Construction calculator guides, trade tips, and material estimation articles from Trussly.https://trussly-app.vercel.app/en-ushttps://trussly-app.vercel.app/blog/brick-calculator-how-many-bricks-per-square-foot/https://trussly-app.vercel.app/blog/brick-calculator-how-many-bricks-per-square-foot/Brick count per square foot for walls and pavers, mortar bags, waste, and the difference between veneer and structural walls.Fri, 10 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/fence-calculator-posts-rails-pickets/https://trussly-app.vercel.app/blog/fence-calculator-posts-rails-pickets/How to calculate fence materials from linear footage. Post spacing, rail count, picket count by gap width, and concrete per post hole. Wood privacy, picket, and chain link.Fri, 10 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/watts-to-amps-calculator-electrical-formulas/https://trussly-app.vercel.app/blog/watts-to-amps-calculator-electrical-formulas/How to convert watts to amps, amps to watts, and calculate circuit capacity. Single-phase and three-phase, with real jobsite examples.Fri, 10 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/concrete-footing-calculator-size-and-volume/https://trussly-app.vercel.app/blog/concrete-footing-calculator-size-and-volume/How to size and calculate concrete for footings: IRC Table R403.1 minimums, frost depth, continuous vs pier footings, and Sonotube volumes.Thu, 09 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/electrical-load-calculation-nec-article-220/https://trussly-app.vercel.app/blog/electrical-load-calculation-nec-article-220/How to calculate a dwelling's service load with the NEC 220 standard and optional methods: general lighting, small appliance circuits, fixed appliances, range, dryer, HVAC, and EV chargers.Thu, 09 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/gravel-calculator-how-much-gravel-do-i-need/https://trussly-app.vercel.app/blog/gravel-calculator-how-much-gravel-do-i-need/Cubic yard formula for gravel, tonnage conversion, depth by application, and compaction factors. Driveways, French drains, patios, and foundation base.Thu, 09 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/insulation-calculator-r-value-bags-batts/https://trussly-app.vercel.app/blog/insulation-calculator-r-value-bags-batts/How to calculate insulation by R-value target, bags for blown-in, batts for walls, and IRC climate zone requirements. Attic, walls, and crawlspace.Thu, 09 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/drywall-calculator-how-many-sheets/https://trussly-app.vercel.app/blog/drywall-calculator-how-many-sheets/Wall and ceiling square footage to sheet count, 4x8 vs 4x12 optimization, joint compound, tape, screws, and waste factors. The full drywall estimate.Wed, 08 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/retaining-wall-block-calculator/https://trussly-app.vercel.app/blog/retaining-wall-block-calculator/Block count, cap pieces, base gravel, backfill, and drainage for segmental retaining walls. Includes geogrid requirements by wall height.Wed, 08 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/slope-calculator-drainage-grade-percent/https://trussly-app.vercel.app/blog/slope-calculator-drainage-grade-percent/How to convert between percent grade, inches per foot, and ratio for drainage, sewer pipe, concrete flatwork, and yard grading. With code requirements.Wed, 08 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/how-to-calculate-tile-for-a-floor/https://trussly-app.vercel.app/blog/how-to-calculate-tile-for-a-floor/Square footage to tile count, waste factors by layout pattern, thinset coverage, and backer board math. Real tile estimation, not guesswork.Tue, 07 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/paint-coverage-calculator-how-much-paint-for-a-room/https://trussly-app.vercel.app/blog/paint-coverage-calculator-how-much-paint-for-a-room/Wall area formula, coverage rates per gallon, trim and ceiling math, and when one coat won't cut it. The full paint calculation.Tue, 07 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/duct-sizing-calculator-hvac-cfm-to-duct-size/https://trussly-app.vercel.app/blog/duct-sizing-calculator-hvac-cfm-to-duct-size/How to size ducts from CFM, the friction rate method, rectangular-to-round equivalents, and common residential branch sizes. With the actual tables.Mon, 06 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/mulch-calculator-cubic-yards-for-landscaping/https://trussly-app.vercel.app/blog/mulch-calculator-cubic-yards-for-landscaping/Cubic yard formula for mulch and topsoil, coverage per yard at different depths, bulk vs bag pricing, and how much a pickup truck actually holds.Mon, 06 