How much ice do you need for a party?

Quick answer: plan on 1 lb of ice per guest just for drinks. If you're also icing down cans and bottles in coolers or tubs, add ½ lb per guest — call it 1½ lb per person for a typical outdoor party. Ice usually comes in 10-lb bags.

Ice chart by guest count

Guests	Drinks only (lb / 10-lb bags)	Drinks + coolers (lb / bags)
10	10 lb / 1 bag	15 lb / 2 bags
20	20 lb / 2 bags	30 lb / 3 bags
25	25 lb / 3 bags	38 lb / 4 bags
30	30 lb / 3 bags	45 lb / 5 bags
50	50 lb / 5 bags	75 lb / 8 bags
75	75 lb / 8 bags	113 lb / 12 bags
100	100 lb / 10 bags	150 lb / 15 bags

When to buy more than the chart

• Hot weather. A summer afternoon outdoors — especially in the South — can melt half a cooler before the burgers are done. Add a bag or two; unopened bags keep in the freezer for next time.
• Long events. Past about four hours, melt and refills add up. Scale up roughly with the drinks, not the guest count alone.
• Warm drinks going in. Chilling room-temperature cases takes far more ice than keeping cold drinks cold. Pre-chill drinks in the fridge the night before and your ice lasts twice as long.
• Ice is also an ingredient. Blended drinks, iced tea by the pitcher, and seafood or salad bars sitting on ice all draw from the same bags.

Ice handling tips that actually matter

• Keep drink ice and cooler ice separate — nobody wants cooler water in their cup. Use a scoop, not hands.
• Keep one or two bags unopened in a cooler as your reserve; an unopened bag melts far slower than loose ice.
• Buy ice last on your store run, and transport it in a cooler, not the trunk.
• Ice is the cheapest insurance at a party. Running out of almost anything else is forgivable; running out of ice on a hot day is the thing guests remember.

Ice is one line of the whole shop. The planner works it out alongside the food and drinks for your exact guest count and event length:

Plan the whole party — free planner

Common questions

How many bags is that at the store? Most gas stations and grocery stores sell 10-lb bags (some sell 7-lb and 20-lb). The chart above is in 10-lb bags, always rounded up — you can't buy half a bag, and you wouldn't want to.

Does the 1 lb rule include kids? Roughly, yes — kids drink from cups all day too. The planner counts every guest for ice, unlike food portions where kids count as half.

What about a wedding or formal bar? Bartenders plan more ice per drink (fresh ice per cocktail). For a full cocktail bar, lean toward 2 lb per drinking guest.