Non-Alcoholic Drinks Calculator

Soda, juice, punch, water and mocktail supplies for a dry event — worked out by guest count and hours, in the bottles, cartons and packs the shop actually sells.

Dry events run through more drinks than people plan for. Nobody nurses a single glass for an hour, so consumption sits near one serving per adult per hour and higher for children. The most common mistake isn't variety — it's simply running out. Buy for the full run time, not the first hour.

Counted at 1.2 servings an hour — more often, smaller amounts.

You need

— drinks to pour

Enter your guest count

Shopping listAmount
Mixers—
Syrups / cordials—
Citrus—
Garnishes—
Soda—
Juice—
Punch—
Water—
Ice—
Cups—
Estimated drinks budget—

How Much to Buy

The planning rate is one 8 oz serving per adult per hour, and 1.2 for children. Kids come back to the table more often in smaller amounts, and a dry event runs faster than people expect — there's no slow sipping, so the table empties steadily.

  1. Total servings = adults × hours + kids × 1.2 × hours. Everything else is a split of that number.
  2. Convert to packaging, not ounces. A 2 L bottle is 8.5 servings, a 64 oz carton is 8, a gallon of punch is 16.
  3. Water is a third of it. Genuinely — people drink far more water at a dry event than at one with a bar, and it's the cheapest thing on the list.
  4. Two cups per guest. People put a cup down, lose it, take another. Caterers just plan for it.

The formulas

Servings = adults × hours + kids × 1.2 × hours
2 L bottles = ceil(servings ÷ 8.45) · Punch gallons = servings ÷ 16

Worked example — 30 adults, 10 kids, 3 hours: 126 servings → about 6 × 2 L of soda, 4 juice cartons, 38 bottles of water, 0.8 gallons of punch, 60 lb of ice and 80 cups.

Running a Mocktail Bar

Per drink, plan about 4 oz of mixer (club soda, tonic, ginger ale), 1 oz of syrup or cordial, and a garnish. That means a 750 ml syrup bottle makes roughly 25 drinks and a 2 L mixer makes about 17.

Two or three combinations beat a dozen. A long menu slows the queue, confuses people who just want something nice in a glass, and leaves you with half-used bottles. Pick a citrus one, a sweet one, and something with ginger — that covers most preferences.

Serve them in real glassware with a proper garnish. The difference between a mocktail and a soft drink is almost entirely presentation, and it matters to guests who aren't drinking.

Quick Reference by Guest Count

Party mode, about one 8 oz serving per adult per hour over four hours (kids drink more per hour — add them in the calculator): Every row is the calculator above at its default settings.

AdultsDrinks to pour
1030
1545
2060
2575
3090
40120
50150
75225
100300
150450
200600

Getting It Right

Frequently Asked Questions

How many drinks per person?

About 1 serving per adult per hour, 1.2 for kids. 40 guests × 3 hours ≈ 126 servings.

How much punch for a party?

A gallon is 16 servings. As one option among several it covers ~10% of the total.

How much soda for 50 guests?

About 8 × 2 L for a 3-hour party. A 2 L bottle is ~8.5 servings.

What do I need for a mocktail bar?

~4 oz mixer, 1 oz syrup and a garnish per drink. A 750 ml syrup makes ~25; a 2 L mixer ~17.

How much ice?

1.5 lb per guest — more for a mocktail bar. See the ice calculator.

How many cups?

Two per guest. Writing names on them cuts that down.

How many non-alcoholic drinks do I need for 20 people?

For 20 adults over a four-hour party, plan about 60 eight-ounce servings of soda, water, punch or mocktails — 20 guests over 3 hours. Sealed cans and bottles are returnable, so round up generously on those.

How many non-alcoholic drinks do I need for 50 people?

For 50 adults over a four-hour party, plan about 150 eight-ounce servings of soda, water, punch or mocktails — 50 guests over 3 hours. Sealed cans and bottles are returnable, so round up generously on those.

How many non-alcoholic drinks do I need for 100 people?

For 100 adults over a four-hour party, plan about 300 eight-ounce servings of soda, water, punch or mocktails — 100 guests over 3 hours. Sealed cans and bottles are returnable, so round up generously on those.

Built and maintained by PartyQuik. Last reviewed August 2026. Serving sizes use the standard 8 oz soft-drink pour; consumption rates follow common event-catering practice. Found an error? Tell us — we fix fast.

References

  1. Penn State Extension — planning food and drink for crowds: extension.psu.edu
  2. FoodSafety.gov — cold storage and holding: foodsafety.gov

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