Outdoor Calculators

How many deck boards do I need? Free calculator for treated, cedar & composite boards — gives board count, linear feet, and waste factor.

Deck footing calculator: How many concrete piers for my deck? Free tool — gives footing count, post layout, and beam spacing.

How many railing posts and balusters do I need? Free deck railing calculator — gives post count, baluster total, and rail linear feet.

Deck stair calculator: How many steps and stringers? Free tool — enter deck height for step count, stringer quantity, and tread boards.

Post hole calculator — how much concrete for fence posts? Free tool for any hole size. Get exact bag count for 50 lb & 80 lb Quikrete bags.

Pond calculator — free tool for volume, liner size & pump capacity. Enter dimensions for rectangular, oval or kidney-shaped ponds instantly.

Fence calculator — how many posts, rails & pickets for your fence? Free fence material calculator for wood privacy fences. Get a complete material list instantly.

Fence post calculator — how many posts and bags of concrete? Free tool gives post count, concrete bags & gravel for any fence length.

Fence panel calculator — how many pre-made panels for your fence? Free tool for 6 ft & 8 ft panels. Get panel count, posts & post caps.

Picket fence calculator — how many pickets with custom spacing? Free tool for any picket width & gap. Get picket count, rails, posts & total board feet.

Free deck board spacing calculator — get even gaps between boards for any board width and deck length. Prevents buckling and water pooling.