Tools

Planning tools

Calculators that show their working. Every default number links to its source, and you can change any of them to match your situation. Nothing you type leaves your device.

• Off-grid location finderRank U.S. counties and states by hazards, flooding, wildfire, sun, water, soil and growing season.
• Energy and solarAdd up what you use, then size solar panels and batteries to cover it.
• Cost of livingSee what still costs money off-grid, month by month.
• Land and gardenHow much land and garden row your household needs, and when fruit trees start bearing.
• Startup costBudget your land, water, power, food and tools from $0 to $500,000.