Net Calorie Calculator
Subtract food intake from total calories burned in n8n and log the daily net balance to a spreadsheet.
Calories and macronutrients — protein, carbs, and fat — from your food log in a connected app.
Calories and macronutrients — protein, carbs, and fat — from your food log in a connected app.
Unit: kcal + macros
Combine nutrition data with calories burned to calculate net balance, track macros automatically, and build a full nutrition history.
HC Webhook sends nutrition readings to any webhook — here are ideas to get you started.
Subtract food intake from total calories burned in n8n and log the daily net balance to a spreadsheet.
Create a Notion row for each day with protein, carbs, fat, and total calories from your food log.
Send yourself an evening notification with your macro split and whether you hit your protein target.
Email a weekly average of your calorie and macro intake to see trends in your eating patterns.
Send a notification when you hit your daily protein goal or when you are close to your calorie limit.
Build a long-term nutrition log in Airtable with daily entries for all macros and total calories.
HC Webhook posts a JSON object containing a nutrition array to your endpoint on every sync.
{
"timestamp": "2026-04-15T23:59:59Z",
"nutrition": [
{
"total_calories_kcal": 2100,
"protein_g": 145,
"carbohydrates_g": 220,
"fat_g": 72,
"time": "2026-04-15T23:59:59Z"
}
]
}Google Health Connect stores your nutrition data from compatible apps (Samsung Health, Fitbit, Garmin, and more). HC Webhook reads that data on a schedule you set and forwards it as JSON to any URL you add — n8n, Home Assistant, Zapier, or your own API.
Install HC Webhook and grant Health Connect permission for Nutrition.
Paste your webhook URL — Home Assistant, n8n, Zapier, or any endpoint.
Set your sync schedule. Nutrition readings arrive automatically, every time.
Steps
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Your heart rate readings taken throughout the day by your phone or wearable.
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Learn moreFree Android app. No account required. Data stays on your device.