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How many calories in a buttery jack combo?

With its mouthwatering burger patties, crispy buttery bread, and indulgent sauces, a Buttery Jack combo from Jack in the Box is a tempting fast food choice. However, like most restaurant meals, this combo packs a hefty calorie punch that dieters need to be aware of.

What’s in a Buttery Jack combo?

A Buttery Jack combo includes the following:

  • Buttery Jack burger
  • Medium fries
  • Medium soft drink

Let’s break down the calorie count of each item:

Buttery Jack burger

The Buttery Jack is Jack in the Box’s signature burger. It features two beef patties, slices of melted butter that have been toasted into the bun, mayonnaise, lettuce, tomato, pickles, and onions on a toasted gourmet bun.

Here are the nutrition facts for a Buttery Jack:

Calories Fat Carbs Protein
790 43g 46g 39g

As you can see, the burger alone contains 790 calories, which is about 40% of the recommended daily calorie intake for most adults.

Medium fries

Jack in the Box’s medium fries contain about 415 calories. They’re made from potatoes fried in vegetable oil and are seasoned with salt.

Medium soft drink

A medium (21 oz) soft drink from Jack in the Box delivers about 250 calories. This can vary slightly depending on if you choose a regular, diet, or zero sugar variety.

Total calories in a Buttery Jack combo

Adding up the individual items, we can estimate the total Buttery Jack combo calories as follows:

  • Buttery Jack burger: 790 calories
  • Medium fries: 415 calories
  • Medium soft drink: 250 calories

So the total calorie count comes to:

Buttery Jack burger: 790 calories

+ Medium fries: 415 calories

+ Medium soft drink: 250 calories

= Total calories: Around 1,455 calories

That’s a hefty calorie count for one meal! To put it in perspective, that’s about 72% of the 2,000 daily calories recommended for the average moderately active adult.

Ways to reduce the calories in your Buttery Jack combo

If you want to enjoy a Buttery Jack combo but avoid going way over your calorie allotment, there are some tweaks you can make:

  • Size down your soft drink to a small, which cuts around 100 calories.
  • Choose a diet soft drink to eliminate those calories.
  • Skip the fries and order a side salad instead.
  • Ask for a lettuce wrap instead of a bun to slash carbs and calories.
  • Order a single patty Buttery Jack to cut the burger calories in half.
  • Share your fries with a friend.

With some simple modifications, you can craft a lower calorie Buttery Jack meal that still satisfies your cravings.

Health impact of a high calorie Buttery Jack combo

While an occasional splurge on a calorie-laden meal is unlikely to harm your health, making a habit of consuming 1,000+ calorie fast food combos can take its toll over time.

Potential downsides of frequent high calorie meals include:

  • Weight gain – Too many calories leads to excess body fat storage.
  • Heart disease risk – High calorie meals often contain a lot of saturated fat, sodium, and cholesterol that negatively impact heart health.
  • Type 2 diabetes risk – Excess calories and body fat increase insulin resistance.
  • High blood pressure – Sodium-heavy diets from fast food cause blood pressure to rise.
  • Inflammation – Processed foods and high fats or sugars in fast food meals trigger inflammation.
  • Low energy – Spikes and crashes in blood sugar from high carb meals lead to fatigue.

On occasion, a splurge meal won’t do major damage. But consistently choosing extra-large combos stacks the dietary deck against you. Being mindful of calories and portions is key.

How many calories should you eat per day?

So how many calories should you aim to stay within on a daily basis? The number can range based on factors like:

  • Age
  • Sex
  • Height and weight
  • Activity level
  • Goals for weight loss or maintenance

As a general rule, the recommended daily calorie intake for adults is:

  • Women: 1,600-2,400 calories
  • Men: 2,000-3,000 calories

However, your specific needs may be higher or lower. To determine your calorie needs, you can use an online calorie calculator and enter details like your current weight, activity level, and weight goals.

Tips for sticking to your daily calorie needs

Reining in your calorie intake takes work, especially when tempting fast food combos are everywhere. Here are some effective strategies to employ:

  • Plan your meals ahead of time.
  • Portion your snacks into bags or containers.
  • Load up on low calorie fruits and veggies.
  • Choose lean proteins like chicken, fish, and beans.
  • Hydrate with calorie-free drinks like water and unsweetened tea.
  • Read nutrition labels to compare food choices.
  • Use a calorie counting app to stay on track.
  • Allow yourself a small treat daily to prevent bingeing.
  • Learn simple lower calorie cooking swaps.

With a combination of planning, strategic food choices, and moderation, you can enjoy the occasional indulgent combo while still minding your daily calorie allotment.

Healthier fast food options

If burgers and fries have you straying too far over your calorie budget, there are some healthier fast food options to consider instead:

  • Grilled chicken sandwich or wrap
  • Salmon or grilled shrimp
  • Veggie burger with sweet potato fries
  • Salad with low-fat dressing
  • Baked potato and toppings
  • Oatmeal with berries
  • Yogurt parfait
  • Fruit smoothie

Most fast food chains now offer lighter menus with nutritional information posted to help health-conscious diners. You can definitely satisfy a fast food craving without torpedoing your diet!

Should you give up fast food combos entirely?

Giving up indulgent fast food combos doesn’t have to be an all-or-nothing proposition. Completely restricting your favorite foods can often backfire, leading to out-of-control bingeing when your willpower slips.

The healthiest approach is practicing moderation. Build the majority of your diet around wholesome, nutrient-rich foods that align with your calorie needs. Then work an occasional fast food cheat meal into your week without guilt. Split a combo, get a lighter menu item, or downsize your portions to keep calories in check.

By being mindful of portions and nourishing your body with mostly healthy foods, you can absolutely achieve your health goals without having to say goodbye to combos forever.


A Buttery Jack combo from Jack in the Box packs a caloric punch, with a total of around 1,455 calories. While the occasional indulgence won’t doom your diet, making a habit of such high calorie fast food meals can lead to weight gain and other health issues over time.

Pay attention to portion sizes, make simple swaps to cut calories, and balance fast food with plenty of nutritious meals. This approach allows you to satisfy your cravings and stick to your daily calorie needs for better health.