Free Rug Size Calculator
Enter your room dimensions to instantly find the ideal rug size for living rooms, bedrooms, dining rooms, hallways & more. Supports ft, m, in & cm.
Select Your Room Type
Furniture Placement Style
Custom Room Dimensions
Enter your exact room size and border gap to get tailored rug recommendations.
Rug Size Calculator – Free, Accurate & Visual
Find the perfect rug size for any space in minutes. Our rug size calculator gives instant recommendations with a live visual, plus pro rules for living rooms, bedrooms, dining rooms, entryways, and halls. It also includes a rug pad size calculator, a rug size for dining table calculator, and automatic rug size calculator square feet output.
Premium Rug Size Calculator — Coming Soon
How to Use the Calculator (Quick Start)
- Pick a room type: Living, Bedroom, Dining, or Entry/Hallway.
- Enter measurements: Room size, furniture size, and the wall clearance you prefer.
- Tap “Recalculate”: The visual updates and a standard size is recommended.
- Save your result: Copy the text, download a PNG of the visual, or email it to yourself.
What does “Recalculate” do? It refreshes the results and redraws the visual with your latest inputs—handy after switching rooms/units or changing multiple fields quickly.
What Size Rug Calculator: Rules That Always Work
Living Room (What size rug for living room calculator)
Goal: anchor the seating area so everything feels connected.
- Front-legs-on (small/medium rooms): rug slightly wider than the sofa → often 6×9, 7×10, or 8×10.
- All-legs-on (bigger rooms): the whole seating group sits on the rug → 8×10, 9×12, or 10×14.
- From walls: keep 12–24 in (30–60 cm) of floor showing around the rug.
- Fast picks by sofa width (approx.):
- ≤ 72″ → 6×9
- 72–84″ → 7×10 or 8×10
- Sectional / large sofas → 9×12 or 10×14
Bedroom
- Rug reveal: aim for 18–24 in (45–60 cm) of rug around the bed for a comfy step-out.
- Typical sizes: Queen → 8×10 (or 6×9 if tight), King → 9×12.
- Budget option: two runners (2×7 or 2.5×8 each) on both sides.
Dining Room (Rug size for dining table calculator)
- Keep all chair legs on the rug when pulled out.
- Add 24 in (60 cm) beyond the tabletop on each side.
Quick dining chart
- 4 chairs (rect. table up to ~60″) → 6×9
- 6 chairs (~72″) → 8×10
- 8 chairs (~96″) → 9×12
- Round table 42–48″ → 8′ round
- Round table 54–60″ → 9′ round
Entry & Hallway
- Keep a 4–8 in (10–20 cm) border from walls.
- Common runners: 2×7, 2×8, 2.5×8, 2.5×10, 3×12.
How to Calculate Rug Size (Step-by-Step)
Use this if you like the math behind the tool.
- Measure your room: width (W) and length (L).
- Choose a border you want to see from each wall (e.g., 18 in).
- Target rug width = W − (2 × border).
- Target rug length = L − (2 × border).
- Pick the nearest standard size that’s equal or slightly larger than your target.
Example
Room: 12′ × 16′, border: 18 in (1.5 ft)
- Target width: 12 − (2 × 1.5) = 9 ft
- Target length: 16 − (2 × 1.5) = 13 ft → choose 9×12 or 10×14 (size up if furniture needs it)
This is exactly what the calculator does when you choose rug size for room calculator mode.
Rug Pad Size Calculator (Grip, Safety & Comfort)
- Make the pad 1″ shorter on all sides than the rug (subtract 2″ from rug width & length).
- Example: 8×10 rug → 7’10” × 9’10” pad (94″ × 118″).
- Trim a bit more (1.5–2″ per side) if doors or thick piles need extra clearance.
Pad types
- Felt + rubber: best balance of cushion + anti-slip.
- Rubber / mesh (PVC-free): thin, high grip for hard floors.
- Felt only: cushion under heavy furniture where slipping isn’t an issue.
Our calculator’s rug pad size output applies this rule automatically.
Rug Size Calculator Square Feet (Area & Ordering)
- Rectangle:
length × width = square feet- 8×10 → 80 sq ft
- 9×12 → 108 sq ft
- 6×9 → 54 sq ft
- Round:
π × (radius²)- 9′ round → radius 4.5′ → ~63.6 sq ft
The tool can show square feet for any recommended size—useful for budgeting, underlay, and cleaning quotes.
Standard Sizes You’ll Actually Find In-Stock
- Rectangle: 5×8, 6×9, 7×10, 8×10, 9×12, 10×14, 12×15
- Round: 6′, 7′, 8′, 9′, 10′, 11′, 12′
- Runner: 2×7, 2×8, 2.5×8, 2.5×10, 3×12
Choosing a standard size keeps costs down and delivery times short.
FAQs
How to calculate rug size quickly?
Measure room size, choose a wall border (12–24 in), factor in furniture layout, then choose the nearest standard size—size up if you’re between options.
What size rug for living room?
Most sofas look best on 8×10; go 9×12 for sectionals/open plans. Keep 12–24 in from walls and 8–12 in of rug beyond sofa sides.
How to calculate rug size based on room size only?
Subtract 2 × border from both room width and length; pick the closest standard. Example above shows a 12×16 room becoming a 9×12 or 10×14.
What about dining rooms?
Add 24 in beyond tabletop edges so chairs stay on the rug when pulled out. Use the rug size for dining table calculator for exact picks.
How do I size the pad?
Use the rug pad size calculator rule: pad about 1″ shorter on all sides than the rug.