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How to Calculate Your Corn Break-Even Price (And Why It Changes Everything)

GrainKit — Grain Marketing Tools for Midwest Farmers

Most corn farmers know their yield history. Most know roughly what their inputs cost. But when you ask them what price they need to break even on this year's crop, you get a pause — or a number pulled from memory that may be two years out of date.

That gap is expensive. If you don't know your break-even price, you can't make a rational marketing decision. You end up selling based on emotion, neighbor pressure, or whatever the elevator says the board is that morning. Sometimes you get lucky. Often, you don't.

What Is a Break-Even Price?

Your break-even price is the minimum price per bushel you need to receive in order to cover all your production costs on a given field or farm. It's the floor. Any sale above it is profit. Any sale below it is a loss — whether you realize it at the time or not.

It's not a target price. It's not the price you want. It's the price that tells you whether a given marketing decision is viable at all.

The Formula

That's it. Two numbers. The hard part is making sure each of those numbers is accurate — which means accounting for every real cost in your operation, not just the ones that show up on an invoice this spring.

A Real Example

At a $3.61 break-even, a December corn futures price of $4.10 gives you a potential margin of $0.49/bu — about $88/acre. That's the number you're actually marketing. At $3.50 futures you're already underwater, no matter how good the crop looks standing in the field.

Every Cost That Belongs in the Number

Where farmers go wrong is leaving out costs that feel "fixed" or "already paid." Every dollar you spend to raise a crop counts against your break-even, regardless of when the check clears. Include all of these:

• Seed — cost per bag ÷ acres planted per bag
• Fertilizer — nitrogen, phosphorus, potassium; lock in pre-pay costs even if you bought early
• Herbicides & pesticides — pre-emerge, post-emerge, fungicide if applicable
• Land rent — cash rent or imputed value for owned land (use your opportunity cost)
• Crop insurance — premium per acre
• Drying & hauling — if you're harvesting at 20%+ moisture, drying costs are real and large
• Equipment & fuel — either lease payment, depreciation, or custom-rate equivalent
• Interest — operating loan interest on inputs financed through spring
• Overhead — labor, shop, insurance, farm management fees

Forget one of these and your break-even looks better than it is. That false confidence is exactly how farmers sell corn at $3.80 on a $4.10 real break-even and wonder why the operation always comes up short.

For a full look at realistic 2026 cost ranges by category, see our Corn Cost Per Acre 2026 budget breakdown — or our Soybean Cost Per Acre 2026 budget breakdown if beans are your focus.

How Break-Even Price Drives Marketing Decisions

Once you have a solid break-even number, grain marketing decisions get much clearer:

When to sell cash grain: If the elevator cash price covers your break-even plus a profit target you're satisfied with, there's no reason to wait. Lock it in. Many farmers hold grain hoping for a higher price when they've already got a profitable sale in hand.

When to price forward: New-crop futures trading $0.60 over your break-even? That's a real margin, and hedging part of your expected production locks it in before a weather rally disappears. You don't have to price all of it — but pricing none of it when you have margin on the table is a choice, not a default.

When to store: Storage makes sense when current bids don't cover your break-even and you have reason to believe the market will improve. It does not make sense as a substitute for a marketing plan. Storing corn in hope is not a strategy — it's a prayer with drying costs attached.

The Most Common Mistake

The most common mistake isn't bad math. It's farmers who skip the math entirely. They sell when neighbors sell, or when the elevator calls with a "good" price, or when they need cash flow in February. Without a break-even calculation, there's no way to evaluate whether that price is actually good — good relative to what?

You would never plant a field without knowing what seed you're putting in. Don't market a crop without knowing what price you need to come out ahead.

Related reading: Soybean Break-Even Price · Grain Marketing Strategies for Corn Farmers · Cash Rent Analyzer