Men’s Shirt Size Calculator
Finding the perfect shirt size can be challenging with different sizing standards across brands and countries. Our comprehensive men’s shirt size calculator uses your height, weight, and body measurements to determine your ideal shirt size across multiple international sizing systems. Get accurate size recommendations for US, UK, European, and Asian shirt sizes instantly.
Calculate Your Perfect Shirt Size
Your Recommended Shirt Size
How to Measure for Perfect Shirt Fit
Getting accurate measurements is crucial for finding the right shirt size. Follow these simple steps to measure yourself correctly:
Essential Measurements
- Chest/Bust: Wrap the measuring tape around the fullest part of your chest, just under your armpits. Keep the tape parallel to the ground.
- Waist: Measure around your natural waistline, which is typically the narrowest part of your torso.
- Neck: Measure around the base of your neck where your collar would sit. Allow room for one finger between the tape and your neck.
- Shoulder Width: Measure from one shoulder point to the other across your back.
- Arm Length: With your arm slightly bent, measure from your shoulder to your wrist.

Measuring Tips
- Use a flexible measuring tape for accurate results
- Wear form-fitting clothing or measure directly on skin
- Ask someone to help you measure for better accuracy
- Take measurements at the same time of day
- Stand straight with relaxed shoulders
How to Use the Shirt Size Calculator
Our shirt size calculator is designed to be simple and accurate. Here’s how to get the best results:
Step-by-Step Instructions
- Select Measurement System: Choose between Feet & Inches or Centimeters for your height input.
- Enter Your Height: Input your height based on your selected measurement system.
- Enter Your Weight: Add your weight in kilograms or pounds based on your preference.
- Select Body Build: Choose from slim, average, or athletic build types to get more accurate recommendations.
- Choose Fit Preference: Select whether you prefer tight, regular, or loose-fitting shirts.
- Calculate: Click the “Calculate Size” button to get your recommended shirt size.
- View Results: See your size in US format plus international conversions.
Understanding the Results
The calculator provides your recommended size in multiple formats. It shows your primary US size and converts it to UK, European, Japanese, Italian, and Australian sizing systems. This makes it easy to shop from international brands.
Remember that sizing can vary between brands and manufacturers. Our calculator provides a reliable starting point, but always check specific brand size charts when possible.

Understanding Different Shirt Types
Different shirt styles may fit differently even in the same size. Here’s what you need to know:
Dress Shirts
Dress shirts typically have a more tailored fit and are sized by neck and sleeve measurements. They’re designed to be worn tucked in and often have a more structured shape.
Casual Shirts
Casual button-down shirts usually offer more relaxed sizing and are designed for comfort. They often have more room in the chest and waist areas.
T-Shirts
T-shirts generally follow standard sizing (S, M, L, XL) and are designed for a comfortable, casual fit. The material and cut can significantly affect how they fit.
Athletic Shirts
Performance and athletic shirts are designed for movement and may have a more fitted cut to reduce friction during activities.
FAQs about Men’s Shirt Size Calculator
Our calculator is highly accurate for most body types, with about 85-90% accuracy. It uses proven sizing algorithms based on anthropometric data. However, individual brand variations and personal preferences may require minor adjustments.
For dress shirts, choose the smaller size for a tailored look. For casual shirts, go with the larger size for comfort. Consider the fabric – stretch materials allow for smaller sizes, while rigid fabrics need more room.
Yes, different materials can affect fit significantly. Cotton blends offer some stretch, while 100% cotton may shrink slightly. Athletic materials are designed to move with your body. Always consider fabric properties when selecting your size.
International sizes can vary significantly. European sizes typically run 1-2 sizes smaller than US sizes. Asian sizes often run 2-3 sizes smaller. UK sizes are generally similar to US sizes but may have slight variations. Always check specific brand size charts.
Remeasure every 6-12 months or after significant weight changes of 10+ pounds. Body measurements can change due to fitness routines, aging, or lifestyle changes. Regular measurements ensure consistently good-fitting shirts.
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