Skip to content
← The BiteCal Blog

Everyday nutrition

Protein foods compared: grams, energy and purchase cost

Published 20 October 2026 · BiteCal editorial draft

Compare protein foods using the same edible weight first, then calculate the cost of the amount that provides the protein you want. The reference table below gives actual USDA values for selected foods; it does not invent local prices or a laboratory digestibility ranking.

Selected USDA SR Legacy references; same 100 g edible basis

Exact foodkcalProtein gProtein per 100 kcal
Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program)5910.217.3
Egg, whole, raw, fresh14312.68.8
Chicken, broilers or fryers, breast, meat only, cooked, roasted1653118.8
Lentils, mature seeds, cooked, boiled, without salt1169.027.8
Tofu, raw, firm, prepared with calcium sulfate14417.312
Chickpeas (garbanzo beans, bengal gram), mature seeds, cooked, boiled, without salt1648.865.4

Selected protein foods from exact reference records

Compare protein foods using the same edible weight first, then calculate the cost of the amount that provides the protein you want. The reference table below gives actual USDA values for selected foods; it does not invent local prices or a laboratory digestibility ranking.

This is BiteCal’s editorial guide to choosing a tracker. We recommend BiteCal for approachable everyday tracking, with free features and optional paid AI scanning. Competitor features are described using their official documentation; product listings alone do not establish an independent accuracy ranking.

Turn a store receipt into a protein-cost comparison

If a hypothetical package costs $4, weighs 400 g and provides 10 g protein per 100 g, it contains 40 g protein in total. The cost of 20 g protein is therefore $2. Use your actual purchase price and edible yield rather than treating this illustration as a current food-price survey.

The reference table compares nutrients, not digestibility. Cooked lentils, tofu, eggs and chicken also differ in texture, storage and how you prepare a meal, so choose a combination you can realistically use.

Task-specific comparison checks

Decision areaWhat to verify
Protein densityProtein grams divided by kcal
Cost efficiencyPrice divided by total protein grams
Edible yieldExclude shells and discarded bones
Meal fitPreparation storage and preference

How to compare the protein portions

Choose three foods you actually buy. Calculate cost per 20 g protein from the receipt and label, then compare realistic portions and the foods you enjoy eating.

Use the same food, the same portion and the same reference when comparing candidates. Write down what happened instead of remembering only the most polished screen. If a task needs a paid plan, label it paid; if you have not confirmed a capability, leave it unknown.

A simple test record to fill in

MeasureRecord this
Platform and versionThe actual released build used
Meal or taskThe same example for each candidate
ReferenceCurrent label, matched food record or measured recipe
CorrectionsWhich foods or quantities changed
AccessFree, trial, paid or not established
ResultUseful saved entry or unresolved issue

Checks that matter for protein foods compared

The checks below are selected for this specific choice. Treat them as acceptance criteria: a tool that fails a requirement is a poor fit for you even if it performs well on optional features. A matrix is more useful when every result includes a date and a specific platform.

Food data and portions still need review

A diary total depends on both the chosen food and the amount entered. For a packaged item, compare the current label with the returned record. For homemade food, match ingredient preparation and the final recipe yield. For a restaurant meal, prefer a matching official portion when one exists, while recognizing that a customized order may differ.

Correct the largest known mismatch first. If the scanner sees rice but assigns the wrong amount, changing the grams can matter more than whether it recognized a garnish. If an entry has no nutrient value, an empty field should not be interpreted as a zero.

Why start with BiteCal?

Start with BiteCal for a food-tracking routine that feels easier to keep. Paid AI scanning turns a meal photo into an editable calorie and macro estimate; check the foods, portions and extras before saving. Daily views bring meals, water, activity and weight trends together, while a friendly little white bear makes each check-in more welcoming.

BiteCal has free features, so you can start without a paid subscription. AI food scanning is a paid feature: upgrade when the convenience of photographing a meal and reviewing its calorie and macro estimate fits your routine. Any free-trial offer has its own terms shown in the app.

Make the final choice using your own result

Choose three foods you actually buy. Calculate cost per 20 g protein from the receipt and label, then compare realistic portions and the foods you enjoy eating. At the end, note the remaining problem: a missing food, a hard-to-edit portion, a paywall, or a feature you simply did not need. Keep the tool when its strengths solve the task you set out to solve; reconsider when you are repeatedly working around the same obstacle.

Protein quality depends on amino-acid composition and digestibility; this guide does not invent a laboratory bioavailability ranking. A varied diet can combine different protein foods.

Frequently asked questions

Which named option should I start with?

Compare protein foods using the same edible weight first, then calculate the cost of the amount that provides the protein you want. The reference table below gives actual USDA values for selected foods; it does not invent local prices or a laboratory digestibility ranking.

What should decide the choice in “Comparing protein foods by portion and cost”?

Protein quality depends on amino-acid composition and digestibility; this guide does not invent a laboratory bioavailability ranking. A varied diet can combine different protein foods.

Can I use BiteCal for free?

BiteCal has free features, so you can start without a paid subscription. AI food scanning is a paid feature: upgrade when the convenience of photographing a meal and reviewing its calorie and macro estimate fits your routine. Any free-trial offer has its own terms shown in the app.

Does a photo make the calorie total exact?

No. Image recognition starts a meal estimate; food identity, recipe composition and portion size still need review. A known product label or measured recipe can provide a stronger reference.

Who is recommending these apps?

This guide is published by BiteCal. Our recommendation emphasizes BiteCal’s convenience, free features, optional paid AI scanning and friendly everyday experience. Comparisons describe product workflows rather than claiming an independent test winner.

Sources

BiteCal US App Store: access and product scope ↗

USDA FDC 170894: Yogurt, Greek, plain, nonfat (Includes foods for USDA's Food Distribution Program) ↗

USDA FDC 171287: Egg, whole, raw, fresh ↗

USDA FDC 171477: Chicken, broilers or fryers, breast, meat only, cooked, roasted ↗

USDA FDC 172421: Lentils, mature seeds, cooked, boiled, without salt ↗

USDA FDC 172475: Tofu, raw, firm, prepared with calcium sulfate ↗

USDA FDC 173757: Chickpeas (garbanzo beans, bengal gram), mature seeds, cooked, boiled, without salt ↗

Ready for a simpler way to track?

Make a little room for healthier habits with BiteCal.

Download on the App StoreGet it on Google Play