Quick, free calculators for off-grid and high-desert living. No sign-up — just type in your numbers and get an instant estimate.
💧Off-Grid Water Calculator
How much water your household needs per day, month and year — plus the storage and tanks to keep.
Open calculator → 🔋Off-Grid Solar Calculator
Pick your appliances and estimate the solar panels and battery bank you'll need.
Open calculator → 🌧️Rainwater Catchment Calculator
How many gallons you can harvest off your roof — per storm, per inch, and per year.
Open calculator → 🪵Firewood Cord Calculator
Measure a wood stack to find how many cords you have, and how much a winter needs.
Open calculator → ← Back to Concho/St.Johns Dash