If I cut out 1,000 calories a day...

[Mummyteachmummy]

How much weight could I lose in a month?

I currently weigh about 10 1/2 stone at 5.5 and I've just realised I'm probably consuming an extra 1,000 a day though stupid snacking habits; addiction to chocolate frappucinos (always large size!) for starters.

I've just signed up to MFP and it's given me 1,200, but my question is, does it really work like this or could I continue to eat lots e.g. 1,800 (I swear my current snacking must mean i'm currently on about 2,800! , but because it's still significantly less for me lose weight quickly (for a wedding in a month)? iyswim?!

Any experiences?

It depends. You just need to eat fewer calories than you burn.

If you cut out all the crap you will definitely lose weight!

I average at 1650 a day (I do 5:2 and am moderate the rest of the time) and I am loosing weight steadily.

Generally a deficit of 3500 calories will equal a pound of weightloss, so you'd be looking at around 2 lbs per week. But I really doubt you are eating as much as 2800 at that height/weight, unless you have only recently started started doing so.

You can't, physiologically, lose more than about 2lbs of fat a week - any more than that and you are losing water. If you cut your calorie intake dramatically your metabolism will slow down and you will pile it back on again when you go back to a 'normal' diet.

You need a deficit of 500 a day to lose 1lb a week but you shouldn't go under 1200 net. So if you currently eat 2800 but your TDEE is 2000 then going down to 1800 won't make you lose 1lb. If your TDEE is 1800 you can't lose 2lb a week as that would mean dropping to 800 a day which is massively unhealthy.