It's about one-and-two-fifths times as heavy as a Cow.
In other words, the weight of a Cow is 0.710 times 151.520 stones.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 110 stones. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about three-fifths as heavy as a Car.
In other words, 151.520 stones is 0.58240 times the weight of a Car, and the weight of a Car is 1.7170 times that amount.(for 2009 Ford Taurus; automatic transmission; curb weight)
A 2009 Ford Taurus weighs 260.10 stones. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 60.780 stones.
It's about one-and-nine-tenths times as heavy as a Grizzly Bear.
In other words, 151.520 stones is 1.850 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 0.5410 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 82 stones. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).
It's about one-and-nine-tenths times as heavy as a Polar Bear.
In other words, 151.520 stones is 1.860 times the weight of a Polar Bear, and the weight of a Polar Bear is 0.5380 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 81.30 stones. Polar bears are so heavily insulated by their 9.9 cm (3.9 in) layer of blubber that they are often difficult to detect using infrared photography sensors.
It's about two times as heavy as a Grand Piano.
In other words, 151.520 stones is 2.10 times the weight of a Grand Piano, and the weight of a Grand Piano is 0.480 times that amount.(for Steinway & Sons, Model D Concert Grand Piano)
A Grand Piano, of the kind used for concert performances in large music halls, weighs 71 stones. Well-made pianos such as this may last 75 to 100 years.
It's about half as heavy as a Rhinoceros.
In other words, 151.520 stones is 0.460 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 2.20 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 330 stones. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about two-and-a-half times as heavy as a Horse.
In other words, the weight of a Horse is 0.430 times 151.520 stones.(Equus ferus caballus) (Arabian, adult)
n Arabian riding horse (or similar breed) weighs between 66 stones. During races, horses must carry jockeys and their equipment, which in the Kentucky Derby, for example, can weigh up to 8.60 stones.