Condom Size Calculator Durex

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Durex Condom Size Calculator

Find the perfect fit for enhanced comfort and protection.

Snug Regular Loose

Recommended Durex Condom Size:

Based on your measurements, we recommend:

Nominal Width: —

Length: —

Understanding Condom Sizing and Fit

Choosing the right condom size is crucial for both safety and pleasure. A condom that is too tight can be uncomfortable, increase the risk of breakage, and reduce sensation. Conversely, a condom that is too loose can slip off, compromising its effectiveness as a barrier method for preventing pregnancy and sexually transmitted infections (STIs).

The Importance of Nominal Width

The most critical measurement for condom sizing is the nominal width. This refers to the width of the condom when it's laid flat, unrolled. It's a direct indicator of how snug or loose the condom will feel when worn. Durex, like other manufacturers, categorizes their condoms based on nominal width, typically ranging from 47mm to 69mm.

How to Measure for the Right Fit

To determine the best fit, you need two key measurements:

  • Erect Length: Measure the length of your erect penis from the base to the tip. While most condoms are longer than average, this measurement primarily ensures there's enough room at the tip for ejaculate and prevents the condom from feeling too short.
  • Erect Circumference: This is the most important measurement for determining the condom's tightness. Measure the circumference of your erect penis at its thickest point. You can do this using a flexible measuring tape or by wrapping a string around your penis and then measuring the string with a ruler.

Calculating Your Recommended Size

Our calculator uses your measurements to suggest the most suitable Durex condom. The core of the calculation involves determining the ideal nominal width based on your erect circumference. Here's a general guideline:

  • Calculating Nominal Width from Circumference: The nominal width is typically about half of the circumference. So, Nominal Width = Circumference / 2.
  • Adjusting for Preferred Fit:
    • Snug Fit: If you prefer a snugger fit or find condoms often feel too loose, the calculator might suggest a nominal width slightly smaller than half your circumference.
    • Regular Fit: This is the standard recommendation, generally close to half your circumference.
    • Loose Fit: If you find most condoms too tight or uncomfortable, the calculator might suggest a nominal width slightly larger than half your circumference.

For example, if your erect circumference is 12 cm (120 mm), half of that is 60 mm. This might point you towards condoms with a 56mm-57mm nominal width for a regular fit, or potentially 52mm-54mm for a snugger fit, or 60mm+ for a looser fit.

Durex Condom Examples (Approximate Ranges)

Durex offers various condom types. Here are some common ones and their approximate nominal width ranges to help you understand the options:

  • Durex Thin Feel / Ultra Thin: Often around 52mm – 56mm nominal width, designed for increased sensitivity.
  • Durex Extra Safe: Typically around 56mm nominal width, designed for extra reassurance.
  • Durex XXL / Large: Usually 56mm – 60mm nominal width, offering a roomier fit for those who need it.
  • Durex Comfort / Classic: Often around 56mm nominal width.
  • Durex Sensual Strawberry / Flavoured: Varies, but often in the 52mm – 56mm range.

Note: Specific nominal widths can vary slightly between product lines and regions. Always check the product packaging for precise measurements.

Why Fit Matters

A well-fitting condom feels secure without being constricting. It should stay in place during intercourse and not cause discomfort or pain. Using the correct size enhances the experience for both partners and, most importantly, ensures the condom functions effectively as a barrier.

function calculateCondomSize() { var lengthInput = document.getElementById("erectLength"); var circumferenceInput = document.getElementById("erectCircumference"); var fitPreference = document.getElementById("preferredFit").value; var length = parseFloat(lengthInput.value); var circumference = parseFloat(circumferenceInput.value); var nominalWidth, condomName, condomLength = "–"; var errorMessage = ""; // Input validation if (isNaN(length) || length 25) { errorMessage += "Please enter a valid erect length between 5 cm and 25 cm.\n"; } if (isNaN(circumference) || circumference 20) { errorMessage += "Please enter a valid erect circumference between 5 cm and 20 cm.\n"; } if (errorMessage !== "") { alert(errorMessage); document.getElementById("recommendedSize").innerText = "Invalid Input"; document.getElementById("condomName").innerText = "–"; document.getElementById("condomNominalWidth").innerText = "Nominal Width: –"; document.getElementById("condomLength").innerText = "Length: –"; return; } // Calculate Nominal Width based on Circumference and Fit Preference var calculatedWidth = circumference / 2; // Base calculation if (fitPreference === "snug") { // For snug fit, reduce width slightly. Aim for ~5-8mm less than half circumference. if (calculatedWidth > 54) { nominalWidth = Math.max(47, Math.round((calculatedWidth – 6) * 10) / 10); // Ensure it doesn't go below 47mm } else { nominalWidth = Math.max(47, Math.round(calculatedWidth * 10) / 10); // For smaller circumferences, may not need to reduce much } condomName = "Snug Fit / Smaller Size"; condomLength = "Standard (approx. 180mm+)"; } else if (fitPreference === "loose") { // For loose fit, increase width slightly. Aim for ~2-5mm more than half circumference. nominalWidth = Math.min(69, Math.round((calculatedWidth + 3) * 10) / 10); // Ensure it doesn't go above 69mm condomName = "Loose Fit / Larger Size"; condomLength = "Standard (approx. 180mm+)"; } else { // Regular fit nominalWidth = Math.round(calculatedWidth * 10) / 10; condomName = "Regular Fit"; condomLength = "Standard (approx. 180mm+)"; // Adjust nominal width to common Durex sizes if calculated width is close if (nominalWidth >= 51 && nominalWidth = 54 && nominalWidth = 57 && nominalWidth = 60 && nominalWidth 62) nominalWidth = 64; // Even larger options exist beyond standard Durex sizing in some markets } // Refine recommendation based on calculated nominal width and general Durex ranges var suggestedCondomCategory = ""; if (nominalWidth <= 51) { suggestedCondomCategory = "Durex Thin Feel / Extra Safe (Smaller)"; nominalWidth = 52; // Snap to nearest common size } else if (nominalWidth <= 54) { suggestedCondomCategory = "Durex Thin Feel / Comfort / Sensual"; nominalWidth = 52; // Snap to nearest common size } else if (nominalWidth <= 56) { suggestedCondomCategory = "Durex Comfort / Extra Safe / Classic"; nominalWidth = 56; } else if (nominalWidth <= 57) { suggestedCondomCategory = "Durex Comfort / Extra Safe"; nominalWidth = 57; // Some Durex products are 57mm } else if (nominalWidth <= 60) { suggestedCondomCategory = "Durex XXL / Large"; nominalWidth = 60; } else { suggestedCondomCategory = "Durex XXL / Large (Largest Available)"; nominalWidth = 64; // Representing larger sizes beyond standard 60mm } // Display results document.getElementById("recommendedSize").innerText = "Based on your inputs"; document.getElementById("condomName").innerText = suggestedCondomCategory; document.getElementById("condomNominalWidth").innerText = "Nominal Width: " + nominalWidth + " mm"; document.getElementById("condomLength").innerText = "Length: " + condomLength; }

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