ProBuilder: Fraction Calculator is a construction calculator built for builders, contractors, roofers, carpenters, siding installers and tradespeople who need fast, accurate jobsite math.
Work with fractions the way trades do — tap Quick mode for one-touch entry or switch to Manual mode for full mixed-number calculations. No converting decimals. No slowing down on the jobsite.
Measure roof pitch in real time using your phone's gravity sensor. Point it at any roof surface and instantly read pitch ratio, angle and grade — no separate tool needed.
Fraction calculator features:

*Quick fraction calculator for fast one-tap jobsite entry
*Manual fraction input for flexible mixed-number calculations
*Supports mixed numbers (e.g. 3 5/8 + 2 1/4)
*Fraction to decimal conversion built in
*Calculation history saved to your account
*Clean, simple interface built for daily construction use

Roof pitch calculator features:

*Live gravity sensor pitch detection
*Reads pitch ratio, degree angle and percent grade
*Manual rise and run input for layout work
*Instant results for roofing and framing

ProBuilder is built for:

*Roof pitch calculations
*Carpentry and framing measurements
*Siding and cladding layout
*Construction material calculations
*Fraction-based field measurements
*General construction math

Why tradespeople use ProBuilder:

*Save time on repetitive fraction calculations
*Reduce measurement errors on the jobsite
*Quick or manual entry depending on the task
*Fraction calculator and roof pitch tool in one app

ProBuilder: Fraction Calc gives you the jobsite math tools you actually need — fraction calculator, roof pitch calculator and mixed number support — in one simple, reliable app built for real construction work.