Biology
Find bushels stored in a round bin from diameter and grain depth.
Your inputs
Change any value — everything updates instantly.
Inside diameter.
Levelled grain height.
Try an example
Grain stored
11,361 bu
This means about 11,361 bushels.
What you are seeing
Each bar grows to show a result for your inputs.
The top bar is the main answer: 11,361 bu.
Change grain depth (level) (now 20) and the bars update instantly.
Volume
14,137 ft³
π r² h.
Result explanation: Grain stored
11,361 bu.
Real-life comparison: With grain depth (level) 10% higher, the answer would be 12,496.69.
Low, normal or high? Use this as an estimate based on the stated formula.
How the result changes with grain depth (level)
How to read this chart: The line shows the result across a range of values. The dot marks your input.
Find bushels stored in a round bin from diameter and grain depth.
This means about 11,361 bushels.
Ignores compaction.
1 bushel = 1.2445 ft³.
bu = π × (d/2)² × h × 0.8036
Symbols
Why this formula works
1 bushel = 1.2445 ft³.
Unit check
Units match on both sides ✓
Worked example
Common mistakes
This means about 11,361 bushels.
Add cone volume ÷ 3.
Grain compacts a few percent.
Multiply by test weight.
Never enter a bin alone.
Reviewed 2026-09-25 · Next review 2027-09-25
Important limitation. Ignores compaction.
Tell us if a formula, unit, explanation, or result needs attention. Your message will include this calculator’s name and page.
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