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Weight Watchers - John C. Kirk — LiveJournal

May. 8th, 2006

11:15 am - Weight Watchers

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Date:May 8th, 2006 02:01 pm (UTC)
Calories Per Hour has a BMR calculator which tells you approximately how many calories you burn in a day just to keep your body ticking over, along with a chart that estimates how many calories you need to eat to maintain your weight given different levels of activity.

So for example, at my height, weight, age, and gender, I need to eat about 1400kcal/day just to stay alive. Given that I lead a moderately active lifestyle, I need to eat ~2000kcal/day to maintain my weight.
If I lost 10kg, my BMR would go down to 1300kcal/day, and I would need to eat ~1850kcal/day to maintain my weight, given the same lifestyle. That's still a lot more than what I would be eating on a diet (probably 1200kcal/day).

Have a go at calculating your BMR at your goal weight, and compare it to your current daily calorie allowance. You'll probably find that you'll be able to eat rather more when you're off the diet. :) Although remember to up the calories slowly, since otherwise your metabolism won't catch up in time and you'll pile on the kgs.
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Date:May 8th, 2006 09:29 pm (UTC)
Ah yes, my bathroom scales do something like that - they know my gender/age/height, and they output my current mass/body fat along with two extra figures in joules/calories. I'm not entirely sure what the last two figures mean; presumably it's either the amount that I should eat to maintain my current weight, or the amount that they think I should eat in order to slim down. (It's been a while since I looked at the instruction manual.) Anyway, I'm ignoring them for now, since I don't want to maintain my current weight and I'm using the WW plan to lose weight, but they may be handy in the longer term.
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