| Ingredient | Raw weight | Trim % | Cooking yield % | Cooked yield | Overall yield % |
|---|---|---|---|---|---|
| Carrots (peeled) | 10 kg | 12% | 95% | 8.36 kg | 83.6% |
| Chicken thighs (trimmed, roasted) | 15 lb | 3% | 78% | 11.35 lb | 75.7% |
| Tomato sauce (reduction) | 8 kg | 0% | 55% | 4.40 kg | 55.0% |
- Trim Loss = Raw Weight × Trim %
- Edible Weight = Raw Weight − Trim Loss
- Cooked Yield = Edible Weight × Cooking Yield %
- Cooking Loss = Edible Weight − Cooked Yield
- Overall Yield % = (Cooked Yield ÷ Raw Weight) × 100
- Cost per raw kg = Raw Cost ÷ Unit-to-kg factor
- Total Raw Value = Raw Weight (kg) × Cost per raw kg
- Cost per cooked kg = Total Raw Value ÷ Cooked Yield (kg)
- Cost per portion = Cost per cooked kg × Portion Size (kg)
- Enter raw weight and select your unit.
- Choose trim method and provide trim percent or trim weight.
- Set cooking yield based on your method and recipe.
- Optional: add portion size to estimate servings and leftover.
- Optional: enable a service buffer for busy periods.
- Press Calculate to view results above the form.
- Export CSV or PDF for prep sheets and costing.
Why yield tracking improves prep accuracy
Yield loss turns purchasing weight into usable portions. By measuring trim loss and cooking shrink, kitchens forecast how much finished product reaches the line. This calculator converts raw weight into edible weight, then into cooked yield, so your prep list matches service demand. When you log real outcomes, you can standardize targets for each ingredient and reduce last‑minute shortages.
Benchmarks for trimming and cooking shrink
Trim loss often ranges from 2–15% for many vegetables, depending on peel thickness and knife skills. Protein trim can be 1–5% for light cleanup, but higher when removing silverskin. Cooking yield varies widely: roasting may finish around 70–90%, braises can exceed 100% when absorbing liquid, and reductions can drop to 40–60%. Use your own production notes to refine these percentages.
Portion planning with leftover control
Portion size links cooked yield to servings. When portioning is enabled, the calculator estimates whole portions and the remainder after portioning. Track leftover by recipe to adjust batch size, reduce waste, and improve consistency. For catering or high‑volume service, add a small buffer so plated counts stay stable when portioning variance occurs.
Costing that reflects real usable output
Food cost should follow the cooked yield, not the invoice weight. The calculator spreads total raw value across the final cooked yield to produce a realistic cost per cooked unit and cost per portion. This makes menu pricing and prep decisions clearer, especially for items with high peel loss or heavy reduction. Document costs and yields together for reliable margin tracking.
Process improvements that reduce yield loss
Small technique changes move yield quickly. Sharpen knives, standardize trim specifications, and train consistent cuts. Use calibrated scales for batch weighing, and avoid overcooking that drives excessive moisture loss. Consider repurposing trims into stocks, purees, or sauces where safe and appropriate. Review yield reports weekly to spot outliers and update your prep standards.
1) What does “cooking yield percent” represent?
It is the cooked weight divided by edible weight, expressed as a percent. Values below 100% indicate shrink from evaporation or render. Values above 100% can occur when ingredients absorb liquid during cooking.
2) When should I use trim weight instead of trim percent?
Use trim weight when waste is consistent and measured, such as removing a known amount of stems or bones. Use trim percent for variable produce where waste scales with batch size.
3) Why does cost per cooked unit increase after shrink?
The same raw spend is distributed across less finished product. Higher losses mean fewer portions, so each portion carries more of the original cost. Improving yield directly lowers portion cost.
4) What portion unit should I pick for sauces?
Use grams for ladle portions or kilograms for large batch packing. If you portion in ounces, select oz. Matching your real portioning tool improves the accuracy of portion count and leftovers.
5) How should I choose a service buffer?
Start with 2–5% for fast service or uncertain demand. Increase for events with fixed guest counts and plating variance. Reduce buffer if leftovers are frequent and your yield data is stable.
6) Are the example table numbers meant as standards?
No. They are illustrative to demonstrate the math. Actual yields depend on variety, trimming style, cooking method, and batch size. Record your own yields and update settings per recipe.