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Project measurement guides & calculators
Published: October 14, 2026
Some measurements only matter once you're mid-project — how high to mount the TV, how far apart to space railing posts, what size generator covers the whole house. These guides walk through the decision, and the calculators size it precisely.
Mounting & installation
How to mount a TV Height, stud location, and the exact mounting bracket height.
Read the guide → What size chandelier Diameter, height and hanging length for any room.
Read the guide → How much crown molding Linear feet, boards and corner cuts for crown molding.
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Outdoor structure
Deck railing height & code IRC height and baluster spacing rules that pass inspection.
Read the guide → Deck baluster spacing The 4-inch sphere rule, worked for common rail lengths.
Read the guide → Fence post spacing Post spacing, hole depth and concrete per hole.
Read the guide → Stair stringer length Rise, run and stringer math for safe stairs.
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Mechanical & utility
How to size a water heater First-hour rating and tank size for your household.
Read the guide → What size generator Running vs surge watts and the safe oversize margin.
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Household & comfort
Ceiling fan size by room Blade diameter and CFM that match room area.
Read the guide → How much is a cord of firewood What a full cord, face cord and bundle actually hold.
Read the guide → How big should a dining table be Seats, clearance and the room-size rule.
Read the guide →