Category Hub•3 Free Tools Available
Home & DIY Measurement Calculators & Sizing Charts
Precision dimension guides and rough opening calculators for doors, photo matting, and wall painting projects.
Tools in this Hub
All tools run 100% in browserChecklist & ToolFree
How to Measure for a Storm Door
Measure width at the top, middle, and bottom between inside brickmoulds (use the smallest width). Measure height from threshold to top trim.
Visual PreviewFree
How to Measure a Picture Frame (Photo vs Frame Size)
Picture frame sizes always refer to the inside opening (where the glass and print sit), not the outer moulding dimensions.
Coverage ToolFree
Paint Can Sizes (Gallon, Quart, Pint Dimensions & Coverage)
A standard 1-gallon paint can covers roughly 350 to 400 square feet of smooth wall with a single coat.