Bananas for Scale
Keg of Beer

Photo from Wikimedia Commons

Keg of Beer

The life of every party, at roughly 72 kg/Food & Drinks

A standard US half-barrel keg holds 58.9 liters of beer, that's about 165 twelve-ounce servings. Fully loaded, it weighs around 72 kg, which is roughly the same as an adult human. This is why you always see two people carrying one and zero people carrying two.

Measurements

Beer volume5.9 hundredths m³
166Soda cans
125Solo cups
1.47Carry-on suitcases

US half-barrel: 15.5 gallons / 58.9 liters

Total mass (full)72 kg
6.4 tenthsManhole covers
720 millionthsLoaded freight cars
1.11Couches

Beer plus stainless steel shell

Height6 tenths m
12.5 millionthsBahrain lengths
12,000Plant cells
2.7 thousandthsHoover Dam heights

Standard US half-barrel

Diameter4.1 tenths m
1.1 quintillionthsOrion Nebula diameters
4.8 thousandthsOlympic straights
9.7 millionthsMarathon routes

About 16 inches across

Empty keg mass13.5 kg
45 septillionGlucose molecule weights
12.3 septillionDNA base pairs
5,400US pennies

Stainless steel shell

Serving pressure82,737 Pa
1.2 tenthsRoad bike tires
1.18Suction cups
1.2 tenthsRoad bike pressures

Typically 10-12 PSI for most ales

Total caloric energy28.1 million J
26.8Candy bars
837 octillionthsSun daily outputs
85Boiled kettles

About 165 servings at ~150 kcal each

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