Upright pianos (58" wide × 24" deep) need a 50"+ window opening on the narrow side. Grand pianos require crane service and very large windows.
Whether it fits comes down to the measurements most people skip.
Real openings run about 1 to 2 inches under the labeled size, and a single inch can flip the result. Check your own measurements before you buy or move.
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Frequently asked
An upright piano going in depth-first (24") needs a window 26"+ wide — most windows work. But it's 58" in the other dimension, so the window height must be 60"+ if going on its back, or 50"+ if going on its side. Large windows or removed sashes are typically needed.
01A baby grand (58"×60" body) needs a window opening of at least 62"×28" (entering on its side). A full grand (58"×72") needs 74"×28". These require large picture windows or bay windows. Most standard double-hung windows are too small for grands.
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