It's very helpful to know the type and size of piano you have. I have put together this chart to help you determine this. Note: As of 2024 I am no longer servicing Spinets,Consoles, or old Uprights.
How To Measure a Vertical (Upright) Piano
How To Measure a Grand Piano
Professional Upright: 47" - 52"
Petit Grand: 4'5" - 4'10"
Living Room (Parlor Grand): 5'7" - 6'6"
Semi Concert Grand: 6'7" - 7'4"