Free Homestead Calculators
Practical tools for backyard farmers, gardeners, and anyone building a more self-sufficient life. No sign-up, no nonsense.
Browse All Calculators ↓🐔 Poultry & Livestock
Chicken Feed Calculator
Calculate exactly how much feed your flock needs based on breed, age, and purpose — broilers, layers, or dual-purpose.
Egg Production Estimator
Estimate weekly and monthly egg yield based on your flock size, breed productivity, and seasonal factors.
Chicken Coop Size Calculator
Determine the minimum coop and run size needed for your flock — covers both standard and bantam breeds.
Livestock Water Calculator
Plan daily water needs for chickens, goats, sheep, cattle, and other homestead animals through every season.
🌿 Garden & Growing
Garden Yield Planner
Estimate how much food your vegetable garden can produce — plan planting quantities to match your family's needs.
Plant Spacing Calculator
Calculate exactly how many plants fit in your garden bed, with optimal spacing for 50+ common vegetables and herbs.
Fertilizer Calculator (NPK)
Mix the right NPK ratio for your soil and crops. Calculate application rates and avoid over-fertilizing.
Square Foot Gardening Planner
Plan your raised bed using the SFG method — plants per square foot for every crop, with printable layout guides.
Seed Starting Date Calculator
Get your indoor seed-starting and outdoor transplant dates based on your USDA Plant Hardiness Zone.
Frost Date Calculator
Find the average first and last frost dates for your zip code. Plan your growing season with confidence.
Compost Mix Ratio Calculator
Balance greens and browns for the perfect compost pile. Get the ideal C:N ratio for fast decomposition.
☀️ Water & Energy
Rainwater Harvest Calculator
Estimate how much rainwater you can collect from your roof. Size your storage tanks and plan your catchment system.
Solar Power System Calculator
Size an off-grid solar system for your homestead — panels, batteries, and inverter. Calculate payback period.
Greenhouse Heater BTU Calculator
Calculate the BTU output needed to keep your greenhouse warm through winter. Factor in glazing type and climate zone.
🍅 Food Preservation
📐 Homestead Planning
Fencing Material Calculator
Estimate posts, rails, wire, and gates needed for any fencing project. Supports multiple fence types and terrain.
Land Requirement Calculator
How much land do you need for chickens, a vegetable garden, and livestock? Estimate your minimum homestead acreage.
Self-Sufficiency Score
Rate your homestead's self-sufficiency across food, water, energy, and waste. Get actionable recommendations to improve.
Why Homestead Calculators?
Built by homesteaders, for homesteaders. No fluff, just practical tools that work.
Free, Always
Every calculator is completely free. No paywalls, no sign-ups, no email required. Just open and use.
Works on Any Device
Use our calculators on your phone out in the garden, on your tablet in the barn, or on your laptop at the desk.
Research-Backed Formulas
Our calculations are based on USDA extension data, university research, and real-world homesteading experience.
Latest Guides
In-depth articles to help you get the most from every calculator.
Chicken Feed Guide: How Much to Feed Your Flock
Breaking down feed requirements by breed, age, and purpose. Plus tips for reducing feed costs without sacrificing egg production.
Garden Yield Planning: How Much to Plant Per Person
How many tomato plants does a family of four need? A data-driven guide to planning your vegetable garden for maximum self-sufficiency.
Rainwater Harvesting 101: System Design & Sizing
Everything you need to know about collecting rainwater — roof catchment math, tank sizing, filtration, and local regulations.