How heavy is 7 ounces?
It's about as heavy as a Hamster
The weight of a Hamster is about 7 ounces.
(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
It's about one-and-one-fifth times as heavy as a Billiard Ball
The weight of a Billiard Ball is about 5.750 ounces.
(American-style, WPA specifications)
It's about one-and-one-fifth times as heavy as a Hockey Puck
The weight of a Hockey Puck is about 5.750 ounces.
(Ice hockey)
It's about one-and-one-third times as heavy as a Baseball
The weight of a Baseball is about 5.1250 ounces.
(MLB rules)
It's about one-and-a-half times as heavy as a Battery (D)
The weight of a Battery (D) is about 4.760 ounces.
(Alkaline)
It's about two-thirds as heavy as a Human Heart
The weight of a Human Heart is about 11 ounces.
(human; adult)
It's about three-fifths as heavy as a Can of Soup
The weight of a Can of Soup is about 12 ounces.
(for Campbell''s Condensed Tomato Soup, 317.9 ml)
It's about half as heavy as an American Football
The weight of an American Football is about 14.50 ounces.
(a.k.a. "pigskin") (NFL standard)
It's about two times as heavy as a Deck of Cards
The weight of a Deck of Cards is about 3.30 ounces.
(ISO 216 B8 size, a.k.a. "poker size" 63 x 88 mm, 52-card deck)
It's about half as heavy as a Football (Soccer Ball)
The weight of a Football (Soccer Ball) is about 15 ounces.
(a.k.a. Soccer, a.k.a. Association Football) (FIFA Law 2 specification)
It's about three times as heavy as a Battery (C)
The weight of a Battery (C) is about 2.30 ounces.
(Alkaline)
It's about one-third as heavy as a Basketball
The weight of a Basketball is about 22 ounces.
(NBA official ball standards, Size 7)
It's about three-and-a-half times as heavy as a Tennis Ball
The weight of a Tennis Ball is about 2.04 ounces.
(ITF Standard; for Type 2 ball)
It's about four-and-a-half times as heavy as a Golf Ball
The weight of a Golf Ball is about 1.620 ounces.
(per R&A USGA Rules of Golf; maximum rule weight)
It's about one-fifth as heavy as a liter of Water
The weight of a liter of Water is about 35.274950 ounces.
(fresh; 4° C / 39.2° F; maximum density)