Tuesday Tip: Portion Sizes — How Much Food to Buy for a Crowd
Knowing how much food for a crowd you actually need is the Tuesday tip I wish someone had handed me years ago — because if you have ever stood in your kitchen making a meal for a crowd and thought “how much of this do I even need?”, you are not alone, and you do not have to guess anymore. After years of feeding my family of seven plus whatever crowd shows up at my table, I have a handful of per-person numbers I plan around every single time, and once you know them, the guesswork is gone.
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Watch the full video above — or keep reading below.
The panic almost always comes from the same place — not knowing the numbers. Once you have a few reliable per-person amounts in your back pocket, you can walk into the grocery store, multiply by how many people you are feeding, and walk out with exactly what you need. No overbuying, no coming up short, no last-minute trip back. These are the serving sizes I plan around, and they have never let me down.
How Much Food to Buy Per Person — The Numbers I Plan Around
Rice or grains — ¼ cup dry per person. That quarter cup of dry rice or grains cooks up to about ¾ cup, which is one good serving. So if I am feeding twelve people, I start with three cups of dry rice and I know everybody gets a real helping.
Pasta — 2 ounces per person. This is the one that makes shopping easy: a standard 16-ounce box of pasta feeds about eight people. Feeding sixteen? Grab two boxes. It is the simplest math on this whole list.
Potatoes — one medium potato, or about ½ pound, per person. Whether you are baking, mashing, or roasting them, plan on one medium potato each. For sixteen people that is about eight pounds, which is roughly one standard bag.
Rolls — one to two per person. One per person is the floor; two is the safe bet if bread disappears at your table the way it does at mine. I almost always plan for two.
Vegetables and salad — 1 cup of veggies, or 1½ cups of salad, per person. Cooked vegetables settle to about a cup per serving, and leafy salad needs a little more room, so I bump it up to a cup and a half. That keeps the side of the plate as full as the main.
If you want to go deeper, the Old Farmer’s Almanac keeps a handy party-planning chart that lines up closely with how I shop. But honestly, the five numbers above will carry you through almost any gathering you throw.
How Much Food for a Crowd — By Headcount
Here are those same numbers already multiplied out. Find your headcount, read down the column, and buy that. This is for a full dinner with sides, counting adults.
| Feeding… | 8 people | 12 people | 16 people | 20 people | 24 people |
|---|---|---|---|---|---|
| Boneless meat (chicken, beef, pork) | 4 lb | 6 lb | 8 lb | 10 lb | 12 lb |
| Bone-in meat (ribs, whole chicken) | 8 lb | 12 lb | 16 lb | 20 lb | 24 lb |
| Rice or grains (dry) | 2 cups | 3 cups | 4 cups | 5 cups | 6 cups |
| Pasta (dry) | 1 lb | 1½ lb | 2 lb | 2½ lb | 3 lb |
| Potatoes | 4 lb | 6 lb | 8 lb | 10 lb | 12 lb |
| Salad greens | 12 cups | 18 cups | 24 cups | 30 cups | 36 cups |
| Dinner rolls | 12 | 18 | 24 | 30 | 36 |
Count each kid as half an adult, and if you want zero chance of running out (or you love leftovers like I do), just read one column to the right.
Now — if you are anything like me and your eyes glaze over the second math walks into the room, I have something for you. My husband Jason sat down and did all of it for us. He built a printable with this whole chart plus the things I left off it here — gravy, dessert, appetizers, drinks, and ice — and a Scale-It-Up cheat sheet on the back, so there is nothing left to figure out.
How Much Food for a Crowd — The Questions I Get Every Time
How much food do I need per person for a crowd?
A good rule of thumb is about one to one and a quarter pounds of total food per adult — that is everything on the plate combined, not a pound of meat each. From there I break it down by item: a serving of rice is ¼ cup dry, pasta is 2 ounces, and one medium potato per person. Start with the per-item numbers and you will land right in that range.
How much rice or pasta should I make per person?
For rice, plan ¼ cup dry per person, which cooks up to about ¾ cup — a proper serving. For pasta, it is 2 ounces per person, so one 16-ounce box feeds about eight people. Those two numbers alone cover most of the meals I make for a crowd.
How many potatoes should I buy for a big group?
Plan on one medium potato, or about half a pound, per person — whether you are mashing, roasting, or baking them. For sixteen people that works out to roughly eight pounds, which is about one standard bag. Buy the bag, and you are covered.
Does this Tuesday tip on portion sizes work for a buffet or potluck?
It does. The per-person numbers in this Tuesday tip on portion sizes are the same whether you are plating dinner or setting out a buffet — though for a buffet I nudge the sides up a little, since people serve themselves and tend to take more. When in doubt, round up; leftovers are never a tragedy at my house.
How do I know how much meat to buy for a crowd?
Meat is where most people overspend or come up short. I buy ½ pound of boneless meat per adult, which cooks down to about 6 ounces on the plate, or 1 pound per adult for bone-in cuts like ribs or a whole chicken. Count each kid as half an adult. The chart above has it worked out for 8 to 24 people, and the free printable has it ready for the fridge.
How much meat do I need for 20 people?
For 20 adults, buy about 10 pounds of boneless meat — chicken, beef, or pork — or about 20 pounds of bone-in meat like ribs or whole chickens. If some of the 20 are kids, count each one as half an adult and buy a little less.
📅 New here?
Every Tuesday Tip I have shared lives on my Tuesday Tips page — sorted by what you need, from feeding a crowd to stretching the grocery budget.
More Tuesday Tips You’ll Love
- Tuesday Tip: Feeding a Crowd — How to Feed 10 People on One Pound of Meat — once you know your portions, this is how you stretch the meat to cover everybody.
- Tuesday Tip: Strategic Sides — How to Stretch Any Meal and Feed a Big Family on a Budget — the cheap pantry sides I lean on to fill plates without buying more protein.
- Tuesday Tip: Pork Loin — One $19 Costco Loin, Four Dinners for My Family of Seven — once you know how much meat you need, this is how you buy it for the least money.
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Every Saturday morning I send a printable meal plan and full grocery list — the whole week, formatted for the fridge and the grocery run — plus new recipes and whatever’s happening at the Longstreth house. Drop your email below and I’ll save you a seat.
Tuesday tip: portion sizes — About Stephanie’s Tips
Stephanie Longstreth is the home cook, mom, and storyteller behind StephanieCooksForACrowd.com. She cooks for a family of seven in Florida — five kids, two cats, and one husband who appreciates a good meal. Four of her children came home through adoption, and family stories are woven into everything she makes and shares. Find her crowd-friendly recipes, weekly meal plans, and real family life on TikTok, Instagram, YouTube, and Pinterest @stephaniecooksforacrowd.
