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>log in to commentI built Agricalc to give farmers free, instant access to 134 science‑based calculators—no signup needed. It covers everything from seed rates to yield and financial tools, all expert‑verified. Let me know what works for you and what could be improved 😊
Agricalc offers free, offline PWA calculators for every stage of farming, from planting to finance.
- for
- Farmers, agronomists, agricultural students and advisors.
- pricing
- free
- license
- open source
Key features
- Planting calculators — Compute seed rates, spacing, population and planting costs per hectare.
- Fertilizer & soil tools — Determine nutrient requirements, lime, compost and soil health metrics.
- Irrigation design — Calculate water needs, pump capacity, flow rates and irrigation schedules.
- Livestock management — Estimate feed rations, milk production, mortality and profit per head.
- Farm finance suite — Run budget, ROI, break-even price and loan payment analyses.
- Multi-language PWA — Works offline on any device and supports three languages.
- Glossary & guides — Provides a 53-term agricultural glossary and 12 in-depth guides.
- No registration — All tools are free forever with no sign-up required.
Use cases
- Calculate seed rate and planting cost for a new corn field.
- Determine nitrogen application rate to meet a target yield.
- Design an irrigation schedule based on evapotranspiration data.
- Run a break-even price analysis to set crop selling targets.
- Estimate feed requirements and profit for a dairy herd.
Agricalc FAQ
How do I calculate the profitability of a break-even price?+
Enter total costs and expected yield; the tool computes revenue, net profit, profit margin and ROI using standard agricultural formulas.
What costs should be included in a break-even price budget?+
Include variable costs (seed, fertilizer, pesticides, fuel, labor, irrigation), fixed costs (land rent, depreciation, insurance) and opportunity costs such as own labor and capital.
How do market prices affect break-even decisions?+
Current prices influence planting acreage, input purchasing timing, marketing strategy and risk-management choices like hedging or forward contracts.
What ROI is considered good for farm investments?+
Farmers typically target a 10-20% return on total assets and 15-25% return on equity, with equipment payback periods of 3-7 years.
How can I improve my break-even price performance?+
Reduce input costs, increase yields, capture higher prices, manage risk and improve overall financial management.
Summarized by DevHunt from agricalc.online · Oct 2, 2026. Details may change; check the official site.
