According to Wickes, a standard size (straight) bath is 1700mm (L) x 700mm (W), however, there are a whole range of size available from all major manufacturers, these include:
Corner Bath Sizes:
Length: 1600mm, 1550mm, 1500mm, 1495mm, 1350mm
Width: 1350mm, 1020mm, 1000mm, 900mm
Double-Ended Bath Sizes:
Length: 1800mm, 1785mm, 1700mm, 1620mm, 1570mm, 1550mm
Width: 800mm, 750mm, 730mm
Roll Top Baths Sizes:
Length: 1760mm, 1720mm, 1700mm, 1500mm
Width: 800mm, 780mm, 770mm, 750mm
Shower Bath Sizes:
Length: 1700mm, 1500mm
Width: 900mm, 860mm, 800mm, 750mm
Straight Bath Sizes:
Length: 1700mm, 1685mm, 1675mm 1600mm, 1500mm
Width: 750mm, 700mm, 696mm, 690mm, 685mm
These are by no means the entire size range available on the market today but this list does cover most standard bathtub sizes.
We hope you have found this bathtub measuring guide useful in helping decide the correct size of a bath for your home.
You may be interested in our article on how to choose the right bathtub.