Agriculture, Soil, Fertilizer & Farm Operations calculator

Grain Drying Shrink Calculator

Convert lost or shrink bushels into a percent of wet bushels so drying, moisture removal, handling, and storage losses can be compared on one basis.

What this calculator does

  • Estimate grain drying shrink percent from shrink bushels, wet bushels, and an action threshold.
  • Use it to compare moisture shrink, handling loss, or elevator shrink against a harvest plan threshold.
  • Turns shrink or lost bushels, wet grain bushels, shrink threshold into a practical % result for grain drying shrink.

Formula used

  • Grain shrink percent = shrink bushels / wet bushels x 100

Inputs explained

  • Shrink or lost bushels: Use moisture shrink, handling loss, or measured bin-to-bin loss.
  • Wet grain bushels: Use bushels before drying or before the shrink deduction.
  • Shrink threshold: Use the expected or acceptable shrink percent for the crop and moisture level.

How to use the result

  • Use it when you need a fast farm operations number for a field, tank, crop, herd, bin, irrigation set, equipment pass, or cost estimate.
  • Use measured farm records where possible. The result does not replace agronomic recommendations, engineered designs, product labels, animal nutrition advice, or local compliance requirements.

Common questions

  • What is the grain drying shrink calculator for? Estimate grain drying shrink percent from shrink bushels, wet bushels, and an action threshold.
  • What numbers do I need for grain drying shrink? You need shrink or lost bushels, wet grain bushels, shrink threshold. Use the same field, crop, batch, tank, bin, herd, or cost period for every input.
  • How should I use the result? Use the result as a quick planning number for ordering inputs, setting field work, checking tank size, planning water, sizing storage, or comparing cost per acre before you commit the job.
  • What should I verify before acting? Check units, field area, product analysis, label directions, soil test basis, moisture basis, equipment calibration, and current prices. Small unit mistakes can move farm math a long way.

Last reviewed 2026-05-12.