Bathmate Size Selection Guide: How to Measure Correctly for Your Hydro Pump Purchase

When it comes to purchasing a Bathmate hydropump, selecting the right size isn’t just about comfort—it’s about results. Using a pump that’s too large or too small can significantly impact your experience and progress. In fact, incorrect sizing is one of the most common reasons users don’t achieve their desired outcomes.

In this comprehensive guide, we’ll walk you through the exact steps to measure correctly for your Bathmate purchase, helping you select the perfect size for maximum gains and comfort. Whether you’re a first-time buyer or considering an upgrade, these measurement techniques will ensure you make the right choice.

Why Proper Sizing Matters

Before diving into measurement techniques, let’s understand why correct sizing is so crucial:

The Goldilocks Principle: Not Too Big, Not Too Small

A Bathmate pump that’s too large will create poor pressure distribution. The vacuum spreads across empty space rather than focusing on your penis, resulting in ineffective sessions and disappointing results. According to vacuum therapy research, optimal pressure distribution is essential for tissue response.

Conversely, a pump that’s too small may initially feel intense (which some users mistakenly interpret as “more effective”), but it quickly becomes restrictive. This limits your growth potential and can cause discomfort that discourages consistent use.

The Impact on Consistency

The right size encourages regular use—a key factor in achieving results. Users with properly sized pumps report higher satisfaction rates and more consistent usage patterns. According to Bathmate’s user surveys, 81% of users report better or longer erections after two months of consistent use with a correctly sized pump.

Essential Measuring Tools

To ensure accurate measurements, gather these basic tools:

• Ruler or measuring tape (preferably rigid)
• String or soft measuring tape (for girth measurement)
• Paper and pen to record measurements
• Private, comfortable space with good lighting

Step-by-Step Measurement Guide

Measuring Length Correctly

Length measurement determines which Bathmate model will accommodate you best. Follow these steps for accurate length measurement:

1. Achieve a full erection – Measurements should be taken when fully erect for best results
2. Position the ruler correctly – Place the ruler on top of your penis
3. Press against the pubic bone – Push the ruler gently into the pubic bone at the base of your penis
4. Measure to the tip – Record the distance from the pubic bone to the very tip of your penis
5. Repeat for verification – Take the measurement 2-3 times to ensure consistency

Pro Tip: Measure in the morning when testosterone levels are typically higher for maximum measurement accuracy.

Measuring Girth Correctly

Girth (circumference) is equally important but often overlooked when selecting a Bathmate pump. Here’s how to measure it properly:

1. Maintain full erection – As with length, measure when fully erect
2. Choose your measurement tool:
   • Option A: Wrap a soft measuring tape around the middle of your shaft
   • Option B: Use a piece of string, mark where it overlaps, then measure the string with a ruler
3. Find the thickest point – Measure at the widest part of your shaft (this varies among individuals)
4. Ensure proper tension – The measuring tape or string should be snug but not tight enough to compress the tissue
5. Record your measurement in inches or centimeters

Pro Tip: Take girth measurements at three points—base, middle, and just below the head—and use the largest measurement for sizing purposes.

Understanding Bathmate Size Ranges

Bathmate offers various models to accommodate different sizes. Here’s a breakdown of the available options:

Hydro Series

• Hydro7: For erect lengths up to 7 inches and girths up to 6.5 inches

Hydromax Series

• Hydromax3: For erect lengths up to 3 inches
• Hydromax5: For erect lengths up to 5 inches
• Hydromax7: For erect lengths between 5-7 inches
• Hydromax7 Wide Boy: For erect lengths between 5-7 inches with above-average girth
• Hydromax8: For erect lengths between 7-8 inches
• Hydromax9: For erect lengths between 8-9 inches

HydroXtreme Series

• HydroXtreme3: For erect lengths up to 3 inches
• HydroXtreme5: For erect lengths up to 5 inches
• HydroXtreme7: For erect lengths between 5-7 inches
• HydroXtreme7 Wide Boy: For erect lengths between 5-7 inches with above-average girth
• HydroXtreme9: For erect lengths between 7-9 inches
• HydroXtreme11: For erect lengths between 9-11 inches

