It's about eight times as big as a Concrete Mixer Truck.
In other words, 769 barrels is 8.1 times the size of a Concrete Mixer Truck, and the size of a Concrete Mixer Truck is 0.12 times that amount.(a.k.a. cement mixer, a.k.a. cement mixer truck, a.k.a. cement transport truck, a.k.a. concrete mixer, a.k.a. concrete transport truck, a.k.a. in-transit mixer)(standard size; drum capacity)
A concrete mixer truck has a drum volume of up to 95 barrels. Concrete mixer trucks can be in transit for about 90 minutes before the concrete dries — if the concrete dries while in the drum, jackhammers or even dynamite must be used to remove it.
It's about one-twenty-fifth as big as a Hot Air Balloon.
In other words, the size of a Hot Air Balloon is 25 times 769 barrels.(four-person capacity; envelope volume; average)
It's about one-thirtieth as big as an Olympic Swimming Pool.
In other words, the size of an Olympic Swimming Pool is 28 times 769 barrels.(FINA regulation; (minimum capacity)
It's about one-sixty-fifth as big as The Goodyear Blimp.
In other words, the size of The Goodyear Blimp is 64.5 times 769 barrels.
It's about 100 times as big as a Hot Tub.
In other words, 769 barrels is 124 times the size of a Hot Tub, and the size of a Hot Tub is 0.00806 times that amount.(for Lifesmart Rock Solid Simplicity Plug and Play 4 Person Spa With 12 Jets) (a.k.a. Spa, a.k.a. Jacuzzi, a.k.a. Whirlpool) (Advertised Capacity)
It's about one-three-hundredth as big as The Lincoln Memorial Reflecting Pool.
In other words, 769 barrels is 0.00347 times the size of The Lincoln Memorial Reflecting Pool, and the size of The Lincoln Memorial Reflecting Pool is 288 times that amount.(Washington, D.C.)
It's about one-four-hundredth as big as The Capitol Rotunda (US).
In other words, 769 barrels is 0.0024 times the size of The Capitol Rotunda (US), and the size of The Capitol Rotunda (US) is 420 times that amount.(formally United States Capitol rotunda) (Washington, D. C.) (total chamber volume)