Food calories, with the sources behind them.
Calorie tables, guides and meal plans. Check the source named in each article, and use the USDA food pages for current app lookup values.
- foods in the app database
- 13,588foods in the app database
- USDA datasets
- 3USDA datasets
- articles on the site
- 49articles on the site
How Many Calories Have I Eaten Today? Here's How to Find Out
List the food and drinks you consumed, estimate or measure each amount, and add the calorie values from labels or suitable database records.
Guideabout 3 min
Read articleFood and calorie tracking guides18
Practical guides to food data, portions, calorie needs and meal tracking.
Calorie dataabout 3 min
Alcohol calories: US beer, wine and liquor servings
A regular 12 fl oz beer is roughly 150 calories, a 5 fl oz glass of wine roughly 120, and a 1.5 fl oz shot of 80-proof liquor roughly 100.
Read articleGuideabout 3 min
Calorie Tracker Without an Account or Ads: What to Check
Check account requirements, advertising, offline use and third-party processing separately.
Read articleGuideabout 4 min
How many calories are in a pound of fat?
About 3,500 kcal per pound, or 7,700 per kilogram, is a conventional estimate used for body-fat-related weight-loss arithmetic.
Read articleCalorie dataabout 3 min
Calories in olive oil, butter and cooking fats
Using generic USDA values, olive oil has 884 kcal per 100 g and salted butter 717.
Read articleCalorie dataabout 3 min
Calories in potatoes: raw, boiled and baked
Generic USDA examples give about 77 kcal per 100 g for raw potato, 86 for boiled potato without skin and 93 for baked potato with skin.
Read articleGuideabout 4 min
Cooked vs raw weight: logging meat and mixed meals
Use a raw-food record for a raw weight and a cooked-food record for a cooked weight.
Read articleCalorie dataabout 3 min
Eggs vs egg whites: protein, calories and micronutrients
A large raw whole egg with a 50 g edible portion has about 72 kcal and 6.3 g protein; a large egg white at 33 g has about 17 kcal and 3.6 g protein in generic USDA records.
Read articleGuideabout 3 min
How Accurate Is Calorie Counting? Labels, Portions and Estimates
Calorie counts are estimates whose usefulness depends on the food record, amount and completeness of the log.
Read articleGuideabout 4 min
How many calories do you need per day?
There is no single daily calorie requirement.
Read articleGuideabout 4 min
How to calculate TDEE and understand active calories
Estimate TDEE by predicting resting energy expenditure with Mifflin-St Jeor and applying an activity assumption.
Read articleGuideabout 3 min
How to Track Calories When Eating Out: Labels and Honest Estimates
Start with the restaurant's published nutrition information for the item and portion you ordered.
Read articleGuideabout 3 min
How to Track Mixed Meals With AI: Recipes, Bowls and Leftovers
For a mixed meal, use the recipe ingredients and the amount of the finished batch you ate.
Read articleGuideabout 3 min
Can You Count Calories From a Photo? What the Image Cannot Show
A photo can support a calorie estimate, but it cannot measure the meal or establish every ingredient.
Read articleGuideabout 4 min
How much protein do you need per day?
Protein needs depend on life stage, health and training.
Read articleGuideabout 3 min
Tracking Weight and Calories Together: How to Read the Context
Food and weight records can be easier to review together, but neither proves the cause of a weight change or measures exact maintenance calories.
Read articleBehind the appabout 3 min
Why AI Calorie Estimates Can Be Wrong: Four Checks That Help
AI calorie estimates can be wrong because the food is misidentified, the nutrition record is unsuitable, the amount is guessed or an ingredient is missing.
Read articleBehind the appabout 3 min
Crowdsourced Calorie Databases: How to Check a Food Entry
Community entries can accurately reproduce labels, but can also contain duplicates or errors.
Read articleBehind the appabout 2 min
Why Calorie.one Is an Ad-Free Calorie Tracker
Calorie.one is ad-free so food logging can focus on recording and reviewing meals without advertising interruptions.
Read article
Calories in food11
Reference tables for Danish food and drink. Historical FRIDA values retain their original attribution.
Calorie Dataabout 7 min
Calories in Danish food: rye bread, dinners and portions
These tables compare historical FRIDA food records and illustrative portions.
Read articleCalorie Dataabout 5 min
Smorrebrod calories: Danish open-faced sandwich examples
The historical examples below range from about 189 to 650 kcal, depending on ingredients and portion weights.
Read articleCalorie Dataabout 6 min
Sandwich topping calories: 20 Danish ingredient examples
Among the historical FRIDA examples in this article, salted meat has 100 kcal per 100 g, tuna in water and turkey breast 107, cured sausage 455, and salami 510.
Read articleCalorie Dataabout 10 min
Calories in Danish rye bread: slices, butter and toppings
Using the historical FRIDA wholegrain rye bread record of 199 kcal per 100 g, a 35 g slice contributes about 70 kcal.
