JobSiteCALCULATORS

Guides

The formulas, conversions and rules of thumb behind the calculators — written to actually answer the question, and grouped by the tool they support.

How Thick Should a Concrete Slab Be?

4 inches is standard for patios and walkways; driveways need 5–6 inches. A thickness chart by application.

How Much Does Concrete Cost Per Yard?

Ready-mix concrete runs about $125–$165 per cubic yard delivered, before short-load and other fees.

How Much Does a Concrete Driveway Cost?

A concrete driveway costs about $6–$18 per square foot installed — roughly $3,600–$10,800 for a typical two-car driveway. A cost breakdown by finish.

Concrete Cost Per Square Foot (Slab, 2026)

A concrete slab costs about $6–$15 per square foot installed — plain gray at the low end, stamped and colored higher. Cost by finish, thickness and project.

How Much Concrete Do You Need for a Sonotube?

A round column is a cylinder: volume = π × radius² × height. A 12-inch tube 4 ft tall takes about 6 × 80 lb bags.

How Much Concrete Do You Need for Stairs?

A solid poured flight is width × run × rise × [1+2+…+n] for n steps. A 4-step, 3 ft-wide flight takes about 0.6 cubic yards.

How Many Square Feet Does a Yard of Concrete Cover?

One cubic yard covers 81 ft² at 4 inches thick. Coverage depends entirely on slab thickness.

How Much Does Concrete Weigh Per Cubic Foot?

Standard concrete weighs about 150 lb per cubic foot — roughly 4,050 lb (about 2 tons) per cubic yard. Here's the weight by volume.

Concrete Footing Size Chart (Width & Thickness)

A footing size chart by number of stories and soil: strip footings run 12–23 inches wide and 6–10 inches thick. Sizing rules and code minimums.

How Much Is a Yard of Concrete?

A cubic yard of ready-mix concrete costs about $125–$165 delivered, covers 81 ft² at 4 inches thick, and equals 45 × 80 lb bags.

Concrete Estimate Template (Free, with a Sample Quote)

What a concrete estimate should include, a sample line-item quote for a slab, and a free tool to build and download a concrete estimate or quote as a PDF.

How Much Drywall Do I Need? (How to Estimate Sheets)

Add up wall and ceiling area, divide by the sheet size, and add 10% for waste. Here's how to figure drywall sheets for any room.

Drywall Installation Cost (Per Square Foot & Per Sheet)

Installed drywall costs about $1.50–$3.50 per square foot to hang, tape and finish — roughly $45–$60 per sheet. Costs by room and how pros bid.

Sheetrock vs Drywall: What's the Difference?

Sheetrock is a brand of drywall, not a different product. Drywall, gypsum board, wallboard and Sheetrock all mean the same gypsum panel.

Drywall Thickness Guide: 1/4, 3/8, 1/2 or 5/8 Inch?

Use 1/2 inch drywall for walls, 5/8 inch for ceilings and fire-rated assemblies, 3/8 inch for repairs, and 1/4 inch for curves.

Drywall Sheet Sizes (Dimensions, Weight & Price)

Drywall sheets are 4 feet wide and come in 8, 10 or 12 foot lengths. A 4×8 sheet is 32 ft², weighs ~50 lb, and costs about $12–$20.

How Much Joint Compound (Mud) Do I Need for Drywall?

Plan on about 4.5 gallons of joint compound and 370 feet of tape per 1,000 square feet of drywall for a standard taped finish.

How Many Screws Per Sheet of Drywall?

Plan on about 32 screws per 4×8 sheet on walls and 36+ on ceilings. Here's the spacing that drives the count.

Standard Wall Thickness (Interior & Exterior)

A standard interior wall is about 4.5 inches thick — 2×4 studs plus 1/2 inch drywall on each side. Exterior walls run 6.5 inches and up.

Drywall Estimate Template (Free, with a Sample Quote)

What a drywall estimate should include, a sample line-item quote by the sheet, and a free tool to build and download a drywall estimate or quote as a PDF.

How Much Concrete Do You Need Per Fence Post?

Plan for 1–2 bags of 50 lb fast-setting concrete per fence post, depending on hole size.

How Much Does a Fence Cost? (Per Foot, by Material)

A fence costs about $15–$60 per linear foot installed, depending on material. Wood runs $15–$45/ft, vinyl $25–$60, chain link $10–$25. Full price breakdown.

Vinyl Fence Cost (Per Foot & Installed, 2026)

Vinyl fencing costs about $25–$60 per linear foot installed — roughly $15–$30/ft in materials plus labor. Cost by style, height, and DIY vs. pro.

Standard Fence Height (and Local Height Limits)

Backyard fences are typically 6 ft and front-yard fences 3–4 ft. Most cities cap front fences at 4 ft and back/side at 6–8 ft. Check setback and code rules first.

How Many Fence Pickets Do I Need?

Pickets = fence length in inches ÷ (picket width + gap). A 100 ft solid fence of 5.5 in pickets needs ~218 boards. Board-on-board needs roughly double.

Fence Post Spacing (How Far Apart, Depth & Size)

Space fence posts 6–8 ft apart on center. Set them at least one-third of their length deep and below the frost line. Posts = sections + 1, plus gate and corner posts.

Types of Fences: Styles, Materials & Costs Compared

Compare wood, vinyl, chain link, aluminum and composite fences — plus privacy, picket, board-on-board and split-rail styles — by cost, privacy and maintenance.

Fence Estimate Template (Free, with a Sample Quote)

What a fence estimate should include, a sample line-item quote by the foot, and a free tool to build and download a fence estimate or quote as a PDF.

Vinyl vs Wood Fence: Cost, Maintenance & Lifespan

Compare vinyl and wood fencing on installed cost per foot, upkeep, lifespan and looks — with typical prices and a fence calculator to estimate posts, rails and pickets.

How Much Does It Cost to Build a House? (2026 Per Square Foot)

A new house costs roughly $150–$250 per square foot to build (materials + labor), so a 2,000 ft² home runs about $300,000–$500,000 before land. Here's how the number breaks down.

Construction Cost Per Square Foot Explained

Cost per square foot is total project cost divided by floor area. It's the fastest way to compare builds and bids — here's what drives it and typical ranges by project.

Material Cost vs. Labor Cost in Construction

Labor is usually 50–60% of a construction project and materials 40–50%, though it varies by trade. Here's how to split a budget and why the ratio matters.

How Much Does It Cost to Build a Garage?

A detached garage costs about $50–$90 per square foot, so a standard 2-car (~480 ft²) garage runs roughly $25,000–$45,000. Here's the breakdown by size and type.

How to Estimate a Construction Project (Step by Step)

Estimate a build by taking off quantities, pricing materials and labor, then adding overhead, profit and a contingency. A repeatable method for accurate numbers.

Remodel Estimate Template (Free, with a Sample Quote)

What a remodel estimate should include, a sample line-item quote, and a free tool to build and download a remodeling estimate or quote as a PDF.

Home Renovation Estimate Template (Free, with a Sample Quote)

What a home renovation estimate should include, a sample whole-house budget by room, and a free tool to build and download a renovation estimate or quote as a PDF.