Calories in pizza ... the joys of eating out

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Sep 29, 2004
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This is probably the hardest thing to track when it comes to calories.

Today, we had an 18" peperoni thin crust pizza. I ate 1/4 of it. It's hard to tell how many calories this thing has as mom and pop places don't provide nutritional information. And not to mention, every place uses different amounts of cheese, peperoni, dough and god knows what's in the sauce (sugar?).

FWIW: all large pizzas in my area are 18".

Sweet delicious pizza, how I hate you.

Anyway .... calories. I think 1/4 of one of these pizzas is anywhere from 800 to 1200 calories. And in all honesty, I figure in the 1000-1100 calories range.

Ways I think about it. It's a much smaller pizza, but a Freshetta pepperoni pizza is a total of 2040 cals. sourece: https://www.freschetta.com/naturally-rising-pizza.htm I figure that an 18" thin crust is close to 1/2(1020 cals) of these Freshettas and definietly not anywhere near 2/3 (1530 cals) of one.

I also skim around the internet checking mutliple sources in a similar manner. I try places I know like Pizzahut.com and just general info(somenutritionsite.com).

Has anyone else gone through this to try and figure out what your local pizza place is giving you calorie wise? if so, chime in!

PSA: Pizza is not healthy ... I know.
 

smackababy

Lifer
Oct 30, 2008
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I've always wanted to go with some intermittent fasting and simply eat like a whole pizza for my meal or something. Get all my calories for the day in the worst possible way.
 

Nebor

Lifer
Jun 24, 2003
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It sounds like you can estimate within 300 calories or so, so I don't see the problem. In general, people that need to count calories shouldn't eat at places where they can't count the calories though. It enables them to "cheat" and claim ignorance.
 

jaedaliu

Platinum Member
Feb 25, 2005
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Using Wild Ass Guessing, sight unseen, I'm going to assume that your pizza is similar to a Pizza Hut Thin 'n Crispy pizza.

Their 14" large pepperoni is 280 calories/serving * 8 servings/pie.

Your ratio of diameters is 18/14

We'll assume uniform thickness, so volume ratio will be the square of the linear measurement ratio.

consumed calories: 1/4 pie * 8 servings/pie * 280 calories/serving * (18/14)^2

925 calories. Sounds like your 1000 calories is a reasonable estimate.

My bigger concern would be the 43% of calories from fat.
 

alkemyst

No Lifer
Feb 13, 2001
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It sounds like you can estimate within 300 calories or so, so I don't see the problem. In general, people that need to count calories shouldn't eat at places where they can't count the calories though. It enables them to "cheat" and claim ignorance.

QFT.

It should be relatively easy to estimate just based on 'pizza' being out there calorie-wise on many charts. If you are on a strict diet, lean to the highest calories values given.

Pizza actually isn't a bad food especially post workout, but most pizza places aren't making 'real' pizza. It's all fake/low quality ingredients.
 

z1ggy

Lifer
May 17, 2008
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Best you can do is guess really. Like the other guy said, you'll probably come pretty close.

Just use google for things like, "how many cups of sauce on pizza" and do some digging from there.

You can probably get a very accurate guess on how much dough, sauce, cheese etc was put on there, then use a fitness app like MyFitnessPal to see roughly how many calories it was.
 

smackababy

Lifer
Oct 30, 2008
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I always make my own pizza so it isn't hard to find out the calories. My GF mistakenly bought the turkey pepperoni at the store the other day though, so I had to settle with that nonsense. Actually, it wasn't that bad and 17 slices is 70 calories.
 
Sep 29, 2004
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Thanks for all the input. Seems my numbers are decent anyway.

A bit high on fat in the pizza though. Should be fine overall though ... I try to have salads for lunch.
 
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