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/board-feet-calculator-how-to-calculate-lumber/https://trussly-app.vercel.app/blog/board-feet-calculator-how-to-calculate-lumber/Board feet calculator formula with worked examples, a reference table for common lumber sizes, and when board feet matter vs linear feet.Sun, 05 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/conduit-fill-calculator-nec-chapter-9/https://trussly-app.vercel.app/blog/conduit-fill-calculator-nec-chapter-9/How to calculate conduit fill using NEC Chapter 9 Tables 1, 4, and 5. Fill percentages, usable area by conduit type, and a worked example.Sun, 05 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/deck-calculator-boards-joists-footings/https://trussly-app.vercel.app/blog/deck-calculator-boards-joists-footings/Calculate decking boards, joists, beams, and footings for any deck. Full material list for a 12x16 example with 5/4 vs 2x6 and spacing options.Sun, 05 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/how-to-calculate-concrete-for-a-slab/https://trussly-app.vercel.app/blog/how-to-calculate-concrete-for-a-slab/Step-by-step concrete slab calculation with the cubic yard formula, waste factors, and when bags beat ready-mix. Real math, no fluff.Sun, 05 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/stair-calculator-rise-run-stringer-layout/https://trussly-app.vercel.app/blog/stair-calculator-rise-run-stringer-layout/Stair calculator math for rise, run, and stringer layout. IRC R311.7 code limits, Pythagorean stringer length, and the mistakes that fail inspections.Sun, 05 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/voltage-drop-calculator-nec-formula/https://trussly-app.vercel.app/blog/voltage-drop-calculator-nec-formula/Voltage drop calculator formula from the NEC with worked examples, wire gauge data, and correction factors for single-phase and three-phase circuits.Sun, 05 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/construction-calculator-app-vs-construction-master-pro/https://trussly-app.vercel.app/blog/construction-calculator-app-vs-construction-master-pro/Side-by-side comparison of Trussly and Construction Master Pro calculator apps. Pricing, features, calculator count, and what each does better.Sat, 04 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/how-to-size-wire-for-a-circuit/https://trussly-app.vercel.app/blog/how-to-size-wire-for-a-circuit/NEC 310.16 ampacity explained, why NM cable uses the 60C column, the voltage drop formula, and when to upsize wire.Fri, 03 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/stud-count-calculator-how-many-studs-do-i-need/https://trussly-app.vercel.app/blog/stud-count-calculator-how-many-studs-do-i-need/Calculate wall studs for any layout. Spacing formula, corners, king and jack studs for openings, plates, and blocking. The full count.Thu, 02 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/how-to-calculate-roof-area-from-pitch/https://trussly-app.vercel.app/blog/how-to-calculate-roof-area-from-pitch/Pitch multiplier table, footprint-to-actual-area formula, and how to figure squares for roofing. Every roofer needs this math.Wed, 01 Apr 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/rebar-spacing-calculator-how-much-rebar-for-a-slab/https://trussly-app.vercel.app/blog/rebar-spacing-calculator-how-much-rebar-for-a-slab/Calculate rebar quantity for concrete slabs: bar count in both directions, bar weight, lap splices, placement, and what ACI 318 does and doesn't cover.Tue, 31 Mar 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/how-to-size-a-header-irc-table/https://trussly-app.vercel.app/blog/how-to-size-a-header-irc-table/How to read IRC Table R602.7(1) for exterior headers: building width, ground snow load, what the header supports, jack studs, and the footnotes that trip people up.Mon, 30 Mar 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/drain-pipe-sizing-ipc-dfu-table/https://trussly-app.vercel.app/blog/drain-pipe-sizing-ipc-dfu-table/How to size drain pipes with drainage fixture units from IPC Table 709.1 and pipe sizes from IPC Tables 710.1(1) and 710.1(2). Slope, toilets, and a worked example.Sun, 29 Mar 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/construction-calculator-no-subscription/https://trussly-app.vercel.app/blog/construction-calculator-no-subscription/Why a one-time price makes sense for a construction calculator app, what subscriptions cost over time, and what to look for in a trade calculator.Sat, 28 Mar 2026 00:00:00 GMThttps://trussly-app.vercel.app/blog/voice-input-construction-calculator/https://trussly-app.vercel.app/blog/voice-input-construction-calculator/How Trussly's voice input parses spoken dimensions, strips filler words, and handles fractions. Why it matters on a job site.Fri, 27 Mar 2026 00:00:00 GMT