Calorie Target Calculator
Multiply BMR by your activity level in n8n to calculate your maintenance calories and log it daily.
How many calories your body burns just to keep you alive each day — breathing, circulation, and all the basics.
How many calories your body burns just to keep you alive each day — breathing, circulation, and all the basics.
Unit: kcal / day
Use your BMR as the foundation for accurate calorie targets and nutrition planning across your health workflows.
HC Webhook sends basal metabolic rate readings to any webhook — here are ideas to get you started.
Multiply BMR by your activity level in n8n to calculate your maintenance calories and log it daily.
Show your BMR on a Home Assistant dashboard alongside active calories to set your eating target for the day.
Log BMR weekly to InfluxDB to see how it changes as your weight and fitness level change.
Store BMR in your Airtable or Notion health profile alongside weight, body fat, and other biometrics.
HC Webhook posts a JSON object containing a basal_metabolic_rate array to your endpoint on every sync.
{
"timestamp": "2026-04-15T07:00:00Z",
"basal_metabolic_rate": [
{ "kcal_per_day": 1820, "time": "2026-04-15T07:00:00Z" }
]
}Google Health Connect stores your basal metabolic rate 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 Basal Metabolic Rate.
Paste your webhook URL — Home Assistant, n8n, Zapier, or any endpoint.
Set your sync schedule. Basal Metabolic Rate 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.