01 / CALCULATE
Use the units you work in.
Add feet and inches, work with fractions, convert metric measurements and reuse earlier results. Keep everyday math close at hand.
For iPhone & iPad
Good work starts
with clear math.
Feet, fractions and field calculations. Keep the measurements, photos and notes for your next job in one place.
$4.99One purchase.
No subscription. No ads.
See what’s included No subscription. No ads.
Coming soon to the App Store · U.S. launch price
32 construction toolsFeet, fractions & metricWorks offlineYour work stays on your device
From the first measurement to the job sheet
A practical toolbelt.
Already in your pocket.
02 / LAY OUT
See what each number means.
Work through spacing, stairs, rafters, board feet and material quantities. Tap a measurement label to highlight its reference on the schematic.
03 / KEEP IT TOGETHER
Save the context with the answer.
Organize calculations in job folders. Add notes and photos, prepare cut lists and estimates, and export PDFs when it’s time to share.
Remember exactly what you measured
The number.
The photo.
The whole job.
Add arrows, place measurement labels and write a caption. Keep the original image so your markup stays editable.
- Choose a label from your calculation or type your own.
- Move or edit marks after saving.
- Include marked photos in PDF job sheets.
- Back up saved work and attached photos together.
Photos are references. TradeCalc does not infer distances from an image.
Learn it on a real example.
Tap a Field Guide example to open the matching tool with its values filled in. Change a measurement and see how the result changes.
Built for everyday construction math.
Requires iOS or iPadOS 17 or later. Verify site measurements, construction details and saw settings for your project. TradeCalc calculates from your inputs; it does not certify structural capacity or building-code compliance.