There are 25-30 pounds in a bushel of peanuts, depending on variety and moisture content.
A bushel of peanuts typically weighs 25-30 lbs (11-14 kg) when shelled (in-shell weight is higher). Farmer's Stock Peanuts (unshelled) average 28 lbs/bushel, while cleaned, shelled kernels weigh closer to 25 lbs. Moisture levels and peanut type (e.g., Virginia, Runner) cause slight variations.
Key Factors Affecting Peanut Bushel Weight
- Peanut Type: Virginia peanuts (~28 lbs) weigh more per bushel than Runner (~26 lbs) due to larger kernels.
- Moisture Content: Higher moisture (e.g., fresh harvest) increases weight; dried peanuts weigh less.
- Shell Status: Unshelled (in-shell) peanuts weigh ~1.5x more than shelled kernels per bushel.
- Cleaning/Grading: Foreign material (dirt, stems) adds weight; cleaned peanuts weigh less.
Peanut Weight Conversions (Per Bushel)
| Peanut Type/State | Weight per Bushel (lbs) | Weight per Bushel (kg) | Notes |
|---|---|---|---|
| Farmer's Stock (Unshelled, Uncleaned) | 28-32 lbs | 12.7-14.5 kg | Includes shells, dirt, and moisture. Used for initial sales. |
| Shelled, Cleaned Kernels | 24-26 lbs | 10.9-11.8 kg | Ready for roasting or processing; moisture ~7%. |
| Virginia Peanuts (Unshelled) | 30-32 lbs | 13.6-14.5 kg | Larger pods; often sold in-shell for boiling. |
| Runner Peanuts (Unshelled) | 26-28 lbs | 11.8-12.7 kg | Smaller kernels; common for peanut butter. |
How to Calculate Peanut Weight
- For Unshelled Peanuts: Weigh a 1-gallon sample (≈0.16 bushels). Multiply by 6.25 to estimate bushel weight.
- Shelling Loss: Unshelled peanuts yield ~50% kernels by weight. Example: 30 lbs unshelled → ~15 lbs shelled.
- Moisture Adjustment: Subtract 1% weight per 1% moisture loss when drying (e.g., 30 lbs at 10% moisture → 28.5 lbs at 8%).
Common Mistakes to Avoid
- Confusing Volume vs. Weight: A bushel is a volume measure (≈8 dry gallons), not a fixed weight. Always weigh for accuracy.
- Ignoring Shell Weight: Unshelled peanuts contain 30-50% shells by weight-account for this in recipes or sales.
- Assuming Uniformity: Peanut weights vary by region, harvest time, and storage conditions. Re-weigh after processing.
Practical Applications
- Farming: Yield estimates use bushels/acre (e.g., 3,000 lbs/acre = ~100 bushels).
- Cooking: Recipes often list shelled weights. 1 bushel shelled ≈ 25 lbs kernels ≈ 50 cups peanut butter.
- Storage: Unshelled peanuts store longer but occupy 2x the space of shelled per pound.