How To Measure Your Vert With Or Without Equipment?

Measuring your vertical jump is simpler than many people think. You can do it with basic equipment like a measuring tape and chalk, or with nothing at all using a wall and a smartphone. The key is knowing which method gives you a real number versus one that just looks good on paper.

What Exactly Does “Vert” Mean in a Measurable Way?

Your vertical jump, or vert, is the difference between your standing reach and your highest jump reach. If you stand flat-footed and reach up, that is your standing reach. When you jump and touch your highest point, that is your jump reach. Subtract the first number from the second, and you get your vert.

This is called a “reach height” measurement. It is the most common method used in sports testing. The NBA Combine uses this exact approach. They measure how high a player can reach standing still, then how high they can reach on a jump.

Some people confuse vertical jump with how high their feet leave the ground. That is different. The standard measurement is always about how high your fingertips go, not your shoes.

How To Measure Your Vert With Equipment at Home

The simplest equipment method uses chalk and a wall. You need a flat wall with a smooth surface, a measuring tape, and some colored chalk. Rub chalk on your fingertips. Stand sideways to the wall with your feet flat. Reach up with your inside hand and make a mark at your highest point. This is your standing reach.

Step away from the wall. Jump as high as you can and touch the wall at the peak of your jump. Make another mark with the chalk on your fingers. Measure the distance between the two marks with your tape. That number is your vertical jump.

Research published in the Journal of Strength and Conditioning Research found that this chalk-and-wall method produces measurements within half an inch of force plate readings. Force plates are the gold standard used in labs. So this method is accurate enough for most people.

A more precise option is a Vertec device. This is the plastic tower with colored vanes you see in gyms. You stand under it, reach up to swivel the highest vane you can touch flat-footed, then jump and swivel a higher vane. The device shows your vert directly. Vertec units cost around $300 new. Many gyms have them available for member use.

How To Measure Your Vert Without Any Equipment

You can measure your vertical jump with nothing but a wall and a smartphone. Stand next to a wall. Reach up flat-footed and have someone mark where your fingertips hit. You can use a piece of tape or a pencil mark that you erase later.

Next, jump as high as you can and have your helper watch your hand at the peak of the jump. They mark the wall at that exact spot. Use your phone to measure the distance between the two marks. Most smartphones have a built-in measure app that works well for this.

A 2019 study in Sports Biomechanics compared smartphone measurement apps to motion capture systems. The apps were within 1.5 inches of the lab equipment. That is acceptable for tracking progress but not for official testing.

Another no-equipment method uses video. Record yourself jumping next to a wall that has a known height marker, like a door frame. Standard door frames are 80 inches tall. Count the video frames from takeoff to peak height. You can calculate your vertical from the frame rate and the known height reference. This takes more work but does not require any special gear.

What Research Shows About Measuring Vertical Jump Accurately

The most accurate way to measure vertical jump is on a force plate. These measure the force you apply into the ground and calculate jump height from the time your feet leave the plate. The National Strength and Conditioning Association considers force plates the gold standard.

Force plates are expensive, usually over $2,000. Most people do not have access to them. The good news is that cheaper methods are close enough for tracking your own improvement. If you gain half an inch on a chalk test, you likely gained half an inch in reality.

One thing research is clear about: arm swing matters a lot. A study in the Journal of Applied Biomechanics found that using an arm swing increases vertical jump by 8 to 12 percent compared to jumping with hands on hips. When you measure, always use the same technique. If you test with an arm swing, always test with an arm swing. Do not switch methods between tests.

Time of day also affects your vert. Research shows most people jump higher in the late afternoon than in the morning. Test at the same time of day each time for consistent results.

Common Mistakes That Ruin Your Vertical Jump Measurement

The biggest mistake is not warming up. Cold muscles do not produce maximum power. Jumping cold can make your measurement 2 to 3 inches lower than your actual ability. A proper warm-up of light jogging, dynamic stretches, and a few practice jumps takes about 10 minutes.

Another common error is using the wrong hand for the wall test. If you are right-handed, stand with your right shoulder to the wall. Reach with your right hand. This gives you your true reach. Using your off hand can subtract an inch or more.

People also cheat on the standing reach. They lean their body toward the wall or lift their heels. This inflates the standing reach number, which makes the vertical jump look smaller. Keep your feet flat and your body straight when measuring standing reach.

Some people measure from the bottom of their foot to the ground. That is not vertical jump. That is just how high your feet leave the floor, which is always less than your hand reach. Stick to the standard method or your numbers will not match any published norms.

Comparison of Vertical Jump Measurement Methods

How To Track Your Progress Without Obsessing Over Numbers

Measure your vert once every two to four weeks. Testing too often leads to frustration because daily fluctuations are normal. Sleep, hydration, and recent training all affect your jump height on any given day.

Write down three numbers each time: your standing reach, your jump reach, and the difference. Also note how you warmed up and what time of day you tested. This context helps you understand why some tests look better than others.

If your vert drops by more than an inch from your average, it is usually not a real loss. It is more likely fatigue or poor timing. Take a rest day and test again. The American Council on Exercise notes that true strength changes take weeks to appear in jump tests.

Do not compare your numbers to professional athletes. NBA players average a 28-inch vertical. That is elite. A healthy active adult male averages 16 to 20 inches. A healthy active female averages 12 to 16 inches. If you are in those ranges, you are normal.

Frequently Asked Questions