Read articleCalorie Dataabout 6 min
How much does a slice of rye bread weigh? Portion examples
This article uses a 35 g rye-bread slice and a 30 g white-bread slice as examples, not universal serving weights.
Read articleGuideabout 3 min
Oatmeal with water: calories from dry oats and toppings
Water adds no calories to porridge.
Read articleGuideabout 3 min
Dry vs cooked pasta and rice: which weight should you log?
Pasta and rice absorb water during cooking, changing their weight and energy per 100 grams.
Read articleGuideabout 6 min
What are macronutrients? Protein, carbs and fat explained
Protein, carbohydrate and fat provide energy, commonly calculated as 4, 4 and 9 kcal per gram.
Read articleGuideabout 4 min
What are calories? kcal, kJ and US food labels explained
Calories are a unit of energy.
Read articleCalorie Dataabout 4 min
Calories in alcohol: historical beer, wine and mixer tables
Alcohol contributes 7 kcal per gram, and mixers or other ingredients can add energy.
Read articleCalorie Dataabout 5 min
Calories in beer: serving sizes and historical pilsner values
The historical FRIDA regular pilsner record contains 35.9 kcal per 100 g.
Read article
Calorie needs and weight management9
Energy expenditure and calorie deficits explained. Use the calculator for a personal estimate. Daily calorie needs calculator.
Guideabout 4 min
How to calculate daily calorie needs: formula and examples
Daily energy needs vary.
Read articleGuideabout 4 min
How many calories should you eat to lose weight?
Weight-management intake targets depend on individual circumstances.
Read articleGuideabout 5 min
How large should a calorie deficit be?
A calorie deficit means energy intake is below expenditure over time.
Read articleGuideabout 6 min
How long does it take to lose 5 kg (11 lb)?
There is no reliable universal timetable for losing 5 kg.
Read articleGuideabout 4 min
Weight-loss plateau or fluctuation? How to review the trend
A scale measures total body weight, not just fat.
Read articleGuideabout 5 min
How Much Should You Walk to Lose Weight?
No fixed walking duration guarantees weight loss.
Read articleGuideabout 1 min
What is BMI? Formula in pounds or kilograms and limitations
BMI stands for body mass index and is calculated as weight in kilograms divided by height in meters squared.
Read articleMeal Planabout 5 min
1,500-calorie meal plan: seven-day Danish menu example
The listed meal estimates average about 1,505 kcal per day and include rye bread, fish, potatoes and other familiar dishes.
Read articleMeal Planabout 9 min
1,200-calorie meal plan: seven-day Danish menu example
The historical menu below has listed meal totals averaging about 1,202 kcal per day.
Read article
Everyday calorie tracking4
Finding nutrition values with and without a scale, and making a food log manageable.
Guideabout 6 min
How to Count Calories: Step by Step, With and Without Scales
Record the food and drinks consumed, find the amount, and use a suitable label or database record.
Read articleGuideabout 5 min
How to Calculate Calories in Food and Homemade Recipes
Multiply calories per 100 grams by the grams you eat, then divide by 100.
Read articleGuideabout 5 min
Can You Count Calories Without Weighing Your Food?
You can estimate calories using package portions, recipe quantities and visual descriptions, but there is no universal accuracy range.
Read articleGuideabout 6 min
Why People Stop Counting Calories - and Ways to Review the Routine
People stop tracking food for different reasons, including entry effort, uncertain portions, changing priorities or finding that tracking does not suit them.
Read article
Calorie tracking apps6
What apps do, where their values come from and how they differ. Compare calorie tracking apps.
Guideabout 4 min
How to Choose a Calorie Tracker App: Seven Practical Checks
Check whether an app can record your foods, let you correct ingredients and portions, identify sources and missing values, and show understandable summaries.
Read articleGuideabout 4 min
What is an AI Calorie Counter, and When Can You Trust It?
An AI calorie counter recognizes food from a description or image and proposes ingredients and portions.
Read articleGuideabout 4 min
Free AI Calorie Trackers: What Is Actually Included?
A free AI calorie tracker lets you describe or photograph food without paying for each entry, but access may have usage limits.
Read articleGuideabout 4 min
ChatGPT Calorie Tracker Prompt With a Worked Example
To use ChatGPT for calorie tracking, provide the foods, edible weights, raw or cooked state and nutrition values when available.
Read articleGuideabout 4 min
Photo Calorie Counter — How It Works and What to Check
A photo calorie counter proposes foods and portions from an image.
Read articleGuideabout 6 min
Why Do Two Calorie Apps Show Different Numbers for the Same Food?
Two apps can select different food records, use different portion weights, or treat raw and cooked food differently.
Read article
Let the app find the numbers
Describe what you ate or take a photo. Calorie.one breaks the meal into ingredients and looks up nutrition in USDA FoodData Central, with estimates clearly marked. Review the items behind the total before saving.