Find the minimum price per bushel and minimum yield per acre needed to cover your cost of production. Enter your costs once — get break-even price, break-even yield, and a 25-cell price × yield sensitivity table showing profit or loss at every combination. Save up to 4 named scenarios side-by-side. Includes a diminishing-returns calculator that finds the economically optimal nitrogen rate and graphs the yield response curve.
Find the minimum price per bushel and minimum yield per acre needed to cover your cost of production. Enter costs once — get break-even price, break-even yield, net return, and a price-yield sensitivity table.
Enter cost, yield, and price — get break-even price, break-even yield, net return, and a sensitivity table. Save up to 4 named scenarios for side-by-side comparison.
Break-even price · break-even yield · net return · price-yield sensitivity
Enter your crop, yield, price, and cost of production — then press Calculate to see your break-even price, break-even yield, net return, and sensitivity table.
📊 Related calculators: Cash Rent — once you know break-even price, find the max rent you can afford per acre. | Crop Yield — project bushels and gross revenue for your expected yield. | Grain Drydown — calculate net bushels after drying cost before finalizing your break-even.
Find the fertilizer rate that maximizes profit, not just yield — where the last dollar of input stops paying for itself.
As you add more of an input like nitrogen, yield rises — but each added unit returns less than the one before (the law of diminishing returns). This tool fits a quadratic response curve from three numbers you already know, then overlays your input cost and crop price to find three points: the agronomic maximum (peak yield), the economic optimum (maximum profit — always at a lower rate than peak yield), and the break-even rate (where added input stops paying at all). The method is shown for nitrogen but works for any yield-driving input — just enter that input's cost and units.
The input you are optimizing. Nitrogen is the classic case.
Units it is priced and applied in — e.g. lb N/acre, or kg N/ha.
What the field yields with none of this input — corn living on residual soil N. If unsure, use ~55–65% of your normal yield (see note below).
The most the field can yield when this input is not the limiting factor — usually a bit above your best real yield. If unsure, use your top yield plus ~5%.
How much input it takes to reach that top yield — the point where more stops adding yield. A common starting point: your normal rate, or ~1.1 lb N per bushel of goal yield.
Price per unit of the input — e.g. $0.60 per lb of N.
Price per unit of crop — e.g. $4.50 per bushel. Pulled from the break-even box above if set.
Most growers do not have zero-nitrogen trial data, and that is fine — good estimates work. For yield at zero input, research on corn suggests a field returns roughly 55–65% of its full yield on residual soil nitrogen alone, so if you normally make 200 bu, start around 110–130. For maximum achievable yield, take your best realistic yield on that field and add about 5%. For input rate at max yield, your current normal rate is a reasonable stand-in, or use about 1.1 lb of N per bushel of your yield goal. These are starting points — adjust toward your own records or your local extension’s nitrogen-rate trials, and re-run to see how the optimum shifts.
Enter your yield response and prices, then press Calculate to see your profit-maximizing input rate and response curve.
Break-even analysis answers two questions every farmer needs before planting: what price do I need to cover my costs at this yield, and what yield do I need to cover my costs at this price? Both questions matter — because in any given year, price or yield (or both) will disappoint expectations.
This calculator builds a full enterprise budget — enter your cost of production per acre (either as a single total or itemized line by line) and your expected yield and price. The 5×5 sensitivity table then shows net return across 25 combinations of prices and yields around your base case, so you can see exactly how much price or yield risk you're carrying.
Use the Crop Yield Calculator to estimate gross revenue, and the Cash Rent Calculator alongside this tool to factor land cost into your break-even analysis.
Break-even price is the minimum commodity price (per bushel, per CWT, etc.) a farmer needs to receive to cover all costs of producing a crop — seed, fertilizer, chemicals, fuel, labor, land rent, equipment, and overhead. If the market price is above break-even, the crop is profitable. If below, it results in a loss. Farmers calculate break-even before planting season to decide whether to plant, hedge with futures contracts, or lock in forward contracts. It's the most fundamental number in crop farm financial planning.
It is the input rate beyond which each additional unit of fertilizer returns less added yield than the unit before it. In profit terms, the meaningful point is the economic optimum — the rate where the last dollar spent on the input returns exactly one dollar of extra crop value. Adding input past that point still raises yield slightly but no longer pays for itself.
Fit a yield response curve to your field (yield at zero nitrogen, your maximum achievable yield, and the rate where yield plateaus), then set the marginal cost of nitrogen equal to the marginal value of the extra yield it produces. This calculator does that for you: enter those three yield figures plus your nitrogen cost and crop price, and it returns the profit-maximizing rate — which is almost always below the rate that maximizes yield.
Because yield gains shrink as you add more input while the cost of each added unit stays the same. Near the yield peak you are paying full price for tiny yield gains, so profit peaks earlier than yield. Running at the economic optimum instead of chasing maximum yield typically saves input cost and raises net return per acre.
It uses a quadratic yield response function fit from three points you supply. This is the same form used in most university extension nitrogen-rate economics, and it produces a clean profit-maximizing rate. It works for any yield-driving input — nitrogen, seed, phosphorus, or irrigation — by entering that input’s cost and units.
No. More fertilizer usually increases yield up to a plateau, but profit peaks earlier and then falls as input cost outruns the shrinking yield gains. The calculator shows the rate where profit is maximized and, when it occurs within the usable range, the rate where added input has given back all the profit it earned.