Free farm calculators & tools
Hand-built calculators for the questions working farms actually ask — lambing dates, drug withdrawal, feed runway, sowing schedule. No signup required. Save the results to your account if you want them tracked over time.
- 🍼Livestock
Lambing & calving due-date calculator
Enter the mating date — get the expected birth date for sheep, goats, cattle, pigs, horses, rabbits, llamas, alpacas.
- 💊Livestock · Compliance
Medication withdrawal calculator
Pick the drug you administered — see the safe-to-ship date for meat and milk so you never sell under cooldown.
- 🌾Livestock · Planning
Feed days-remaining calculator
How many days of hay or grain do you have left? Plug in stock, herd size, and per-head intake — get a real number.
- 🌱Crops · Planning
Sowing-date back-calculator
Pick a target harvest date — we tell you when to start each crop based on its days-to-maturity.
- 🐄Livestock · Planning
Rotational grazing & stocking-rate calculator
Days of grazing, move-by date, and stocking-rate sanity check across cool/warm/native/arid forage types.
- 💰Crops · Decision
Profit-per-acre calculator
Estimate gross revenue, cost, and net profit for 19 common US crops — vegetables, field crops, and specialty.
- 🧾Reports · Compliance
IRS Schedule F (farm income) estimator
Enter income and deductions by category — get the Schedule F Line 34 net farm profit/loss in your browser.
More than calculators
Farm Planner is the app behind every tool here — a single source of truth for crops, livestock, equipment, and the calendar that ties them together. Tax summary for Schedule F, vet exports, withdrawal tracking, feed days-remaining alerts. Try it free for 30 days.
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