Area Converter
Square feet → square yards · divide by 9
Why 9 square feet = 1 square yard
You need approximately
Square Yards
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Square Feet—
Formula—
Area Conversion Tool
Square Feet to Square Yards Calculator
Convert square feet to square yards (and sq yd to sq ft) instantly for concrete slabs, flooring, landscaping, roofing, and tiling — accurate construction area math with live results.
Quick answer
Divide square feet by 9 to get square yards, because 1 sq yd = 3 ft × 3 ft = 9 sq ft. Multiply square yards by 9 to go back.
Example: A 12 × 15 ft room = 180 sq ft ÷ 9 = 20 sq yd.
- Instant conversion
- Bid-ready math
- Mobile optimized
- Reverse conversion
Square Feet to Square Yards Formula
Square Yards = Square Feet ÷ 9
To convert in the other direction: Square Feet = Square Yards × 9.
Step-by-step
- Measure or calculate area in square feet (length × width when the shape is a rectangle).
- Divide that number by 9 to get square yards.
- Round up slightly when ordering materials if your supplier sells in whole units.
Example: a 30 ft × 40 ft slab = 1,200 sq ft. Divide by 9 → 133.33 square yards of area (not concrete volume — use our concrete calculator for thickness and cubic yards).
Common Conversions
Square feet to square yards reference for field estimates.
| Square Feet | Square Yards | Use case |
|---|---|---|
| 9 sq ft | 1.00 sq yd | One square yard exactly |
| 100 sq ft | 11.11 sq yd | Small patio section |
| 200 sq ft | 22.22 sq yd | Single-car pad section |
| 500 sq ft | 55.56 sq yd | Large room / bed |
| 1,000 sq ft | 111.11 sq yd | Small slab / turf area |
| 2,000 sq ft | 222.22 sq yd | Driveway / large flatwork |
When to Use This Converter
Concrete & flatwork: Compare slab footprint in sq yd before calling the plant — pair with concrete slab calculator for volume.
Landscaping: Turf, mulch beds, and gravel bases are often discussed in square feet on plans but ordered in yards or tons — see gravel and mulch calculators.
Flooring & tile: Carpet and flooring quotes may use square yards; convert plan dimensions from sq ft for apples-to-apples bids.
Roofing: Roof plan areas in sq ft convert to sq yd for membrane or material coverage checks alongside roof pitch tools.
Square Feet to Square Yards FAQ
How many square feet are in a square yard?
There are 9 square feet in one square yard (3 ft × 3 ft).
How do I convert square feet to square yards?
Divide square feet by 9. Example: 450 sq ft ÷ 9 = 50 sq yd.
Why divide by 9?
Area uses squared units. One yard is 3 feet, so one square yard = 3² = 9 square feet.
Is a square yard larger than a square foot?
Yes — one square yard is nine times the area of one square foot.
How do I convert square yards to square feet?
Multiply square yards by 9. On this square feet to square yards calculator, open the Sq Yd → Sq Ft tab or use #reverse.
How we built this calculator: results use the standard volume, area, and coverage formulas shown on this page, with typical U.S. material densities, bag yields, and waste factors that you can override. Written and checked by the YardsCalculator editorial team. Last reviewed: October 2026.
Last updated: October 17, 2026