Free calculators for homesteaders, hunters, gardeners, preppers, and off-grid builders. No signup, no paywall — just answers.
Estimate daily, weekly, and monthly egg output by breed, age, and season.
ChickensCalculate minimum coop sqft, run space, nesting boxes, and roost bar length for your flock.
ChickensFind out exactly how many hens you need to hit your weekly egg goal, with surplus for selling.
PlanningEnter your set date and species to get lockdown date, hatch window, and full milestone schedule.
HatchingCalculate seed requirements, trays, and costs for your fodder system.
LivestockEstimate daily milk production and cheese/soap yield from your goats.
DairyFind the right number of goats for your acreage based on pasture quality and your goals.
PlanningCalculate daily feed, total bags, cost, and days to reach market weight for your pigs.
LivestockEstimate annual meat production, monthly feed cost, and space needed for your rabbit colony.
MeatCalculate daily hay needs, bales per month, and annual hay budget per horse.
HorsesEnter your livestock and storage duration to find how many bales and what barn footprint you need.
PlanningCalculate first-year chicken costs, break-even timeline, and true cost per dozen eggs produced.
BusinessFind your dog's daily calorie needs and feeding amounts by weight and activity level.
PetsEnter your breeding date to get estimated birth dates and milestone dates for any farm animal.
BreedingGet recommended bass, bluegill, catfish, and minnow counts for your farm pond size.
AquacultureCalculate tallow yield from raw fat and how many jars or candles you can make.
ProcessingSize your BSFL colony for waste processing and livestock feed production.
InsectsEstimate biochar output from wood input and soil amendment rates per acre.
SoilCalculate total hay cost per season, bales per day, and true cost per animal per month by bale type and animal weight.
FeedCalculate exact lye and water amounts for cold process and hot process soap by oil type, batch size, and superfat %.
ProcessingFind how many jars you need for any batch and get exact brine amounts for pickles, jams, tomatoes, and more.
PreservingHow much meat from a cow, pig, deer, or lamb? Get hanging weight, take-home lbs, cut breakdown, and freezer space.
ProcessingEstimate honey production per hive by colony strength, region, and number of supers.
ProductionCheck if your hive is ready to split, how many splits to make, and what each needs.
ManagementCalculate first-year equipment, bee, and supply costs — and when you'll break even on honey sales.
BusinessCalculate price per jar by size from extraction costs, labor, and desired margin.
SalesGet exact cubic feet, yards, bag counts, and component amounts for your beds.
GardenEnter your last frost date and get the exact indoor start date for every vegetable.
SeedsPlan how many plants fit in your raised bed using the SFG method.
PlanningBalance greens and browns to hit the ideal 30:1 carbon-to-nitrogen ratio.
CompostCalculate exact daily runtime in minutes for your drip emitters and water needs.
IrrigationFind the right greenhouse sqft for your plant list and get standard size recommendations.
PlanningCalculate pipe, plastic sheeting, wiggle wire, and total cost for any hoop house size.
BuildingGet today's major and minor hunting periods, moon phase, and solunar activity rating.
PlanningCalculate seed rates, fertilizer, lime, and cost per acre for any food plot species.
HabitatEstimate carrying capacity, herd size, and harvest recommendations for your property.
ManagementGet gobbling activity forecast, best calling distance, recommended call type, and setup tips.
PlanningFind the best fishing times for any date — solunar periods, activity rating, and 7-day outlook.
FishingCalculate smoking time, internal temp targets, and wood amount for any cut of meat.
ProcessingEstimate Boone & Crockett or Pope & Young score in the field from basic measurements.
ScoringEstimate fillet weight and meal servings from whole fish by species and size.
ProcessingFind the correct arrow spine for your draw weight, length, and point weight.
ArcheryGet optimal aging days for deer, elk, and other game by temperature and species.
ProcessingCalculate exactly how many firewood bundles you need for your camping trip.
CampingGet exact charcoal briquette counts for top and bottom at any target temperature.
Camp CookingCalculate exact salt and pink salt amounts by weight for safe bacon, ham, and charcuterie.
CharcuterieScore bull elk antlers with a full Boone & Crockett calculator — gross score, net score, and book qualification.
