Tradesman Pro is a completely free precision layout calculator built specifically for plumbers and pipefitters. Designed for job site efficiency, it handles standard and rolling offsets, triangle layout, and everyday feet-and-inch math — with full support for fractional inches and fitting take-offs.
Whether you're running a 22°, 45°, or 60° offset, rolling a bend around an obstruction, or just adding up a run off the tape, Tradesman Pro lets you work in feet, inches, or mixed fractions and see results instantly — with the full formula behind every answer.
THREE CALCULATORS IN ONE
OFFSET CALCULATOR
• Travel and Advance for 22°, 45°, and 60° bends
• Rolling offset calculations using rise and run
• Enter take-offs as one combined total, or separately for each fitting
• Live "converted to inches" and "offset minus take-off" readouts as you type
• Toggle results between inches and feet/inches
TRIANGLE CALCULATOR
• Right triangles and general triangles (SSS, SAS, ASA, AAS)
• Solve unknown sides and angles for custom angles and compound bends
• Interactive pinch-to-zoom diagram that redraws as you enter values
• Perimeter, area, and triangle type, plus heights, medians, angle bisectors, inradius and circumradius
FEET-INCH CALCULATOR
• Add, subtract, multiply and divide measurements directly — no converting to decimals first
• Dedicated Feet, Inch, and fraction keys, so you never need the text keyboard
• Running tape of every calculation, saved between sessions — tap any line to bring that answer back down
• Multiply two lengths for square footage, or three for cubic feet and cubic yards
• Divide a run into equal parts, or find how many times one length fits into another
BUILT FOR THE JOB SITE
• Fractional or decimal display, with rounding to 1/8", 1/16", or 1/32"
• Live updates as you type
• Tappable formula explanations for training and clarity — copy the full step-by-step breakdown into notes or a text
• Clean, high-contrast interface optimized for job site readability
• Full Dynamic Type support for larger text
• Works on iPhone and iPad
• Completely free — no ads, no subscriptions, no accounts, no paywalls
Whether you're laying out a job, double-checking your math, or teaching apprentices, Tradesman Pro makes it faster and easier to get the job right the first time.
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EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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