Home Improvement guides
23 guides — practical answers with the math shown, each paired with a free calculator.
Home Improvement
How to Connect a Portable Generator to Your House
One decision picks your method: are you powering things, or powering circuits? Everything else follows from that, including whether you need an electrician at all.
August 26, 2026 · 14 min read
Home Improvement
How Much Grass Seed Do I Need? Rates by Grass Type
The rate for every grass type, the half rate for overseeding, and the seeding window that decides whether any of it works.
August 26, 2026 · 7 min read
Home Improvement
How Much Yeast Is in a Packet? Seven Grams, and Three Quarters of a Tablespoon
The teaspoon answer is everywhere. The tablespoon answer is the one people actually need, because a whole tablespoon is a third too much.
August 23, 2026 · 11 min read
Home Improvement
How Much Paint Do I Need? The Complete Room-by-Room Guide
A gallon covers about 350–400 sq ft — but the real number depends on coats, surface, and sheen. Here's how to get it right, with a room-size cheat sheet and the calculator to do the math for you.
August 14, 2026 · 7 min read
Home Improvement
How Many Deck Boards Do I Need? Rows, Gaps and the Fencepost
A six-inch board is three different widths, and the gap between boards is part of what they cover.
August 13, 2026 · 9 min read
Home Improvement
How Many Gallons Is My Pool? Average Depth and the Three-Part Floor
The mean of the shallow and deep ends is exact for one shape of floor, and most pools are not that shape.
August 13, 2026 · 9 min read
Home Improvement
How Many Pavers Do I Need? Pavers, Base, Bedding and Joint Sand
Four quantities come out of one measurement, and the paver count is the easy one — the base is where a patio is usually ordered short.
August 13, 2026 · 9 min read
Home Improvement
How Many Stairs Do I Need? Risers, Treads and the Code Edge
You do not choose the riser height. You choose how many, and the height is whatever the division hands back.
August 13, 2026 · 9 min read
Home Improvement
How Much Carpet Do I Need? Runs, Seams and the Roll Width
A 280 sq ft room takes 352.8 sq ft of carpet, and only 14 of those extra feet are the trim allowance.
August 13, 2026 · 9 min read
Home Improvement
How Much Insulation Do I Need? R-Value, Inches and Bags
The target is an R-value, the depth is inches, and the purchase is bags — and bags never come from the inches.
August 13, 2026 · 9 min read
Home Improvement
How Much Roofing Do I Need? Squares, Bundles and the Pitch Multiplier
The one material on a house where the area you measure and the area you buy are different numbers, and the arithmetic that separates them.
August 13, 2026 · 8 min read
Home Improvement
How Much Flooring Do I Need? Boxes, Waste & Room Math
Floor area is the easy part. Waste tiers, box coverage, and rounding up are where the order goes wrong.
August 13, 2026 · 7 min read
Home Improvement
Sod or Seed: Which One Your Site Will Actually Let You Use
The five site conditions that settle a lawn-establishment method before cost gets a vote, and how to compare the two orders once they do.
August 12, 2026 · 9 min read
Home Improvement
How Many Rolls of Wallpaper Do I Need? Pattern Repeat Math
The wall-area takeoff, the usable yield of a roll, and why the pattern repeat decides your order.
July 20, 2026 · 6 min read
Home Improvement
How Many Tiles Do I Need? Sizes, Waste & Boxes
The formula, the waste allowance that actually fits your layout, and how to turn a tile count into whole boxes.
July 20, 2026 · 7 min read
Home Improvement
How Much Drywall Do I Need? Sheets, Mud & Screws
The area formula with the standard opening deductions, the sheet-size trade-off, and the mud, tape and screw counts that go with it.
July 20, 2026 · 6 min read
Home Improvement
How Much Fencing Do I Need? Posts, Panels & Gates
One section count drives the whole bill of materials — posts, panels, gates, and the concrete nobody tallies before the store run.
July 20, 2026 · 7 min read
Home Improvement
What Size Air Conditioner Do I Need? BTU by Room Size
Floor area gives you the base number. Ceiling height, sun, bodies and a kitchen decide whether you buy that unit or the next one up.
July 20, 2026 · 7 min read
Home Improvement
How Much Gravel Do I Need? Driveways, Paths & Drainage
The volume formula, the tons conversion, and the right depth and stone for every job.
June 20, 2026 · 7 min read
Home Improvement
How Much Topsoil Do I Need? Lawns, Beds & Topdressing
The volume formula, the right depth for each job, and how topsoil differs from garden soil, compost, and fill dirt.
June 20, 2026 · 7 min read
Home Improvement
How Much Concrete Do I Need? Slab Math, Bag Counts, and When to Call the Truck
Yards and bag counts for real projects — patios, shed slabs, and deck piers — with the ordering math nobody tells you.
June 20, 2026 · 6 min read
Home Improvement
How Much Mulch Do I Need? Bed-by-Bed Math in Yards and Bags
Real numbers for straight beds, curved borders, and tree rings — plus which mulch to actually buy.
June 20, 2026 · 7 min read
Home Improvement
How to Pest-Proof Your Home Before Vacation
Cut off food, moisture, and entry points before you leave — so you come home to your house, not to ants, mice, or pantry moths.
June 16, 2026 · 7 min read