Handy tools

Quick calculators and guides for everyday farm jobs. They work on a phone, don't need an account and nothing you type is stored.

Farm unit converter

Acres ↔ hectares, lb ↔ kg, $/cwt ↔ c/kg, spray and fertilizer rates, gallons ↔ liters, hp ↔ kW, °F ↔ °C.

9 converters
Feed budget calculator

How much hay, baleage or grain your herd needs for the days ahead - in tons, bales and dollars.

Tons, bales a day, cost per head per day
Feed cost comparer

Compare up to four feeds on a fair basis: cost per ton of dry matter and per pound of TDN (energy).

Cheapest feed first
Seeding rate calculator

Seeding rate in lb per acre (or kg/ha) from the plants per acre you want, seeds per pound, germination and stand establishment.

lb/ac, seed and bags to order
Fertilizer calculator

Tons, bags and spreader loads for a field - and the lb of N, P₂O₅ and K₂O per acre you put on, from the grade on the bag.

Bags, loads, lb N-P-K/ac
Spray tank mix calculator

Tank loads and how much of each product goes in every tank, from your area, water rate, tank size and label rates.

Mixing sheet per tank
Fuel use calculator

Gallons per acre and per hour from a job you did - then the fuel, tank fills, hours and cost for the next job. Metric too.

gal/ac, gal/h, tank fills
Grazing rotation planner

How long each paddock feeds your herd, how much rest your pastures get, animal units and AUD per acre - in acres and pounds.

Days per paddock, rest, AU
Livestock sale value calculator

Turn a $/cwt bid into dollars per head and in total - live or dressed - and see what you keep after costs.

Per head, total, net $/cwt
Grain bin & silo capacity

How many bushels a round grain bin holds - hopper and peak included - and how much is in it now from the grain depth.

Bushels and tons, full and now
Water tank & pond calculator

Gallons in a round tank, a stock tank or trough, or a farm pond - full and now, acre-feet for ponds - and how many days it lasts at your daily use.

Gallons, % full, days left
Rain gauge diary

Log each rain gauge reading and see the last 7 days, this month, this year and a 12-month chart. Saved on your own device.

Totals, chart, CSV download
Fencing calculator

Posts, wire and rolls for a pasture or a straight fence line, plus the pasture area.

Posts, wire, rolls, area
Marking & weaning % calculator

Scanning, lamb marking or calf branding and weaning % from your own yard counts - and where the young were lost.

Marking %, weaning %, losses
Livestock due date calculator

Calving, lambing, kidding, farrowing and foaling dates from the mating or joining date.

Due date + calendar reminder
Crop break-even calculator

Break-even price per bushel and break-even yield per acre for corn, soybeans, wheat and other grain from your own costs - plus net per acre, the price you need for a profit and a what-if grid.

Break-even $/bu and bu/ac, what-if grid
Cash rent & flexible lease calculator

This year’s rent under a flexible cash lease - base rent plus bonus, a share of gross revenue or a yield and price index, with a floor and cap - compared with a fixed cash rent for the landowner and the tenant.

Rent $/ac, vs fixed, tenant net, what-if grids
Farm storm & disaster plan

Tick-off plans for hurricanes, tornadoes, winter storms, floods, wildfires and heat - before the season, at the watch, at the warning and after - plus a farm emergency card to print.

6 risks, 4 stages, emergency card
Farm words glossary

Plain explanations of farm and sale words - and what they are called in our other countries.

Words A–Z

Estimates, not advice. The tools use your own numbers and general figures. Check with your vet, agronomist, supplier or contractor before you buy or plan. Missing a tool you'd use? Tell us.

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