Free crop yield calculator. Estimate harvest yields for corn, wheat, soybeans, rice, potatoes, tomatoes, and more by field size and conditions.
Toggle any practices you use — each adds a yield boost.
+20% yield boost from irrigation
+15% yield boost from proper fertilization
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Knowing your expected yield helps with harvest planning, storage arrangements, and marketing decisions. Our crop yield estimator calculates expected production for 12 common crops based on field area, growing conditions, and management practices like irrigation and fertilization.
Yield estimation starts from a per-acre baseline that already reflects the growing condition you pick — each crop has calibrated yields for poor through excellent seasons, drawn from USDA NASS and university-extension averages. That baseline is multiplied by your field area and by management multipliers for irrigation (about +20%) and fertilization (about +15%). Because seasons vary, treat the output as a planning estimate rather than an exact forecast.
Yield Estimation Formula
Project total production across multiple fields and crops to plan harvest logistics and storage needs.
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Compare expected yields and values of different crops to optimize your rotation plan.
Calculate whether adding irrigation or improving fertilization will pay for itself through higher yields.
Know how much equipment, labor, and time you'll need for harvest based on expected production volumes.
Arrange adequate grain bins or storage, and time your sales based on expected harvest quantity.
Estimate gross revenue from your crop to plan cash flow and budget for the next season.
See how irrigation or improved fertilization could boost yields and whether the investment is worthwhile.
These estimates are based on average yields and condition factors from USDA and agricultural extension data. Actual yields can vary ±20-30% depending on specific weather events, pest pressure, hybrid selection, and local soil conditions. Use these as planning estimates, not guarantees.
Growing condition represents the overall quality of your growing season: soil fertility, adequate rainfall or irrigation, minimal pest/disease pressure, and favorable temperatures. Poor conditions might be drought years, while excellent conditions have ideal weather and no major stress.
Irrigation typically increases yields 15-25% compared to dryland farming in most regions. The calculator uses a 20% bonus, which is conservative. In arid regions, the benefit can be 50%+ since crops would fail without irrigation.
Prices used are typical market averages and may not reflect current commodity prices. For accurate revenue estimates, multiply your estimated yield by current local market prices. Grain prices fluctuate significantly throughout the year.
The calculator covers major crops (corn, wheat, soybeans, rice, barley, oats, cotton, sunflower, canola, potatoes, tomatoes, onions). For specialty crops, find the most similar crop category or research specific yield data from your local agricultural extension.