Quick, free calculators for everyday farm decisions — how much fertilizer to buy, how many plants to order, how to space your rows, and whether this season will turn a profit. No signup, works on any phone.
Work out how much fertilizer to buy based on your field size and the recommended application rate.
You need
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Application rates vary by crop, soil test results and fertilizer type — check your local extension recommendation for the exact rate to enter.
Find out how many plants (or how much seed) you need for your field, based on row and plant spacing.
You need
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This gives a theoretical maximum population — actual germination rate and thinning will reduce your final stand count somewhat.
Pick a crop for typical recommended spacing, or enter your own — see the resulting plant density per hectare and per acre.
Plant density
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Presets are general starting points — adjust for your specific variety, soil fertility and local recommendations.
Estimate your revenue, total costs and profit for a season, plus your profit margin.
Estimated profit
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Use consistent units throughout (e.g. all in kilograms, or all in bags) — the calculator doesn't convert between units for you.
We're building these next — check back, or download the app to get notified when they launch.
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