Size Selection Decision Matrix

Once you have your measurements, use this decision matrix to select the perfect Bathmate model:

If Your Erect Length Is:

• Less than 3 inches: Choose Hydromax3 or HydroXtreme3
• 3-5 inches: Choose Hydromax5 or HydroXtreme5
• 5-7 inches: Choose Hydro7, Hydromax7, or HydroXtreme7
• 7-8 inches: Choose Hydromax8 or HydroXtreme9
• 8-9 inches: Choose Hydromax9 or HydroXtreme9
• 9-11 inches: Choose HydroXtreme11

If Your Girth Is:

• Above 6.5 inches: Consider a “Wide Boy” model regardless of length
• 5.5-6.5 inches: Standard models are suitable
• Less than 5.5 inches: Standard models are suitable

Between Sizes?

If you’re between sizes, consider these factors:

• For length: If you’re within 0.25 inches of the next size up, choose the larger pump
• For girth: If you’re near the maximum girth for a standard model, consider a Wide Boy variant
• Growth goals: If significant growth is your primary goal, leaving some room for expansion can be beneficial

Common Measurement Mistakes to Avoid

1. Measuring When Not Fully Erect

This leads to underestimating your size and potentially selecting a pump that’s too small. Ensure you’re at maximum erection before measuring.

2. Pressing Too Hard or Not Hard Enough

When measuring length, pressing too hard against the pubic bone can artificially increase your measurement, while not pressing firmly enough can underestimate it. Aim for firm but not painful pressure.

3. Ignoring Girth Measurements

Many users focus exclusively on length, but girth is equally important for proper sizing. A pump that’s too narrow can restrict blood flow and cause discomfort.

4. Assuming You’ll “Grow Into” a Larger Size

Purchasing a pump that’s too large in anticipation of future growth is counterproductive. The ineffective pressure will actually slow your progress.

5. Using Inconsistent Measurement Techniques

Changing your measurement method between sessions can lead to inconsistent results. Standardize your approach for accurate tracking.

Special Considerations for Different Body Types

For Men with a Pronounced Fat Pad

If you have a larger pubic fat pad, proper measurement becomes even more critical. Press firmly (but comfortably) into the fat pad to reach the pubic bone for accurate length measurement. This ensures you don’t underestimate your true size.

For Men with Curved Erections

If you have significant curvature, measure along the top side of the penis from base to tip, following the curve. This gives you the functional length needed for proper sizing.

Tracking Your Progress

Once you’ve selected and started using your Bathmate, proper measurement becomes essential for tracking progress:

1. Establish a baseline: Record your initial measurements before beginning
2. Maintain consistency: Use the same measurement technique each time
3. Create a measurement schedule: Monthly measurements are generally sufficient
4. Track multiple metrics: Monitor both length and girth changes
5. Document temporary vs. lasting gains: Note measurements both immediately after pumping and 24 hours later

Real User Experiences with Sizing

Understanding real-world experiences can help you make better decisions. Here are insights from actual Bathmate users:

“I initially bought the Hydromax9 because I thought bigger was better. After struggling with poor results for weeks, I switched to the Hydromax7, which matched my actual measurements. The difference was immediate—better pressure, more comfort, and visible results within weeks.” — James R.

“Don’t ignore girth! I’m average length but thicker than average. The standard Hydromax7 felt uncomfortable until I switched to the Wide Boy version. Now my sessions are comfortable and effective.” — Michael T.

Conclusion: The Perfect Fit for Maximum Results

Selecting the right Bathmate size isn’t just about current comfort—it’s about creating the optimal environment for long-term success. By following this measurement guide, you’ll ensure that your investment delivers the best possible results.

Remember that Bathmate offers a 60-day money-back guarantee, so if you discover that you’ve selected the wrong size despite careful measurement, you can exchange it for a more suitable option.

Have you measured for your Bathmate purchase? Share your experience in the comments below, or ask any questions you might have about the sizing process!

Frequently Asked Questions About Bathmate Sizing