Corn Yield & Production Calculator

Estimate your corn yield and total production with moisture correction.

Enter your field and crop data to calculate estimated yield and total production. Supports both metric (kg/ha) and imperial (bu/ac) units. Moisture correction included.

Examples

See how to estimate corn yield with real-world data.

High-yield field (metric)

Standard

A 2 ha field with 80,000 ears/ha, 550 kernels/ear, 320g TKW, 18% moisture, 14% target.

Unit System: Metric (kg/ha, hectare)

Field Area: 2 ha

Ear Count per Area: 80000 per ha

Kernels per Ear: 550

Thousand Kernel Weight: 320 g

Grain Moisture: 18%

Target Moisture: 14%

Average field (imperial)

Standard

A 5 acre field with 28,000 ears/ac, 450 kernels/ear, 290g TKW, 20% moisture, 15% target.

Unit System: Imperial (bu/ac, acre)

Field Area: 5 acre

Ear Count per Area: 28000 per acre

Kernels per Ear: 450

Thousand Kernel Weight: 290 g

Grain Moisture: 20%

Target Moisture: 15%

Small plot (metric)

Standard

A 0.5 ha plot with 60,000 ears/ha, 400 kernels/ear, 250g TKW, 22% moisture, 15% target.

Unit System: Metric (kg/ha, hectare)

Field Area: 0.5 ha

Ear Count per Area: 60000 per ha

Kernels per Ear: 400

Thousand Kernel Weight: 250 g

Grain Moisture: 22%

Target Moisture: 15%

Large US field (imperial)

Standard

A 50 acre field with 32,000 ears/ac, 520 kernels/ear, 310g TKW, 19% moisture, 15% target.

Unit System: Imperial (bu/ac, acre)

Field Area: 50 acre

Ear Count per Area: 32000 per acre

Kernels per Ear: 520

Thousand Kernel Weight: 310 g

Grain Moisture: 19%

Target Moisture: 15%

Other Titles
Understanding Corn Yield & Production Calculator: A Comprehensive Guide
Learn how to estimate corn yield, correct for moisture, and maximize your harvest.

What is Corn Yield & Production?

  • Definition of Corn Yield
  • Importance in Agriculture
  • Yield vs. Total Production
Corn yield refers to the amount of corn grain harvested per unit area, typically expressed as kilograms per hectare (kg/ha) or bushels per acre (bu/ac). It is a key indicator of crop productivity and farm profitability.
Yield vs. Production
Yield is a per-area measure, while total production is the overall output from the entire field. Both are crucial for planning and sales.

Yield and Production Examples

  • A field with 80,000 ears/ha and 320g TKW yields more than one with 60,000 ears/ha.
  • Total production is yield multiplied by field area.

Step-by-Step Guide to Using the Calculator

  • Input Field Data
  • Select Units
  • Interpret Results
Input Data Accurately
Enter the correct field area, ear count, kernels per ear, thousand kernel weight, and moisture values. Choose the appropriate unit system for your region.
Review Results
The calculator provides both as-harvested and dry (corrected) yield and production values. Use these for planning, storage, and sales decisions.

Step-by-Step Examples

  • Switch between metric and imperial to compare results.
  • Adjust moisture values to see dry yield impact.

Real-World Applications of Corn Yield Estimation

  • Farm Management
  • Research and Trials
  • Market Planning
Farm Management
Farmers use yield estimates to plan harvest logistics, storage, and sales. Accurate yield prediction helps optimize resources and maximize profit.
Research and Trials
Agronomists and researchers use yield calculators to compare hybrids, treatments, and field practices.

Application Examples

  • A researcher compares yield across different fertilizer treatments.
  • A farmer estimates storage needs based on dry yield.

Common Misconceptions and Correct Methods

  • Yield vs. Production
  • Moisture Correction
  • Kernel Weight Importance
Moisture Correction is Essential
Ignoring moisture correction can lead to overestimating marketable yield. Always use the dry yield for storage and sales planning.
Kernel Weight Matters
Thousand kernel weight (TKW) varies by hybrid and environment. Use actual measured values for best accuracy.

Misconception Examples

  • Using a default TKW may not reflect your field's reality.
  • Reporting yield at harvest moisture can mislead buyers.

Mathematical Derivation and Examples

  • Yield Formula
  • Moisture Correction Formula
  • Worked Example
Yield Formula
Metric: Yield (kg/ha) = (Ear Count/ha) x (Kernels/Ear) x (TKW, g) / 10. Imperial: Yield (bu/ac) = (Ear Count/ac) x (Kernels/Ear) x (TKW, g) / 70,973.
Moisture Correction
Dry Yield = Yield x ((100 - Harvest Moisture) / (100 - Target Moisture)).
Worked Example
A field with 80,000 ears/ha, 550 kernels/ear, 320g TKW, 18% moisture, 14% target: Yield = (80,000 x 550 x 320) / 10 = 1,408,000,000 / 10 = 140,800 kg/ha. Dry Yield = 140,800 x (82/86) = 134,200 kg/ha.

Mathematical Examples

  • Try the calculator with your own field data.
  • Compare dry and as-harvested yields.