How Many Slabs of Ribs to Feed 100? (Cooking for Crowds)

You’ve done it! You’ve committed to throwing that big party or event that will be one for the books. You’ve chosen an undeniably crowd-pleasing menu – succulent, finger-licking good ribs. Now, just one little gray area stands between your dream party and you – how many slabs of ribs to feed 100?

How many slabs of ribs to feed 100? All you need to know

This comprehensive guide aims to break down the factors that affect the “how much” equation, so you can get to the details and amply satisfy your guests. From understanding the size of the average rib slab to estimating based on the type of event and the side dishes, we’ve got you covered.

How many slabs of ribs to feed 100? 

In general, the number of slabs of ribs needed to feed 100 people can depend on various factors. Assuming that a full rack of pork ribs typically feeds around three adults, we would need approximately 33 slabs for 100 people. If you opt for smaller-sized baby back ribs, the number may increase to around 50 slabs.

However, these numbers can significantly vary based on whether the ribs are served as a main course or appetizer and the overall appetite of the attendees. The number of sides served can also impact the number of ribs needed.

Lastly, a handy tool to consider for future planning would be, for instance, the Pork Rib Calculator, which allows you to input the number of servings and serving sizes to find out the number of ribs required.

Breaking Down the Beef & Pork Ribs Servings Debate: A Detailed Guide

When figuring out portions for a crowd, it’s important to plan for a crowd with varying appetites. Understanding different types of ribs and their servings will satisfy your guests and prevent food wastage. Let’s dig deeper into what each type of rib offers and how it does on the platter.

Breaking Down the Beef & Pork Ribs Servings Debate- A Detailed Guide
Breaking Down the Beef & Pork Ribs Servings Debate: A Detailed Guide

How Many Does a Full Slab of Ribs Feed?

A full slab of ribs, generally 12-13 ribs, should ideally serve two people if they are the type to enjoy a hearty meal. Suppose you are planning an extensive menu with multiple accompaniments. In that case, one slab could provide satisfying portions for 3 – 4 people. After all, the sumptuous sides and mouth-watering desserts consume room in the stomach!

How Many People Will 3 Racks of St Louis Ribs Feed?

Named after the city of St. Louis, where they were first marketed, these ribs are known for their meatiness and larger size. A single rack usually has around 12-13 bones and should provide a substantial serving for 2 – 3 people. So, if you’ve got 3 racks of St Louis ribs on the grill, you should comfortably be dishing out finger-licking servings for 6 – 9 fans of this succulent delight.

How Much Does a Slab of Pork Ribs Feed?

Not all pork ribs are created equal. The slab size and the meat can vary greatly with the rib type. Larger types, like Spare ribs or St. Louis ribs, with 11 – 13 ribs per slab, can normally fill 2 – 3 people. Baby back ribs, which are smaller and leaner in comparison, might require 1 slab per person if they’re the star of your meal. So a bit of knowledge about which rib is on your shopping list can help you plan servings accurately.

1 Pound of Ribs Feeds How Many People?

When purchasing ribs, it’s common to go by weight. The general thumb rule tells us that for each pound of ribs, we’re looking at 1 meal for a heavy eater or 2 smaller meal portions for lighter eaters. This estimation, however, assumes that the 1-pound serving is pure meat and doesn’t account for the bone. So, if your ribs have a larger bone content, you may want to purchase more.

1 Pound of Ribs Feeds How Many People
1 Pound of Ribs Feeds How Many People?

As much as these guidelines come in handy, remember that the amount you cook should also depend on who you’re feeding. If you know your guests have a larger appetite or particularly enjoy ribs, and you might want to serve more. It’s always better to have leftovers than run out of food—especially regarding grilled ribs!

You May Also Find Useful: Prime Rib vs Ribeye Comparison | Bone In vs Boneless Ribeye Comparison


When planning a BBQ party or event for 100 people, determining the number of slabs of ribs to be prepared can be intimidating. Different factors like the size and type of ribs, the side dishes, and your guests’ appetites all play a crucial role in making that decision. This article aimed to provide you with general guidelines and an understanding of how ribs differ so that you can make informed decisions and avoid food wastage or shortages.

Remember that while estimates like 33 slabs for pork ribs or 50 slabs for baby back ribs can serve as a starting point, always consider the proportions and preferences of your guests and the variety of your menu before making the final call. Happy cooking, and here’s to many delicious and successful events!

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