Food & Nutrition Calculators Comparison
All 37 Food & Nutrition calculators in one comparison table, with the formula and a worked example for each.
What you can work out with these calculators
Food and nutrition calculators turn labels and recipes into daily numbers: calories, macronutrient splits, net carbs and scaled ingredient amounts. They use standard energy conversions and nutrition conventions, and separate measured values from the general guidelines that surround them.
- Estimate daily calorie needs, then split them into protein, carbohydrate and fat.
- Check net carbohydrates for a low-carb or ketogenic plan.
- Scale a recipe up or down while keeping the ratios and seasoning sensible.
- Compare a serving against your daily targets rather than reading a label in isolation.
Compare calculators by what you enter
All 37 calculators here, one row each: what each tool works out and the fields it asks for before it does. Open any row to use the calculator itself.
| Calculator | What it works out | What you enter |
|---|---|---|
| Daily Calorie Needs | Calculate daily calorie needs from BMR | Age · Weight (kg) · Height (cm) · Gender · Activity |
| Macro Split Calculator | Calculate protein, carbs, fat split | Daily Calories · Goal |
| Daily Protein Need | Calculate optimal protein intake | Weight (kg) · Activity |
| Daily Water Intake | Calculate how much water to drink | Weight (kg) · Exercise (min/day) · Temperature |
| Weight Loss Timeline | Estimate time to goal weight | Current Weight (kg) · Goal Weight (kg) · Daily Deficit (cal) |
| Body Fat % (US Navy) | Estimate body fat using US Navy method | Gender · Height (cm) · Waist (cm) · Hip (cm) · Neck (cm) |
| Calories Burned (Activity) | Estimate calories for common activities | Weight (kg) · Activity · Duration (min) |
| Recipe Scaler | Scale ingredients by servings | Original Servings · Desired Servings · Ingredient Amount |
| Cooking Time Adjuster | Adjust cooking time for weight | Actual Weight (kg) · Recipe Weight (kg) · Recipe Time (min) |
| Meal Prep Cost | Calculate cost per serving | Total Cost ($) · Servings |
| Food Unit Converter | Convert cups to grams | Ingredient · Cups |
| Eating Out vs Cooking | Compare restaurant vs home costs | Meals Out/Week · Cost/Meal Out ($) · Meals Cooked/Week · Cost/Home Meal ($) |
| Fast Food Calories | Estimate fast food calories | Meal |
| Keto Macro Calculator | Calculate keto diet macros | Weight (kg) · Height (cm) · Age · Gender |
| IF Schedule Planner | Plan intermittent fasting schedule | Fasting Hours · Wake Time (24h) |
| Vegan Protein Sources | Calculate plant-based protein needs | Weight (kg) · Goal |
| Grocery Cost/Person | Calculate grocery costs for household | Adults · Children · Diet |
| Baking Substitution | Find baking substitution ratios | Substitute |
| Coffee Cost per Cup | Calculate true cost of your daily coffee habit | Cups per Day · Method · Home Cost per Cup ($) · Cafe Price ($) |
| Tea vs Coffee Cost | Compare daily tea vs coffee spending | Tea Cups/Day · Tea per Cup ($) · Coffee Cups/Day · Coffee per Cup ($) |
| Daily Sugar Intake | Track added sugar vs WHO recommendation | Age · Added Sugar per Day (g) · Weight (kg) |
| Carb Calculator | Daily carbohydrate needs | Daily Calories · Carbs % |
| Daily Fiber Need | Recommended fiber intake | Daily Calories |
| Calories per Meal | Split daily calories across meals | Daily Calories · Meals per Day · Snacks |
| Rice Water Ratio | Water needed for perfect rice | Rice (cups) · Rice Type |
| Meat Cooking Time | Roasting time for meat | Weight (kg) · Meat |
| Egg Boiling Time | Perfect egg boiling times | Egg Size · Style |
| Smoothie Calories | Calories in your smoothie ingredients | Fruit (cups) · Milk/Yogurt (cups) · Bananas · Extras (honey/nut butter kcal) |
| Protein per Dollar | Best value protein sources | Price ($) · Weight (g) · Protein per 100g |
| Sodium Intake Tracker | Daily sodium from common foods | Processed Foods (mg) · Salt Added Cooking (mg) · Restaurant Meals (mg) |
| Caffeine Calculator | Daily caffeine from drinks | Coffee (cups) · Tea (cups) · Energy Drinks · Cola (cans) |
| Pizza Calculator | Pizza per person and total cost | People · Slices per Person · Pizzas Ordered · Price per Pizza ($) |
| Meal Prep Batch Size | Batch cooking portions per recipe | Recipe Servings · Batches to Make · Days to Cover · Meals per Day |
| Added Sugar Limit | Added sugar budget and tracking | Daily Calories · Current Added Sugar (g) |
| Alcohol Calorie Calculator | Calories from ethanol in your drink | Volume (oz) · ABV (%) · Number of Drinks |
| Oven Temperature Converter | Fan vs conventional oven temps and time | Recipe Temp (°C) · Recipe Time (min) · Your Oven |
| Homebrew ABV Calculator | Alcohol by volume from original and final gravity | Original Gravity (SG) · Final Gravity (SG) |
Prefer the annotated list? Browse the full list with one line on what each calculator does.
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