Tools & Calculators
Free, easy-to-use calculators and planning tools to help you design sustainable, regenerative systems for your property.
Rainwater Harvesting Calculator
Calculate water collection potential for pond-based rainwater harvesting systems. Includes multiple water sources and overflow analysis.
- Pond geometry calculations
- Multiple water sources (roofs, landscapes)
- Runoff coefficients by surface type
- Overflow detection & warnings
Solar Energy Calculator
Estimate solar energy potential for your property based on location, roof area, and energy consumption.
- Solar panel sizing
- Energy production estimates
- ROI calculations
- Battery storage recommendations
Composting Calculator
Calculate composting needs and carbon-nitrogen ratios for optimal compost production from available materials.
- C:N ratio calculator
- Volume & quantity planning
- Material mixing recommendations
- Timeframe estimates
Growing Space Calculator
Plan garden beds and growing areas based on crop requirements, spacing, and desired yields.
- Crop spacing calculations
- Yield estimates
- Succession planting plans
- Companion planting suggestions
Greywater System Calculator
Design greywater recycling systems for residential use, including filtration and irrigation requirements.
- Daily greywater production
- System sizing
- Filtration requirements
- Irrigation area calculations
Carbon Footprint Calculator
Calculate carbon sequestration potential of your land and track your property's climate impact over time.
- Carbon sequestration estimates
- Tree planting impact
- Soil carbon tracking
- Emissions offsetting
About These Tools
Our Tools & Calculators are designed to help you make informed decisions about sustainable land management, water conservation, energy production, and ecological design.
All tools are completely free to use, require no login, and perform calculations instantly in your browser. Your data is never stored on our servers.
Have a suggestion for a new tool? We're always looking to add more useful calculators and planning aids. Contact us with your ideas!