A heart rate monitor with calorie counter is a must if you are training for weight loss since being able to count approximately how much calories you have burnt will be important for you.
Some heart rate monitors let you know how many calories you have burnt while you are still exercising. This feature is useful if, for example, you start to work out on a piece of equipment in the gym and you want to stop only after you have used up 200 calories. It allows you to check, in real time, how many calories you have burnt so far.
Some other ones tell you your calories consumed only at the end of your exercise when you review the summary of your session.
Here is a list of the heart rate monitors with calorie counters that have been featured on this web site. It is not an exhaustive list.
The list above is large as it stands. It is still not terribly helpful. This list will be narrowed down to include the more popular and/or well-regarded ones for each of the following categories.
Note that it does not mean that the other monitors are not worth your consideration. They all have many other strengths. This shortened list is intended to provide the starting point of your investigation, especially if you are short of time.