Am I double logging my calories burned?

I recently started going to the gym and I work out four days a week. I changed my BMR setting from sedentary to lightly active. Do I still need to log the exercise that I do? Or does the BMR setting guess at that for me? How can most accurately log how many calories I burn?


  • To enter your exercise, you have a couple of options. Make sure you have set the appropriate activity level to account for your exercise tracking:
    You can set your activity level on your profile tab based on how you would like to track your activity. You can do this a couple of ways. You can:

    • Estimate your activity level and exercise: Choose the most appropriate level that we have listed for ALL your daily activities

    • Log your activity level separately: Use our activity library to manually log the exercise you do by selecting the "Add Exercise" button at the top of the diary. (

    • Use an activity tracker: This is the most accurate and arguably the easiest way to log your activity. Sync your wearable activity tracker to Cronometer in the profile tab of your account (Scroll down to devices) to view the different types of wearables that we support. If you wear your device all day, set your activity level to "None" as your device will import the appropriate number of calories for daily burned and separate activities. If you only wear your device for exercising, set your activity level to "Sedentary".

    As always, any and all postings here are covered by our T&Cs:

  • I have an iwatch that doesn’t connect. I do. have the apple health app. Does this count as a fitness tracker and I should check no activity? I have been moderate activity and health app.

  • Hello @Swp ,

    By iWatch do you mean an Apple Watch? Your Apple Watch will send the data to your Apple Health app on your iPhone.

    You can link Cronometer to Apple Health by going to the Settings tab on your mobile app and selecting Connect Apple Health under Settings. Once you have connected your Apple health account, you will have the option of back-filling past data into your Cronometer diary.

    Learn more about syncing with Apple Health here:

    Your Apple watch will track your general activity, so you should set the activity level to None.


    As always, any and all postings here are covered by our T&Cs:

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