🌽 Corn Yield Per Acre Calculator
Estimate your corn harvest in bushels per acre using field measurements & plant data
| Plants/Acre | Ears/Plant | Kernels/Ear (avg) | Est. Yield (bu/ac) | Metric (t/ha) |
|---|---|---|---|---|
| 24,000 | 1.0 | 560 | ~130–145 | 8.2–9.1 |
| 28,000 | 1.0 | 600 | ~150–165 | 9.4–10.4 |
| 30,000 | 1.0 | 630 | ~160–178 | 10.1–11.2 |
| 32,000 | 1.0 | 650 | ~170–190 | 10.7–11.9 |
| 34,000 | 1.05 | 670 | ~185–205 | 11.6–12.9 |
| 36,000 | 1.1 | 690 | ~200–225 | 12.6–14.1 |
| 38,000 | 1.1 | 700 | ~210–235 | 13.2–14.8 |
| 40,000 | 1.0 | 680 | ~205–228 | 12.9–14.3 |
| Kernel Size | Kernels/Bushel | Lbs/1000 Kernels | Impact on Yield |
|---|---|---|---|
| Very Large | 75,000 | 0.747 | +6–8% vs avg |
| Large | 80,000 | 0.700 | +3–5% vs avg |
| Above Average | 85,000 | 0.659 | +1–3% vs avg |
| Average | 90,000 | 0.622 | Baseline |
| Below Average | 95,000 | 0.589 | –3–5% vs avg |
| Small | 100,000 | 0.560 | –6–8% vs avg |
| Very Small | 105,000 | 0.533 | –10%+ vs avg |
| Field Dimensions (ft) | Sq Ft | Acres | Hectares |
|---|---|---|---|
| 208.7 x 208.7 | 43,556 | 1.0 | 0.405 |
| 330 x 264 | 87,120 | 2.0 | 0.809 |
| 660 x 330 | 217,800 | 5.0 | 2.023 |
| 660 x 660 | 435,600 | 10.0 | 4.047 |
| 1320 x 660 | 871,200 | 20.0 | 8.094 |
| 2640 x 660 | 1,742,400 | 40.0 | 16.19 |
| 2640 x 2640 | 6,969,600 | 160.0 | 64.75 |
| 5280 x 5280 | 27,878,400 | 640.0 (1 mi²) | 259.0 |
Getting the best Corn harvest depends on a combination of good management and smart choices for increase. The growers choose the right type of Corn for the particular area, sow at the right moment, care about equal soil for nutrients, control the pests and gather the crop right… Everything these are important steps.
Even so, bad weather tends to remove a lot of that work and cause heavy drops in the Yield per Acre.
How to Increase Corn Yield per Acre
The amounts of Corn production ranged a lot over the centuries. From the 1700s until the 1930s typical amounts stayed around 20 to 30 bushels per acre. Later happened something remarkable.
Since about 1937, the speed of improvement jumped to around 0.8 bushels per acre yearly. The technology that backs the current Corn farming is truly impressive. Now one commonly reaches record level of 150 bushels per acre.
The place has big influence. In the south region of state, middle amounts range between 120 and 140 bushels per acre. In the central and north parts it gets closer to 160 to 180.
Even in one same state can appear huge differencse. One district can beat averages of more than 220 bushels per acre, while another stays at only 142. States like Oregon, Washington, Arizona and Idaho grow Corn, but they have much less of planted acres, so they give a lot less than the midwestern states.
The time of sowing is also interesting. Unlike beans, where early sowing usually gives clear profit, recent studies about Corn in central Indiana point, that the best amounts commonly come from sowing at the start of May instead of in the earliest days of mid-April.
Before harvest, rating of Yield per Acre requires usual math. One multiplies the ears per acre by the kernels per row per ear, later divides buy the kernels per bushel. In a typical year, around 90,000 kernels form one bushel.
The number of kernels per bushel is one of the most guessed parts in the whole method. That math works best while near the phase of kernel growth.
On the other hand, for 150 bushels per acre with Corn at four dollars, around 70 dollars of profit per acre on owned ground are real in a good year. Even so that margin is thin and quickly disappears. The breakeven spot for owned ground commonly sits between 3.80 and 4.30 dollars, based on the costs and guesses about amount.
The present record for farm level beats a bit over 600 bushels, reached by David Hula. He thinks that 800 to 900 bushels are possible. In smaller pockets truly big amounts can happen, but such values usually do not spread to wider areas.
Corn is a heavy feeder, so high amounts without strong feeding are hard to reach. Placing dressingof both sides of the row can raise the Yield per Acre almost by seven bushels compared to uneven spread.
