It's about 30,000 times as heavy as a Puck (Hockey)
In other words, 749.640 stones is 29,203.366956522 times the weight of a Puck (Hockey), and the weight of a Puck (Hockey) is 0.00003424262693712 times that amount.(Ice hockey)
A standard ice hockey puck weighs between 0.024553571428571 stones and 0.026785714285714 stones. Hockey pucks can be shot or passed at speeds of up to 160 kph (99 mph) during games.
It's about 35,000 times as heavy as a Baseball
In other words, 749.640 stones is 32,764.753170732 times the weight of a Baseball, and the weight of a Baseball is 0.000030520602270042 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 0.022321428571429 stones and 0.0234375 stones. A major league pitcher can throw a baseball at up to 150 kph (91 mph) (with a fastball pitch), with record-setting pitches as fast as 171 kph (106 mph).
It's about 35,000 times as heavy as a Battery (D)
In other words, 749.640 stones is 35,300 times the weight of a Battery (D), and the weight of a Battery (D) is 0.0000283 times that amount.(Alkaline)
A "D" size battery weighs 0.0213 stones. The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.
It's about one-forty-thousandth as heavy as The Sears Tower
In other words, 749.640 stones is 0.00002359 times the weight of The Sears Tower, and the weight of The Sears Tower is 42,390 times that amount.(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 31,780,000 stones. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.
It's about 50,000 times as heavy as a Deck of Cards
In other words, 749.640 stones is 51,000 times the weight of a Deck of Cards, and the weight of a Deck of Cards is 0.000020 times that amount.(ISO 216 B8 size, a.k.a. "poker size" 63 x 88 mm, 52-card deck)
A deck of 52 ISO 216 B8-size playing cards weighs 0.015 stones. Utilizing nearly 3,700 decks, the record-holding largest card tower was built in early 2010, stood over 3.5 m (11 ft), and weighed over 36 stones.
It's about one-seventy-thousandth as heavy as The Empire State Building
In other words, 749.640 stones is 0.0000144 times the weight of The Empire State Building, and the weight of The Empire State Building is 69,400 times that amount.(New York City, New York)
The Empire State Building weighs approximately 52,100,000 stones. About 4% of the building's weight is its 6,000 cu. m (200,000 cu. ft) of limestone façade.
It's about 75,000 times as heavy as a Battery (C)
In other words, 749.640 stones is 73,000 times the weight of a Battery (C), and the weight of a Battery (C) is 0.000014 times that amount.(Alkaline)
A "C" size battery weighs 0.01 stones. C batteries are typically used in medium-drain devices such as musical instruments.