Outdoor
Patio Calculator
Calculate concrete needed for outdoor patios, including rectangular and irregular shapes. This calculator helps plan your outdoor living space with accurate material estimates.
Enter Your Measurements
Formula Used
Volume (cu ft) = Area × (Depth ÷ 12) Volume (cu yd) = Volume (cu ft) ÷ 27
Pro Tips
- •4-inch thickness is standard for patios
- •Create a slight slope for water drainage
- •Consider decorative finishes like stamping
- •Add control joints to prevent random cracking
Frequently Asked Questions
What is the best thickness for a concrete patio?
4 inches is standard for most patios. If you plan to place heavy items like hot tubs, consider 6 inches.
How do I calculate concrete for an irregular patio shape?
Break the area into rectangles, calculate each separately, and add them together. Add 10% for waste.