Make Your Own Flute Out of PVC – An Instructional Guide & Video
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Time to read 4 min
Plastic piping isn’t just for plumbing – it can serve as a tool for creating your own musical instruments, including a simple flute! If you use the right dimensions, then you can make a beautifully tuned flute out of PVC piping. This PVC instrument will be water-proof and crack-proof – making it the perfect instrument for kids or on-the-go flutists.
How Do I Make My Own Flute?
Before you can make music, you’ll need to make your flute. Making a homemade flute is simple, you only need PVC Pipe, an end cap, and a few tools. Check out our detailed steps for making a DIY flute with PVC.
Materials Needed
¾” Schedule 40 PVC Pipe (15 inches in length)
Tools Needed
Tape Measure
Drill
Steps for Making a PVC Flute
Step 1: Cut the PVC Pipe. You will want to make sure that your PVC pipe is the correct length. About 15 inches in length is where we think we get the best sound. Feel free to modify the length to your preference. The shorter the PVC pipe the higher pitch you will have and the longer the pipe is the lower the flute will sound.
Step 2: Measure the Hole Distances. Without the end cap attached, you’ll use the tape measure to mark each hole on the PVC pipe. There are 2 holes that are off-set from the others. See the notes below to make sure you measure correctly:
• Measure 6-7/8” from the bottom of the pipe to mark the first hole.
• Measure 8” from the bottom of the pipe to mark the second hole.
• Measure 9-1/8” from the bottom of the pipe and rotate up 25 degrees to mark the third hole. (This hole is off-set on purpose.)
• Rotate the pipe back down so the next hole lines up with the first two holes.
• Measure 10-3/4” from the bottom of the pipe to mark the fourth hole.
• Measure 11-1/2” from the bottom of the pipe and rotate up 10 degrees to mark the third hole. (This hole is offset on purpose.)
• Rotate the pipe back down so the next hole lines up with the first two holes.
• Measure 12-3/4 from the bottom of the pipe to mark the sixth hole.
Step 3: Attach the End Cap and Mark the Hole. On the end of the pipe furthest from the markings, attach the PVC end cap. You can use primer and solvent cement. If you prefer a temporary hole, just slide the end cap over the pipe. It should be a tight fit. Now, measure and mark the hole where you’ll blow. If you use a flat cap, measure 5/16” from the edge. If you use a round end cap measure slightly longer from the tip of the cap. (This hold should be center on the cap.)
Step 4: Drill the Holes. Not every hole will be the same size. The hole for your mouth at the end cap should be 7/16” in diameter. The next 3 holes should be 3/8” each. The hole that is 10-3/4” from the end should be 11/32”, the 11-1/2” hole should be 7/16”, and the last hole measured at 12-3/4” should be 5/16”.
Step 5: Customize Your Flute. Now that the flute is complete, this final step is to customize your PVC anyway you see fit. Before you start, remember that anything impacting the holes will impact its performance and sound. Use color tape to give it a colorful unique look. Paint it with acrylic or spray paint. Also, if you decide to paint the pipe, remember your face and mouth will be close so be sure to use safe paint.
Make Music
You now know all the steps of how to make a flute out of PVC pipe. Go make some music with your unique flute. Or, use it for on-the-go practice so you don’t risk damaging your concert flute. Let us know how your flute turned out by sending us a picture or sharing it with us on social media!
Interested in other DIY kids projects with PVC? Check them out here!
FAQs
What size PVC pipe and fittings do I need to build this flute?
To build this specific flute, you will need a 3/4” Schedule 40 PVC pipe cut down to a length of 15 inches, along with a matching 3/4” PVC end cap (either flat or rounded) to close off the end near the mouth hole.
How does changing the length of the PVC pipe affect the sound of the flute?
The length of the pipe directly dictates the pitch of the instrument. A shorter PVC pipe will yield a higher-pitched sound, while a longer pipe will produce a deeper, lower-pitched sound. The 15-inch length recommended in the guide is optimized for the best overall balance and sound quality.
Can I paint or decorate my DIY PVC flute?
Yes, you can customize your flute using colored tape, acrylic paint, or spray paint. However, you must keep two things in mind: first, avoid getting any paint or tape inside or over the drilled holes, as this will alter the instrument's pitch and performance. Second, because your mouth and face will be in direct contact with the flute, ensure you are using non-toxic, face-safe paints.
Simple Materials & High Durability: Using just a 15-inch piece of 3/4-inch Schedule 40 PVC pipe, a matching end cap, a tape measure, and a drill, you can create a fully functional musical instrument. Because it's made of plastic, the final flute is completely waterproof, crack-proof, and highly durable.
Precise Measurements for Tuning: To get a beautiful, properly tuned sound, the blog outlines exact linear measurements and hole diameters for drilling. It also features a few intentionally offset holes (rotated 10 and 25 degrees) to mimic the ergonomics of a traditional concert flute.
Acoustic & Aesthetic Customization: The pitch of the instrument is directly tied to the length of the pipe—shorter cuts yield a higher pitch, while longer pieces sound deeper. Once drilled, the flute can be personalized using acrylic paint, spray paint, or colorful tape, provided the decorative updates do not cover or obstruct the drilled holes.
Mark Ligon
Mark Ligon is the marketing manager at PVC Fittings Online, a supplier of commercial PVC and CPVC pipe, fittings and valves. Ligon enjoys educating businesses on the parts of piping systems so managers can make informed decisions. He can be reached at webmaster@commercial-industrial-supply.com.
