Field guide 01
How to Calculate Roof Pitch Without a Pitch Gauge
Learn how to calculate roof pitch using a tape measure and level — no pitch gauge needed. Includes the formula and a free calculator.
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Construction Math, Explained Plainly.
Step-by-step guides for the measurements and material math you use on the job.
Construction Guides
Field guide 02
How Many Shingle Bundles Do I Need? (Simple Formula + Waste Factor)
Calculate exactly how many shingle bundles you need for any roof, including waste factor for hips, valleys, and cuts.
Read guideField guide 03
How to Calculate Sheathing Sheets for a Roof or Wall
Learn how to calculate the number of plywood or OSB sheathing sheets needed for a roof or wall, with waste factor included.
Read guideField guide 04
Stud Spacing 101: How to Calculate Studs Needed for a Wall
Learn how to calculate the number of studs needed for a wall based on length and spacing, plus plates and headers.
Read guideField guide 05
How Much Concrete Do I Need for a Footing? (Formula + Example)
Calculate concrete volume in cubic yards for a footing, slab, or round pour with this simple formula and worked example.
Read guideField guide 06
How to Calculate Stair Rise and Run (Code-Compliant Stringers)
Learn how to calculate stair rise, run, and stringer length for code-compliant residential stairs.
Read guideField guide 07
Deck Framing 101: How to Calculate Joist Spacing and Beam Size
Learn how joist spacing, span, and beam sizing work together for deck framing, with a worked example.
Read guideField guide 08
How to Calculate Electrical Load for a Room Addition
Learn the basics of calculating electrical load for a room addition, referenced to NEC standards.
Read guideField guide 09
Wire Size and Conduit Fill: A Plain-Language NEC Guide
Understand wire gauge selection and conduit fill percentage in plain language, referenced to NEC standards.
Read guideField guide 10
How Many Drainage Fixture Units (DFU) Does Your Plumbing Need?
Understand drainage fixture units (DFU) and how they determine drain pipe sizing, referenced to IPC standards.
Read guideField guide 11
How Much Drywall Do You Need? Sheet Count Formula Explained
Calculate drywall sheet count for any room based on wall and ceiling area, with waste factor included.
Read guideField guide 12
How to Calculate Insulation R-Value Needs by Climate Zone
Learn how to determine required insulation R-value by climate zone and check it against your cavity depth.
Read guideField guide 13
How Much Paint Do I Need? Coverage Calculator Math Explained
Calculate exactly how many gallons of paint you need based on wall area, coats, and product coverage rate.
Read guideField guide 14
Flooring Material Estimator: How to Calculate Square Footage + Waste
Learn how to calculate flooring material needs including the right waste factor for different layout patterns.
Read guideField guide 15
Free vs. Paid Construction Calculators: What You Actually Need on the Jobsite
A practical breakdown of what construction calculators should be free, and what's reasonable to pay for — using real jobsite needs, not marketing.
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From CrewMeasure
Practical jobsite topics, product context, and material-planning basics.
July 2026
How to Calculate Board Feet for Lumber
Learn the simple board-foot formula for estimating rough lumber, with a worked example for common framing and woodworking stock.
Read postJune 2026
How Many Bags of Concrete Do I Need for a Small Slab?
Estimate 60 lb or 80 lb concrete bags for a small slab, pad, step, or repair using a simple volume calculation.
Read postMay 2026
How Many Electrical Outlets Do I Need in a Room?
Understand general outlet spacing guidance for rooms, plus how to estimate wire footage and box counts before a rough-in.
Read postApril 2026
How Much Paint Do I Need for a Room?
Calculate paint gallons for a room using wall area, number of coats, and coverage per gallon, with adjustments for doors and windows.
Read postMarch 2026
How Many Studs Do I Need for a Wall?
Calculate stud count for a wall using length, spacing, corners, and openings — with a worked example and common mistakes to avoid.
Read postFebruary 2026
How Many Deck Boards Do I Need?
Estimate deck-board count from deck width, board width, and gap spacing before ordering materials.
Read postJanuary 2026
How to Calculate Baseboard Trim for a Room
Estimate baseboard trim in linear feet by measuring room perimeter and subtracting door openings.
Read postDecember 2025
How Much Caulk Do I Need for a Bathroom or Kitchen?
Estimate caulk tubes for a bathroom or kitchen by measuring joint length and checking bead size and tube coverage.
Read postNovember 2025
How to Measure a Room for Flooring Without Missing Waste
Measure a room for flooring, handle closets and irregular spaces, and apply an appropriate waste factor before buying boxes.
Read postOctober 2025
What Is CrewMeasure?
Learn what CrewMeasure is, who it is for, and how its free construction calculators help contractors plan materials on the jobsite.
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