Project Guides
Plain-English guides that show how to plan a project, do the math, and buy the right amount of material — each one paired with the site’s free calculators.
How to Plan and Pour a Concrete Patio Slab
A concrete patio is a durable, low-maintenance project you can plan in an afternoon. This guide walks through sizing, thickness, base prep, and exactly how much concrete to order.
Read the guide →How Much Mulch Do I Need? A Bed-by-Bed Guide
Mulch suppresses weeds, holds moisture, and finishes a bed. This guide shows how to pick the right depth, measure your beds, and buy the correct amount in bags or bulk yards.
Read the guide →How to Estimate Paint for a Room
Buying the right amount of paint means one trip to the store and leftover for touch-ups. This guide walks through measuring walls, accounting for coats, and converting area to gallons.
Read the guide →How to Calculate Shingles for a Roof
Roofing is measured in squares and sold in bundles. This guide explains how to turn your roof footprint and pitch into an accurate shingle order — with waste built in.
Read the guide →How to Plan a Wood Fence: Posts, Pickets & Concrete
A wood fence is a straightforward build once you break it into posts, rails, and pickets. This guide covers layout, spacing, and the concrete you need to set every post.
Read the guide →How to Measure Square Footage for Any Project
Square footage is the starting number for almost every material estimate. This guide shows how to measure rectangles, triangles, circles, and irregular rooms — and convert between units.
Read the guide →How Much Concrete Do I Need for a 10×10 Slab?
A 10×10 ft slab at 4 in thick is 33.33 ft³ = 1.23 cubic yards. At 0.60 ft³ per 80-lb bag that is 56 bags before waste (62 with 10%). Use the Concrete Slab Calculator for your exact dimensions.
Read the guide →How Many Bags of Concrete Do I Need?
Bag count comes down to one formula: total volume ÷ bag yield. An 80-lb bag yields about 0.60 ft³, a 60-lb bag about 0.45 ft³, and a 40-lb bag about 0.30 ft³. Use the Concrete Bag Calculator to total bags for slabs, post holes and footings.
Read the guide →How Much Gravel Do I Need for a Driveway?
Gravel for a driveway is sold by the ton or cubic yard. A 50×12 ft driveway at 6 in deep needs about 12 cubic yards, or roughly 17 tons of crushed stone with a 10% waste allowance. Use the Gravel Driveway Calculator for your exact size.
Read the guide →How Many Boxes of Flooring Do I Need?
Flooring is sold by the box, and each box covers a set number of square feet printed on the label. Divide your room area plus waste by the coverage per box to get the box count. Use the Flooring Calculator for an exact number.
Read the guide →How Many Sheets of Drywall Do I Need?
Drywall count is wall and ceiling area ÷ the area of one sheet, plus waste. A standard 4×8 sheet covers 32 ft². Use the Drywall Calculator to total sheets for any room.
Read the guide →How Many Bundles of Shingles Do I Need?
Roofing is measured in squares (100 ft²) and sold in bundles — 3 bundles per square for standard shingles. A 1,200 ft² roof at 6/12 pitch needs about 45 bundles with waste. Use the Roofing Shingle Calculator for your exact roof.
Read the guide →How Much Sand Do I Need for Pavers?
A paver project needs two layers: a compacted gravel base and a 1 in bedding sand layer. A 10×12 ft patio needs about 0.4 cubic yards (roughly 0.6 tons) of bedding sand. Use the Sand Calculator for your exact area.
Read the guide →How Many Fence Posts Do I Need?
Post count is fence length ÷ post spacing, plus one — then add posts for corners, ends and gates. A 100 ft fence at 8 ft spacing needs 14 line posts. Use the Fence Post Calculator for your exact run.
Read the guide →How Much Topsoil Do I Need?
Topsoil is sold by the cubic yard or the bag. A 10×10 ft bed topped with 4 in of topsoil needs about 1.2 cubic yards, or roughly 1.7 tons. Use the Topsoil Calculator for your exact area and depth.
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