Grain Milling, Dry Bulk Food & Feed Handling calculator
Moisture Loss Calculator
Calculate moisture-related weight loss for grain, flour, meal, pellets, or dry ingredients by comparing moisture loss weight with the starting product weight. Use it when quality, elevator, or production teams need to quantify shrink from drying, tempering, storage, cooling, or handling before updating yield and cost assumptions.
What this calculator does
- Calculate moisture-related weight loss for grain, flour, meal, pellets, or dry ingredients by comparing moisture loss weight with the starting product weight.
- Use it when quality, elevator, or production teams need to quantify shrink from drying, tempering, storage, cooling, or handling before updating yield and cost assumptions.
- Measures shrink caused by moisture change on a defined lot or run.
Formula used
- Moisture loss rate = moisture loss weight ÷ starting product weight × 100
- Moisture loss gap to target = target moisture loss - moisture loss rate
Inputs explained
- Moisture loss weight: Enter pounds lost to moisture change from drying, storage, cooling, or processing for the measured lot.
- Starting product weight: Use the starting grain, flour, meal, ingredient, or feed weight before the moisture change.
- Target moisture loss: Use the expected or allowable shrink percentage from quality standards, merchandiser assumptions, or cost model.
How to use the result
- Use for grain receiving, dryer checks, tempering reviews, bin storage, finished feed moisture control, and cost-per-ton updates.
- This calculator is an estimating and planning tool. Results can change with grain type, commodity grade, test weight, bulk density, moisture percentage, temperature, fines content, particle size, screen condition, hammer or roller wear, mill gap, aspiration, dust load, bin geometry, hopper angle, angle of repose, bridging or ratholing, conveyor loading, belt speed, screw fill, bucket spacing, pneumatic conveying velocity, mixer fill level, ingredient scale accuracy, bag weight, pallet pattern, labor coverage, sanitation requirements, allergen controls, rework policy, shrink history, utility rates, and actual plant operating data. Validate food-safety, feed-safety, combustible-dust, structural, regulatory, and safety-critical decisions with qualified process, quality, maintenance, engineering, and EHS experts.
Common questions
- What information do I need before using the Moisture Loss? Use moisture loss weight, starting weight, and target loss for the same commodity and period.
- What does the result mean? The result shows moisture loss as a percentage of starting weight and the gap versus the target.
- When is the result only an estimate? This calculator is an estimating and planning tool. Results can change with grain type, commodity grade, test weight, bulk density, moisture percentage, temperature, fines content, particle size, screen condition, hammer or roller wear, mill gap, aspiration, dust load, bin geometry, hopper angle, angle of repose, bridging or ratholing, conveyor loading, belt speed, screw fill, bucket spacing, pneumatic conveying velocity, mixer fill level, ingredient scale accuracy, bag weight, pallet pattern, labor coverage, sanitation requirements, allergen controls, rework policy, shrink history, utility rates, and actual plant operating data. Validate food-safety, feed-safety, combustible-dust, structural, regulatory, and safety-critical decisions with qualified process, quality, maintenance, engineering, and EHS experts.
- What decision can I make from the result? Use it to adjust dryer settings, update shrink assumptions, review storage conditions, or price the lot correctly.
Last reviewed 2026-05-12.