Beer Calculator – Party Planner

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Estimate how much beer you need by guest type, event duration, and whether other drinks are served. Adjust assumptions in Advanced Settings.

Inputs

Light drinkers

Occasional sippers

Average drinkers

1 drink/hr baseline

Heavy drinkers

Will drink more than average

Event duration (hours): 4 h

Share of guests drinking beer (%)

Exclude kids/abstainers by lowering this

Other beverages served?

This reduces beer consumption via a multiplier

Serving size

Used for showing # of servings

Advanced Settings (assumptions)

Light drinks / hr

Average drinks / hr

Heavy drinks / hr

Other drinks multiplier

Safety buffer (%)

One "drink" equals (L)

0.33 L = 330 ml can; adjust if you prefer

Show bottle/can sizes

All results are estimates. Drink responsibly.

Results

0.0 L

Total beer incl. buffer

Servings of 0.5 L

Keg suggestion

20 L

0 × 20 L

30 L

0 × 30 L

50 L

0 × 50 L

Packages

0 × 0.5 L bottles

0 × 0.33 L cans

How we calculate: total drinks = Σ(guests × rate × hours) × beer-share × other-drinks-multiplier. Convert drinks → liters, then add safety buffer. Adjust any assumption above to fit your crowd.