Construction math that keeps up with the jobsite.
Jobsite Calc is the no-nonsense calculator built for framers, remodelers, and tradespeople — unit conversion, fraction shop math, framing tools, and running cutlists, all in one app.
Built and maintained by Zuniga Labs.
Everything you need, none of the clutter.
Four tools, one app. Built to be fast enough to use one-handed with a pencil behind your ear.
Convert
Instant unit conversion between imperial and metric — feet, inches, fractions, and millimeters without the mental math.
Shop Math
Add, subtract, and combine fractions the way they actually show up on a tape measure — 3/8 + 1/4, done instantly.
Framing
Stud spacing, plate lengths, and layout math for walls and floors, calculated on the spot.
Cutlist
Build a running list of parts with quantity, length, width, and thickness — with live totals as you go.
Upgrade when you're ready for more.
Free to start, with a Pro tier for tradespeople who live in the app every day.
- ✓ Unlimited saved cutlists across jobs
- ✓ Advanced framing & layout tools
- ✓ Priority feature requests and support
- ✓ Early access to new calculators
Jobsite Calc Pro
One upgrade, unlocked everywhere you work.
Made by people who've stood on the jobsite too.
Zuniga Labs is a small app studio focused on building tools that solve real, everyday problems — starting with Jobsite Calc, built for the math that happens on-site, not at a desk.
No bloat, no accounts required to get started, no clutter. Just the calculators tradespeople actually reach for, built to be fast enough to use mid-cut.
Get Jobsite Calc
Available for iOS and Android. Tap below once your platform's store listing is live.
Questions, feedback, or feature requests?
We read every message — whether it's a bug report from the field or an idea for the next calculator to build.