Sweetcorn yield: how much is usable after prep (AP to EP %)
Sweetcorn: about 70% usable going cobs in husk to husked. That is a cost factor of 1.43: for every kilo you need ready to use, buy 1.43 kg as purchased.
Typical yield70%
Cost factor (AP ÷ EP)1.43
Lost in prep30%
Yield by preparation stage
| Stage | Average | Range | What is lost | USDA item |
|---|---|---|---|---|
| Cobs in husk → husked cobs | 70% | — | Husk and silk | 917 |
Husk and silk are about 30% of a cob's weight. Cobs sold ready-trimmed are the better buy unless the husk is part of the dish.
What the yield does to the cost
| Usable sweetcorn needed | Buy (as purchased) at 70% |
|---|---|
| 1 kg | 1.43 kg |
| 5 kg | 7.14 kg |
| 10 kg | 14.29 kg |
Use 70% in the yield calculator →
Yield source: USDA Agriculture Handbook No. 102, Food Yields Summarized by Different Stages of Preparation (Matthews and Garrison, USDA Agricultural Research Service, 1975), Table 1, item 917 (US samples of fresh corn on the cob). Your own case is the real number: weigh it in the yield calculator.
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