Net Calorie Calculator
Subtract food intake from total calories burned in n8n and log the result daily to a spreadsheet.
Total calories your body burned in a day — including your resting metabolism plus all movement.
Total calories your body burned in a day — including your resting metabolism plus all movement.
Unit: kcal
Use total energy expenditure to calculate accurate calorie targets, balance intake against output, and track it alongside nutrition data.
HC Webhook sends total calories readings to any webhook — here are ideas to get you started.
Subtract food intake from total calories burned in n8n and log the result daily to a spreadsheet.
Show total burn vs. intake on a Home Assistant dashboard to stay on track throughout the day.
Send a nightly notification with total calories burned and how it compares to your goal.
Average your daily total burn over the week and adjust your calorie targets accordingly.
When total burn exceeds a threshold, trigger an n8n flow to remind you to eat more protein.
Store total calories alongside sleep, steps, and weight in Airtable for a complete daily health record.
HC Webhook posts a JSON object containing a total_calories array to your endpoint on every sync.
{
"timestamp": "2026-04-15T23:59:59Z",
"total_calories": [
{
"kcal": 2340,
"start_time": "2026-04-15T00:00:00Z",
"end_time": "2026-04-15T23:59:59Z"
}
]
}Google Health Connect stores your total calories 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 Total Calories.
Paste your webhook URL — Home Assistant, n8n, Zapier, or any endpoint.
Set your sync schedule. Total Calories readings arrive automatically, every time.
Steps
Your total step count for the day, recorded by your phone or wearable.
Learn moreSleep
How long you slept and your sleep stages — light, deep, and REM — from the night before.
Learn moreHeart Rate
Your heart rate readings taken throughout the day by your phone or wearable.
Learn moreHeart Rate Variability
How much time varies between your heartbeats. Higher HRV generally means better recovery and lower stress.
Learn moreFree Android app. No account required. Data stays on your device.