Free overland tools engineered for where you're actually going. No fluff, no logins, no BS — just the data you need before the pavement ends.
Every tool built around the way overlanders actually think — fast inputs, real math, trail-ready results.
The smartest tire pressure calculator built for overlanders. Plug in your tire size, rig weight, terrain type, and real-time temperature — get front and rear PSI recommendations you can actually trust.
Fill in your trip details, route, contacts, and rig info. Generates a printable wallet card + full sheet to leave behind before you head into the backcountry.
Document your full rig build — mods, lift, tires, armor, lighting, camp gear and more. Upload your rig photo and generate a printable build sheet or shareable poster.
Plan fuel stops for remote routes where gas stations are 200 miles apart. Enter your range, fuel load, and route — know exactly where you need to fill up.
TrailPSI started at a tailgate with a tire gauge and a dead phone. We build tools that work when you need them — before the signal drops and the terrain gets serious.
Every calculator, every card, every tool on this site is free. No subscriptions, no accounts, no tracking. Just overlanders helping overlanders go further, safer.
We're just getting started. More tools are coming. Sign up below and you'll be first to know.
Get notified when new TrailPSI tools drop. No spam — just trail-ready updates when something worth knowing ships.