ScoringScore mule deer antlers using the B&C forked-tine method. Get gross score, net score, and trophy class rating.
ScoringScore Columbia and Sitka blacktail deer with correct B&C minimums for each subspecies.
ScoringCalculate panels, battery bank size, and charge controller amps for off-grid power.
PowerCalculate gallons per rain event, annual harvest, and recommended tank size for your roof area.
WaterFind exactly how many gallons, jugs, and barrels to store for your household.
PreppingCheck if your well GPM meets household and irrigation needs — with surplus or deficit calculation.
WaterCalculate calories, servings, and pantry quantities for any number of people and days.
PreppingCalculate runtime, fuel per hour, and cost for gas, propane, or diesel generators.
PowerGet post count, rails, concrete bags, and total material cost for any fence type.
BuildingFind the right BTU stove for your home size, insulation level, and climate zone.
HeatingCalculate how many cords of firewood you need to heat your home all winter.
HeatingFind out how many days you can boondock before your fresh, grey, or black tanks need service.
RV / Van LifeGet minimum tank size and drainfield area for your bedroom count and soil perc rate.
BuildingCalculate how long your propane tank will last by appliance. Get daily usage, days until empty, and annual cost.
FuelCalculate the full LDS recommended 1-year supply of grains, legumes, sugar, oil, and more.
Food StorageBuild a 3-month supply based on what your family actually eats — scaled to your weekly usage.
Food StorageGet a complete supply checklist for every person and pet for 72 hours of self-sufficiency.
EmergencyCalculate water, calories, gear, and total pack weight for bugging out by foot.
PlanningPlan no-refrigeration meals, cooking fuel, and pantry supplies for any grid-down duration.
PlanningCalculate water, food, power, and sanitation supplies for sheltering in place up to 3 months.
PlanningGet a Faraday cage sizing guide, device priority list, and readiness score for EMP preparedness.
PlanningSet profitable prices for farm products based on real costs, labor, and margins.
BusinessFind your true cost per dozen, monthly profit, and break-even price.
BusinessPrice your farm share competitively and see customer savings vs retail.
BusinessCalculate first-year chicken costs, break-even timeline, and true cost per dozen produced.
BusinessCalculate monthly payment, total interest, and amortization milestones for farm land financing.
FinanceEstimate annual farm property tax with and without agricultural exemption — and see your savings.
FinanceEstimate revenue protection guarantee, gross premium, USDA subsidy, and net producer cost.
FinanceGet year-by-year depreciation and book value using straight-line, DDB, or MACRS 7-year.
FinanceConvert any acreage to square feet, square yards, hectares, and football field equivalents.
ConversionConvert square footage to acres — supports sq ft, sq yards, or length × width input.
ConversionCalculate price per acre from total price, or total price from per-acre rate. Compare two properties.
ValuationCalculate stocking rate and carrying capacity based on grass type, rainfall, and grazing method.
StockingEstimate rural land value per acre based on type, region, water, road access, and utilities.
ValuationCalculate field coverage rate for tractors, mowers, sprayers, and implements. Find how long any job will take.
Field WorkCalculate stocking rate and total flock size based on pasture quality, grass type, rainfall, and grazing method.
StockingCompare total 30-year cost of renting vs buying with break-even year and net worth analysis.
BuyingCheck your rent-to-income ratio against the 30% rule and 50/30/20 budget with a green/red verdict.
RentingFind out how much house you can afford using the 28% and 36% DTI rules with full PITI breakdown.
BuyingCalculate every upfront cost to buy a home — closing costs, down payment, reserves, and first-year total.
BuyingFind out what deductions are legal, your refund amount, and your state's return deadline and penalties.
RentingEstimate early termination fees, months of rent owed, and whether your reason qualifies for a free break.
RentingCalculate cash-on-cash return, cap rate, GRM, and total ROI with appreciation over your hold period.
InvestingGet monthly and annual cash flow with full expense breakdown, 50% rule check, and 1% rule check.
InvestingCalculate NOI, cap rate, and property value at different cap rates for any rental property.
InvestingFind your current equity, LTV ratio, max HELOC amount, and project equity growth over time with appreciation.
EquityCalculate if refinancing makes sense. Find monthly savings, break-even month, and total lifetime savings vs your current loan.
Refinance