans, family rooms
- Seats: 5+ people
- Room size: 16' × 18' minimum
Common Sofa Sizing Mistakes
- Ignoring doorways: Always measure your doorways, stairwells, and hallways before purchasing. Many sofas can't make the journey to your living room!
- Forgetting about depth: A deep sofa might feel luxurious in the showroom but can eat up precious floor space in smaller rooms.
- Not considering other furniture: Your sofa needs to work with your coffee table, side tables, and other pieces. Plan the entire layout.
- Choosing style over size: That gorgeous sectional might not work in your space. Always prioritize proper fit over aesthetics.
Frequently Asked Questions
How much space should I leave around my sofa?
Leave at least 30 inches for main walkways and 18 inches from walls. This ensures comfortable movement around the room and prevents the space from feeling cramped.
What's the difference between a loveseat and a sofa?
A loveseat typically seats 2 people and is 48-72 inches wide, while a sofa seats 3 or more people and is 72+ inches wide. Loveseats are perfect for smaller spaces or as additional seating.
Should I choose a sectional or a regular sofa?
Sectionals work best in large, open spaces where you need maximum seating and want to define different areas. Regular sofas are more versatile and easier to rearrange if you like to change your layout.
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