Free · No login · Works offline

Essential tools for vanlife & motorhomes.

Five practical calculators to plan your build, your trips, and your off-grid stays. Pick a country and the units adapt automatically.

The toolkit

Tap a tool to start. Your inputs are saved on this device.

Size your leisure battery and solar setup. Daily power, runtime, and recharge time.

How long does your fresh tank last? Plan refills based on real daily usage.

Trip fuel cost from MPG or L/100km. Cost per mile and annual estimates.

Stay legal. Add up passengers and gear vs. GVW with overweight warnings.

Combine power and water to find how many days you can wild camp.

Every tool calculates as you type. No submit buttons, no reloads.

Switch between miles/km, litres/gallons, kg/lb. Currency follows your country.

Mobile-first, fast, and lightweight — works fine on patchy 3G.