average cals per gram

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So we know food/drink has calories, yes? If we are lucky, we know what calories are in most things we eat, but is there a ratio of calories to grams we can use to log unknown calories/meals?

I ask because I got takeaway noodles from a place that has no online menu to gauge calories and the menu instore didn't have anything either. As the weight of this box of noodles was about 500 grams, I've allowed 1.5 cals per gram. I didn't weigh it. At a total calorie cost of 750 for a box of take away noodles, this seems a reasonable ratio.

Yes, I realise lettuce is going to have less cals per gram than steak. Just generically, to better log these types of food.

Replies

  • amnsetie
    amnsetie Posts: 666 Member
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    I just guess the recipe and recreate it in the recipe tool.
    add oil for the cooking

    This is what I did for the stir fry lunch I often eat.
  • Rilke
    Rilke Posts: 1,201 Member
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    I've allowed 1.5 cals per gram.

    Carbohydrates and protein have about four calories per gram. Fat has nine. Sounds like you are underestimating.

    Edit: Though any water content adding to the weight obviously does not add calories. That's why lettuce (to use your example) is so low in calories -- it's 95% water.