Ed Mauro https://blog.edmauro.com/ Inside a Developer’s Mind Sun, 30 Mar 2025 03:10:15 +0000 en hourly 1 https://wordpress.org/?v=6.8.1 Fractional Inches https://blog.edmauro.com/woodworking/fractional-inches/ Sun, 30 Mar 2025 03:10:15 +0000 https://blog.edmauro.com/?p=107 In woodworking, sometimes you may need to convert between a fraction of an inch and its decimal equivalent. In my experience this has mostly been when using a digital tool like SketchUp or another modeling tool. Here’s a handy chart to convert down to thirty-seconds, along with their reduced fractions and decimal equivalents. Thirty-seconds Sixteenths […]

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]]> In woodworking, sometimes you may need to convert between a fraction of an inch and its decimal equivalent. In my experience this has mostly been when using a digital tool like SketchUp or another modeling tool. Here’s a handy chart to convert down to thirty-seconds, along with their reduced fractions and decimal equivalents.

Thirty-secondsSixteenthsEighthsQuartersHalvesDecimals
1/32



0.0313
2/321/16


0.0625
3/32



0.0938
4/322/161/8

0.1250
5/32



0.1563
6/323/16


0.1875
7/32



0.2188
8/324/162/81/4
0.2500
9/32



0.2813
10/325/16


0.3125
11/32



0.3438
12/326/163/8

0.3750
13/32



0.4063
14/327/16


0.4375
15/32



0.4688
16/328/184/82/41/20.5000
17/32



0.5313
18/329/16


0.5625
19/32



0.5938
20/3210/165/8

0.6250
21/32



0.6563
22/3211/16


0.6875
23/32



0.7188
24/3212/166/83/4
0.7500
25/32



0.7813
26/3213/16


0.8125
27/32



0.8438
28/3214/167/8

0.8750
29/32



0.9063
30/3215/16


0.9375
31/32



0.9688

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]]> Nominal Dimensions https://blog.edmauro.com/woodworking/nominal-dimensions/ Sun, 30 Mar 2025 02:46:03 +0000 https://blog.edmauro.com/?p=105 When most people think of something like a 2×4, they think its measurements would be 2 inches by 4 inches, right? Well, not quite… they do start out that way but by the time they get cleaned up for sale they’re smaller. A 2×4 is actually 1-1/2 by 3-1/2. It takes some getting used to. […]

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]]> When most people think of something like a 2×4, they think its measurements would be 2 inches by 4 inches, right? Well, not quite… they do start out that way but by the time they get cleaned up for sale they’re smaller. A 2×4 is actually 1-1/2 by 3-1/2. It takes some getting used to. Here are some common “nominal” dimensions and their actual sizes.

North American 1-by Lumber

Nominal SizeActual Size (inches)Actual Size (mm)
1×2″3/4 x 1-1/2″19 x 38
1×3″3/4 x 2-1/2″19 x 64
1×4″3/4 x 3-1/2″19 x 89
1×6″3/4 x 5-1/2″19 x 140
1×8″3/4 x 7-1/4″19 x 184
1×10″3/4 x 9-1/4″19 x 235
1×12″3/4 x 11-1/4″19 x 286

North American 2-by Lumber

Nominal SizeActual Size (inches)Actual Size (mm)
2×2″1-1/2 x 1-1/238 x 38
2×3″1-1/2 x 2-1/238 x 64
2×4″1-1/2 x 3-1/238 x 89
2×6″1-1/2 x 5-1/238 x 140
2×8″1-1/2 x 7-1/438 x 184
2×10″1-1/2 x 9-1/438 x 235
2×12″1-1/2 x 11-1/438 x 286

North American 4-by Lumber

Nominal SizeActual Size (inches)Actual Size (mm)
4×4″3-1/2 x 3-1/2″89 x 89
4×6″3-1/2 x 5-1/2″89 x 140
4×8″3-1/2 x 7-1/4″89 x 184
4×10″3-1/2 x 9-1/4″89 x 235
4×12″3-1/2 x 11-1/4″89 x 286

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