One page on Letter or A4. To save a PDF, pick “Save as PDF” in the print dialog.
For a sheet that matches the screen, choose portrait, Letter or A4, and 100% (actual size) scale in the print dialog. Saved as a PDF, it opens on a phone or tablet in the shop with no signal. The numbers change only when the full chart’s sources do, so check the full chart now and then against the copy on your wall.
Tables and desks
What
Inches
Millimetres
Dining table
28–30 in, most often 29 in
711–762 mm, most often 737 mm
Desk or writing table
28–30 in
711–762 mm
Chairs and stools
What
Inches
Millimetres
Dining chair seat
16–19 in, most often 18 in
406–483 mm, most often 457 mm
Seat to tabletop
11–13 in
279–330 mm
Counter stool seat (36 in counter)
24–27 in
610–686 mm
Bar stool seat (42 in bar)
28–33 in, most often 30 in
711–838 mm, most often 762 mm
Counters and bars
What
Inches
Millimetres
Kitchen counter (with the countertop)
35–36 in, most often 36 in
889–914 mm, most often 914 mm
Bar top or bar-height table
40–45 in, most often 42 in
1016–1143 mm, most often 1067 mm
Bookshelves
What
Inches
Millimetres
Shelf depth for books
7–12 in
178–305 mm
Kitchen and bath cabinets
What
Inches
Millimetres
Base cabinet height
34 1/2 in
876 mm
Base cabinet depth
24 in
610 mm
Wall cabinet depth
12 in
305 mm
Wall cabinet height
30, 36 or 42 in
762, 914 or 1067 mm
Countertop to wall cabinet
18 in
457 mm
Tall (pantry, oven) cabinet height
84, 90 or 96 in
2134, 2286 or 2438 mm
Bathroom vanity height
30 1/2–34 1/2 in
775–876 mm
Bathroom vanity depth
18–21 in, most often 21 in
457–533 mm, most often 533 mm
Knee space at kitchen seating (NKBA)
What
Inches
Millimetres
At a 30 in table or counter
18 in deep × 24 in wide
457 mm deep × 610 mm wide
At a 36 in counter
15 in deep × 24 in wide
381 mm deep × 610 mm wide
At a 42 in counter
12 in deep × 24 in wide
305 mm deep × 610 mm wide
Accessible heights (ADA)
What
Inches
Millimetres
Dining and work surfaces (902.3)
28–34 in
711–864 mm
Knee clearance under a surface (306.3)
at least 27 in high, 30 in wide
at least 686 mm high, 762 mm wide
Sales or service counter (904.4)
at most 36 in
at most 914 mm
Reach range for shelves and controls (308)
15–48 in above the floor
381–1219 mm above the floor
Each value from two or more published guides or makers’ spec sheets (median of three or more), or from the ADA Standards and the NKBA guidelines as the authority for their own figures. woodworkingmath.com/joinery/furniture-dimensions/ Version 8 Nov 2026. Free to share under CC BY 4.0: credit Woodworking Math (woodworkingmath.com).
