Garden & Outdoor
Garden & Outdoor Projects
Outdoor projects are bought by the bag, the yard and the linear foot, which makes them easy to over- or under-buy. Our garden and outdoor guides turn your measurements into exact quantities and explain when bulk delivery beats bagged.
Latest Garden Guides
Outdoor & Garden
How Many Fence Posts Do I Need? (Spacing, Corners & Gates)
A straight 100 ft fence needs 18 posts at 6 ft spacing or 14 posts at 8 ft. Here's the post formula, how corners and gates change the count, charts for common fence lengths and how much concrete to set them.
October 22, 20268 min read
Outdoor & Garden
How Much Deck Stain Do I Need? Gallons by Deck Size (Chart)
A 12x12 deck needs about 2 gallons of semi-transparent stain for two coats, and a 16x20 deck about 3. Here's the simple formula, a chart for common deck sizes, how railings change the number, and tips for rough wood.
October 22, 20267 min read
Outdoor & Garden
How Much Grass Seed Do I Need? (Chart by Grass Type and Lawn Size)
A new tall fescue lawn needs about 6 to 8 lb of seed per 1,000 sq ft, while overseeding takes roughly half. Here's a chart for every common grass type and lawn size, plus when to seed and how to get it to grow.
October 22, 20267 min read
Outdoor & Garden
How Much Soil for a Raised Bed? (4x8 Bed = 18 Bags)
A 4x8 raised bed filled 12 inches deep needs about 35 cubic feet of soil with a settling allowance: roughly 1.3 cubic yards or 18 bags of 2 cubic feet. Here's the formula, charts by bed size and depth, and the best mix.
October 22, 20268 min read
Outdoor & Garden
How Many Bags of Concrete for a 10x10 Slab? (4-Inch & 6-Inch)
A 10x10 slab poured 4 inches thick needs about 1.23 cubic yards of concrete, or about 62 80-lb bags with 10% extra. Here's the math, a chart for other slab sizes, and when ready-mix makes more sense.
October 21, 20265 min read
Outdoor & Garden
How Much Mulch Do I Need? Bags vs. Cubic Yards Chart
One cubic yard of mulch covers about 108 sq ft at 3 inches deep, or roughly 13 to 14 standard 2-cubic-foot bags. Use this chart to find how much mulch your beds need and whether bulk or bagged is cheaper.
October 21, 20265 min read
Garden Calculators
Free, instant estimates. No sign-up required.
Grass Seed Calculator
Pounds of grass seed for a new lawn or overseeding, by grass type.
Raised Bed Soil Calculator
Cubic feet, cubic yards and bags of soil for raised garden beds.
Mulch Calculator
Calculate bags or cubic yards of mulch for your landscaping.
Concrete Calculator
Estimate concrete volume needed for slabs, footings, and columns.
Fence Calculator
Calculate posts, rails, and pickets for your fence project.
Deck Stain Calculator
Calculate the amount of stain needed for your deck project.