Corn Cost Per Acre Calculator

Corn cost per acre is the number that decides whether a season made money. Add up everything an acre cost to plant, spray, fuel, irrigate, and harvest, and you get the figure every other farm number is judged against. This calculator builds it two ways: from per-acre input costs if you budget that way, or from whole-farm totals if you track spending for the full operation. Add your expected yield and corn price and it carries the math all the way to profit per acre and your break-even price.

Note the distinction that matters: this page is about what it costs to grow corn on an acre (seed, fertilizer, chemicals, fuel). If you want what an acre of land costs to buy, that is a different calculation, covered by our cost per acre calculator.

Two ways to enter your costs

Farmers track spending two different ways, and the calculator accepts both. Per-acre mode is for budgets built per acre: enter what each input costs on one acre (seed $110, fertilizer $150, and so on) and the tool sums them into the cost per acre, then multiplies by your acreage for the whole-farm total. Whole-farm mode is for operations that track total bills: enter the farm-wide seed invoice, the farm-wide fertilizer bill, and the rest, and the tool divides the total by acres. Pick the tab that matches your records; both arrive at the same per-acre figure.

Worked example: $400 an acre, $590 of profit

Take 100 acres with per-acre input costs of $110 seed, $150 fertilizer, $25 herbicide, $20 insecticide, $35 fuel and labor, and $60 machinery, with nothing for irrigation or other. The tool sums them: 110 + 150 + 25 + 20 + 35 + 60 = $400.00 per acre, or $40,000.00 across the farm. Now add the profit strip: an expected yield of 180 bushels per acre at $5.50 per bushel gives revenue of 180 x 5.50 = $990.00 per acre. Profit is 990 – 400 = $590.00 per acre, $59,000.00 for the farm. The break-even corn price at that yield is 400 / 180 = $2.22 per bushel: sell above it and the acre makes money. Every figure here is exactly what the calculator returns for these inputs.

What belongs in each cost bucket

Seed is the per-acre seed bill, including trait premiums and seed treatment. Fertilizer covers nitrogen, phosphorus, potassium, and lime applied for the corn crop. Herbicide and insecticide are split because their economics differ: herbicide is near-certain spend, insecticide is often scouting-triggered. Fuel and labor covers diesel, hired hours, and your own time valued honestly. Irrigation is energy plus water costs where applicable; dryland growers enter zero. Machinery and equipment should reflect depreciation, repairs, and interest, not just this year’s repair bill, or the number flatters the enterprise. Other catches land rent, crop insurance, drying, storage, and soil testing, which the tool deliberately leaves out of the named buckets so they stay visible.

From cost per acre to profit

Cost per acre only matters against revenue per acre. Revenue is yield times price, both of which move: a 180-bushel yield at $5.50 is $990, but the same yield at $4.00 is $720, and profit falls from $590 to $320 an acre. That is why the profit strip shows the break-even price too. At $400 an acre and 180 bushels, $2.22 per bushel covers costs; everything above is margin. Run your low, expected, and optimistic yields through the tool before locking in input purchases, because input prices are set months before the corn price is known.

What competing calculators miss

The ranking tools each cover half the job. The itemized calculators take whole-farm totals and divide by acres, which is useless if your records are per-acre budgets from an extension worksheet. The simple converters take one total cost and one acreage figure, giving no itemization at all, so you cannot see which input is eating the margin. None of them carry the math forward to profit: no revenue, no per-acre profit, no break-even price. This calculator accepts both input conventions, itemizes eight cost buckets, and finishes with the profit strip, which is the number the season is actually judged on.

Frequently asked questions

How do I calculate corn cost per acre?
Add up every input cost for the corn enterprise and divide by acres planted. With per-acre budgets, the sum of the per-acre figures is already the cost per acre; with farm totals, divide the farm total by acres.

Should I enter per-acre or whole-farm costs?
Whichever matches your records. Extension budgets are usually quoted per acre; farm accounting usually tracks whole-farm invoices. The calculator has a tab for each and both give the same per-acre result.

What is a typical corn production cost per acre?
It varies widely by region, tillage, and input prices; recent US extension budgets commonly land in the low-to-mid hundreds of dollars per acre before land charges. Build it from your own input prices rather than borrowing someone else’s total.

Does this include land rent?
Not automatically. Add your cash rent or land charge under Other so the per-acre figure reflects the full economic cost of the enterprise.

How do I figure profit per acre?
Multiply expected yield by expected price for revenue per acre, then subtract cost per acre. Enter both in the profit strip and the tool computes revenue, profit per acre, whole-farm profit, and the break-even price.

What is the break-even corn price?
Cost per acre divided by yield per acre. At $400 an acre and 180 bushels, any price above $2.22 per bushel leaves a margin.

Is this the same as land cost per acre?
No. This page measures what it costs to grow corn on an acre. Land purchase price per acre is a separate calculation.