Free Kitchen Tool
Split meal prep into practical portions fast
Enter your total batch weight and servings to estimate a clean per-serving portion in grams and ounces.
Per-serving estimate
300 g
That comes out to about 10.58 oz per serving for a balanced meal-prep split.
- Per serving: 300 g
- Also: 10.58 oz
- Tip: Use the same container size to keep portions consistent all week.
How to use this meal prep portion calculator
This meal prep portion calculator also works well as a quick serving size calculator when you want to split one cooked batch into cleaner daily portions. It is useful for portion calculation, calorie tracking, and bulk-prep consistency without doing manual math every time.
If you need a scale-first workflow, see Best Kitchen Scale for Meal Prep in 2026, Best Food Scale for Counting Calories in 2026, and the Kitchen Scale Converter.
When this serving size calculator is most useful
Use it when you cook a full batch, weigh the total once, and want a fast per-serving estimate in grams or ounces. It is especially practical for lunches, rice bowls, pasta prep, protein batches, and family-size meal prep where portion calculation gets repetitive.
If you are still deciding whether your workflow needs a better scale or just faster conversions, compare this page with our guides to the best kitchen scale for meal prep and the best kitchen scales comparison.
Quick serving size tips for meal prep
Weigh the full cooked batch once, subtract the container weight if needed, then divide by the number of meals you actually plan to eat. That gives you a cleaner serving size estimate than eyeballing portions into containers.
If you also need to switch between grams, ounces, cups, and ingredient-based weights, use the Kitchen Scale Converter right after this tool.
Practical examples
- 1,200 g batch split into 4 servings: gives 300 g per meal.
- 3 lb cooked batch split into 6 servings: useful for weekly lunch prep when you want equal containers.
- Protein-only prep: helps you portion one large cooked protein batch before adding sides separately.
What this calculator does not do
This tool does not calculate calories, macros, or micronutrients. It only divides total batch weight into cleaner serving sizes. If you need more exact nutrition tracking, weigh each ingredient separately and log it alongside your portion split.
Best next step after using this calculator
If your portion math is solved but your weighing workflow still feels messy, compare the best kitchen scales for meal prep. If you also need raw-vs-cooked estimates for protein, go next to the Protein Portion Converter.