Footing: Construction Calc

Footing is the modern toolkit for carpenters, framers, and small contractors. Calculate, track jobs, generate professional quotes — all in one app.

Try Pro free for 7 days. Then buy once for $19.99 — yours forever. We will never charge a subscription.

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NATIVE FEET-INCH-FRACTIONS

Type 5'-6 1/2" the way it's spoken on the job site. No decimal feet, no rounding errors. Every fraction is preserved exactly through addition, subtraction, multiplication, and conversion.

EDITABLE HISTORY

Tap any past line to reuse the result. Edit a number — every line that depended on it recalculates automatically. Stop redoing math.

5 PROFESSIONAL CARDS

• Roof Pitch — rise/run → pitch ratio + degrees + rafter length • Wall Area — length × height − openings → square footage + paint gallons • Concrete Volume — l × w × d → cubic yards + 60lb/80lb bag count • Stair Stringer — total rise/run/count → riser height + tread + IRC code check • Mortar Mix — cement-to-sand ratio → bag count + sand volume

JOBS + QUOTE BUILDER

Organize calculations by project. Track materials. Generate professional Quote PDFs with markup, labor, tax, and your company branding. Email straight to your customer.

ON YOUR WRIST + LOCK SCREEN

Apple Watch app for jobsite entry. Lock Screen Widget shows your latest calculation. Live Activity for concrete cure timers.

PRIVACY-FIRST

100% offline. iCloud sync optional. Footing never collects your data.

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7-DAY FREE TRIAL · NO SUBSCRIPTIONS · NO ADS · PAY ONCE

Footing is free to download. The first 7 days unlock everything (no card required). After that, the Calc tab stays free forever, and Pro features (cards, jobs, quote PDFs, Watch, Widget) unlock with a single $19.99 purchase. You own this app forever. Future updates included.