Is 749.50 tonnes as heavy as a Grand Piano?
It's about 1,500 times as heavy as a Grand Piano
The weight of a Grand Piano is about 0.450 tonnes.
(for Steinway & Sons, Model D Concert Grand Piano)
A Grand Piano, of the kind used for concert performances in large music halls, weighs 0.450 tonnes. Well-made pianos such as this may last 75 to 100 years.
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