It's about forty times as heavy as a House
In other words, 13,000,000 pounds is 37.80 times the weight of a House, and the weight of a House is 0.0265 times that amount.(149 sq. m, single-level, unfurnished)
A 149 sq. m (1,600 sq. ft), single-story, unfurnished house (without extensive masonry) of the type commonly found in America would weigh approximately 344,000 pounds, based on the weight of the included materials. In contrast, a yurt — a type of dwelling structure popular among nomadic peoples of East Asia — typically weighs less than 1,010 pounds.
It's about one-fifty-fifth as heavy as The Empire State Building
It's about 55 times as heavy as a Blue Whale
In other words, 13,000,000 pounds is 56.40 times the weight of a Blue Whale, and the weight of a Blue Whale is 0.0177 times that amount.(Balaenoptera musculus)
Blue whales weigh between 230,000 pounds. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.0022 pounds each.
It's about 85 times as heavy as The Space Shuttle
In other words, the weight of The Space Shuttle is 0.012 times 13,000,000 pounds.(for Endeavour, a.k.a. OV-105, a.k.a. Orbiter Vehicle-105) (empty weight, excluding main engines)
When empty, the space shuttle Endeavour weighs 160,000 pounds. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 44,000 pounds.
It's about one-one-hundred-fiftieth as heavy as The Golden Gate Bridge
In other words, 13,000,000 pounds is 0.00733 times the weight of The Golden Gate Bridge, and the weight of The Golden Gate Bridge is 136 times that amount.(San Francisco, California and Marin County, California) (Post 1986 weight reduction; total weight of bridge, anchorage, and approaches)
Following the completion of the 1986 project to eliminate excess material, the total weight of the Golden Gate Bridge — including its anchorages and approaches — is 1,770,000,000 pounds. The two main cables in the spanning the bridge are spun out of a total of 129,000 km (80,200 mi) of wire.
It's about 500 times as heavy as an Anchor of a Cruise Ship
In other words, 13,000,000 pounds is 522 times the weight of an Anchor of a Cruise Ship, and the weight of an Anchor of a Cruise Ship is 0.00192 times that amount.(for QE2 forward anchor, a.k.a. RMS Queen Elizabeth 2)
Each of the forward anchors of the RMS Queen Elizabeth 2 weighs 24,900 pounds. The anchor of the QE2 now sits in front of the Holyrood Church in Southampton, England, United Kingdom, along a pedestrian tourist route known as "the QE2 mile."
It's about 900 times as heavy as a Tyrannosaurus rex
In other words, 13,000,000 pounds is 920 times the weight of a Tyrannosaurus rex, and the weight of a Tyrannosaurus rex is 0.0011 times that amount.(for FMNH PR2081, a.k.a. "Sue") (a.k.a. Tyrannosaurus, a.k.a. T-Rex) (estimated live weight)
The notable Tyrannosaurus specimen housed at the Field Museum of Natural History in Chicago, Illinois, "Sue," is estimated to have weighed about 14,000 pounds while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.