Kids Growth Ruler

4 Materials
1 Hour

We used to mark how tall the kids are inside the closet wall, now we have a Kid’s Growth Ruler! This is a much better option to keep record of kid’s growth. Also they have a lot of fun measuring how tall they are. It’s amazing to see how fast kids grow.

This is a very simple project to do for a beginner. You just need 1x6 board, stain, sharpie and adhesive numbers.

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Step-1 Cut 1x6 Board

Take 1x6 board and cut it to 84” long. You could make this any length you want. I cut it at 84” because I wanted the board to be same elevation as the door. Than using a random orbital sander, sand the board on all sides.

Step-2 Pre-Stain and Stain

On a small project like this, instead of using a brush for staining, I just use Shop Paper Towels. I don’t have to clean the brushes. So first, Pre-stain the boards, then after 10 minutes, apply the Stain. Follow instruction on the can for both Pre-stain and Stain for best results.

Step-3 Measure and Mark

Next, pull a measuring tape and mark every inch on the board with a pencil. Then draw thick lines using oil based black sharpie over the pencil marks. To draw the lines straight I used a Construction Square as a guide. To make this look like an ruler, I made the lines three different lengths. Starting from 0 up, numbers 0, 12 have 2” long lines. Numbers 3, 6, and 9 have 1 ½” long lines. Numbers 1, 2, 4, 5, 7, 8, 10, 11 have 1” long lines.

Step-4 Apply Matte Polyurethane

Once you’re done with drawings the ruler lines, apply a coat of matte Polyurethane. Let it dry for few hours, then with a fine grit sand paper (300 and up) sand the board lightly. Wipe off the dust and then apply a second coat of Polyurethane.

Step-5 Tape on Adhesive Numbers

For the actual feet numbers I used 1" Self Stick Numbers that I had left over from cornhole scoreboard project.

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Want more details about this and other DIY projects? Check out my blog post!


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3 of 14 comments
  • Kathy
    on Oct 18, 2019

    You specifically said to use an "oil based Sharpie pen". Is that any different from the black Sharpie Permanent marker pens you can pick up anywhere, or is this a special Sharpie pen? Thanks for sharing the great idea!

    • TheDIYPlan
      on Oct 18, 2019

      I'm sure you could use a regular black sharpie. The oil based sharpie that i used has ink inside and it flows out when you press on the tip. The regular sharpie might dry out fast, so you might need to have two sharpies.

  • Cherie
    on Oct 24, 2019

    This is gorgeous, an instant heirloom - love it!!! Thank you for sharing with us.

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