Building Materials Manufacturing calculator
Aggregate Moisture Adjustment Calculator
This calculator is for ready-mix, concrete products, and precast teams adjusting sand or stone feed when stockpile moisture changes. It connects wet aggregate scale weight, moisture correction, and target oven-dry weight so water demand and yield do not drift.
What this calculator does
- Correct aggregate batch weight for measured stockpile moisture so concrete and block mixes stay on target.
- a batch plant needs to adjust wet aggregate weight against the oven-dry mix design
- The result is the corrected aggregate batch weight and gap to the target basis.
Formula used
- Aggregate Moisture Adjustment = scale-ticket aggregate weight before moisture correction × correction multiplier
- Gap to target = target value - aggregate moisture adjustment
Inputs explained
- Scale-ticket aggregate weight before moisture correction: Use scale-ticket aggregate weight before moisture correction from the same material, product, equipment, batch, shift, or order scope.
- Moisture correction multiplier from stockpile test: Use moisture correction multiplier from stockpile test from the same material, product, equipment, batch, shift, or order scope.
- Target oven-dry aggregate weight: Use target oven-dry aggregate weight from the same material, product, equipment, batch, shift, or order scope.
How to use the result
- Use it after moisture probe checks, rain events, stockpile changes, or failed slump and yield checks.
- It is only as accurate as the latest moisture sample, absorption value, and scale calibration.
Common questions
- What is Aggregate Moisture Adjustment for? Correct aggregate batch weight for measured stockpile moisture so concrete and block mixes stay on target.
- What information do I need before using it? Enter the measured aggregate weight, moisture correction multiplier, and target oven-dry aggregate weight.
- When is the result only an estimate? It is only as accurate as the latest moisture sample, absorption value, and scale calibration.
- How can I use the result? Use the result to adjust batch weights, protect water-cement ratio, and reduce slump or yield variation.
Last reviewed 2026-05-12.