Homemade trail mixes and custom snack blends are convenient, but their calories are surprisingly hard to track. When you combine nuts, dried fruit, chocolate, seeds, or cereal, the final count depends on both the amount of each ingredient and its energy density. This mix calories per ounce calculator turns your recipe into a clear per-ounce number so you can portion servings with confidence.
Enter up to six ingredients, their weight in grams or ounces, and the calories per 100 g from a package label or nutrition database. The tool adds everything up and reports total calories, total weight, calories per 100 g, and calories per ounce — plus a breakdown of each ingredient's contribution.
Whether you are batch-prepping snacks, comparing store-bought blends, or building a high-energy mix for hiking, this calculator helps you stay on target.
🥜 Quick Presets
Load a sample blend, then adjust amounts or calorie values from your own labels.
🍱 Build Your Mix
Enter the amount and calories per 100 g for each ingredient. Empty rows are skipped.
📊 Results
Ingredient Breakdown
| Ingredient | Weight | Calories | % of Total |
|---|
How to Use This Calculator
Start with the ingredient amounts you already have on hand. For each ingredient, enter the quantity in grams or ounces and the calorie density from the nutrition label — usually listed as kcal per 100 g. Rows left blank are ignored, so you can use just 2 ingredients or all 6.
- Pick an ingredient row and give it a name (optional).
- Enter the amount and choose g or oz.
- Enter calories per 100 g, then repeat for each ingredient.
- Press Calculate and read the per-ounce result at the top of the summary.
The Math Behind the Mix
The calculator works in three short steps:
1. Convert everything to grams. ounces × 28.3495 = grams
2. Find each ingredient's calories. (grams ÷ 100) × kcal per 100 g = ingredient calories
3. Scale the blend. total calories ÷ total grams × 100 = kcal per 100 g. Then kcal per 100 g × 0.283495 = kcal per ounce, since one ounce equals 28.3495 g.
This density-based approach means you can rescale the batch to any size — the per-100 g and per-ounce values stay the same as long as the proportions hold.
Worked Example
You mix 50 g peanuts (567 kcal/100 g), 40 g raisins (299 kcal/100 g), and 30 g chocolate chips (535 kcal/100 g).
- Peanuts: 50 ÷ 100 × 567 = 283.5 kcal
- Raisins: 40 ÷ 100 × 299 = 119.6 kcal
- Chocolate: 30 ÷ 100 × 535 = 160.5 kcal
Total = 563.6 kcal over 120 g. Per 100 g: 563.6 ÷ 120 × 100 ≈ 470 kcal. Per ounce: 470 × 0.2835 ≈ 133 kcal — a compact 30 g handful would be about 141 kcal.
Reference Data: Typical Calorie Densities
Values below are averages for dry, raw, or roasted ingredients. Always prefer the number on your specific package when available.
| Ingredient | kcal per 100 g |
|---|---|
| Peanuts (dry roasted) | ~587 |
| Almonds | ~579 |
| Walnuts | ~654 |
| Cashews | ~553 |
| Pumpkin seeds | ~559 |
| Sunflower seeds | ~584 |
| Raisins | ~299 |
| Dried cranberries (sweetened) | ~325 |
| Dried apricots | ~241 |
| Milk chocolate chips | ~535 |
| Dark chocolate (70%) | ~598 |
| Pretzels | ~380 |
| Granola | ~471 |
| Oats (dry) | ~389 |
Tips & Common Mistakes
Also keep in mind that coated or oil-roasted items such as chocolate-covered raisins or honey-roasted peanuts can run 10–30% higher than their plain counterparts. When in doubt, read the bag.
Frequently Asked Questions
Why doesn't my per-ounce number match a store-bought trail mix label?
Brands use slightly different ingredient proportions, and many labels round to the nearest 5 or 10 kcal. Regulators also allow a tolerance on packaged nutrition facts, so small differences are normal.
Can I use this for recipes that are cooked or baked?
Yes, but water loss during baking concentrates calories. A better approach is to calculate the raw mix first, then weigh the finished baked product and use that weight for the per-ounce figure.
Is calories per ounce the same as calories per 28 g?
For practical purposes, yes — 1 oz = 28.3495 g. The difference only matters if you are tracking to within a single calorie.
Nutrition values in the reference table are adapted from the USDA FoodData Central database, where you can look up thousands of foods for free at fdc.nal.usda.gov.