Buying a bikini  online can be convenient, but finding the right size can sometimes be confusing. Bikini sizes may vary between brands, so relying only on your usual clothing size isn't always the best approach.

The most reliable way to choose the right bikini size online is to take accurate body measurements, compare them with the brand's size chart, and consider the fit and coverage you prefer.

1. Measure Your Bust

To choose the right bikini top, measure around the fullest part of your bust.

Keep the measuring tape level across your back and avoid pulling it too tightly. The tape should sit comfortably against your body.

Your bust measurement is particularly important for triangle bikinis, bralette styles, and tops with structured cups.

2. Measure Your Waist

Measure around your natural waist, usually the narrowest part of your torso.

Keep the measuring tape comfortably against your skin without pulling it tight or holding your stomach in.

This measurement is especially useful when choosing high-waisted bikini bottoms.

3. Measure Your Hips

For bikini bottoms, your hip measurement is one of the most important measurements.

Wrap the measuring tape around the fullest part of your hips and seat, keeping the tape straight and level.

This helps you choose a bottom that provides the right amount of coverage without feeling too tight.

4. Always Check the Brand's Size Chart

Don't assume that a small, medium, or large will fit the same across every brand.

Before placing your order, compare your:

• Bust measurement
• Waist measurement
• Hip measurement

with the brand's specific size chart.

If your top and bottom measurements fall into different sizes, consider choosing separates so you can select the most suitable size for each piece.

5. Consider the Fit You Want

The correct bikini size should feel secure without being uncomfortably tight.

For a supportive fit, look for a size that keeps the bikini securely in place without digging into your skin.

If you prefer more room or coverage, consider adjustable styles, higher-rise bottoms, or fuller-coverage designs.

Avoid choosing a smaller size simply to make the bikini look tighter. An overly tight bikini can cause discomfort and may reduce coverage.

6. Look for Adjustable Features

Adjustable swimwear can make finding a comfortable fit much easier.

Useful features include:

• Adjustable shoulder straps
• Tie-side bikini bottoms
• Adjustable back closures
• Removable cups
• Stretchable fabric

These features allow you to make small adjustments after trying the bikini on.

7. What If You're Between Two Sizes?

If your measurements fall between two sizes, consider which area requires more room.

For bikini bottoms, prioritize your hip measurement and desired coverage.

For bikini tops, consider your bust measurement and the amount of support you need.

You can also check the product's fit notes or contact the brand if you need help choosing between sizes.

8. Read Customer Reviews

Product reviews can provide useful information about how a bikini actually fits.

Look for comments about:

• Whether the bikini runs small or large
• Stretch and fabric feel
• Bust support
• Bottom coverage
• Waistband comfort
• Overall fit

Remember that reviews are subjective, so use them together with the brand's size chart rather than relying on them alone.

9. Check the Return or Exchange Policy

Before buying swimwear online, check the brand's return and exchange conditions.

Some swimwear products may have specific hygiene requirements, such as an intact hygiene liner or being unworn.

Knowing the policy beforehand can make online shopping less stressful if you need a different size.

Quick Bikini Sizing Checklist

✓ Measure your bust
✓ Measure your waist
✓ Measure your hips
✓ Check the brand's size chart
✓ Consider your preferred coverage
✓ Look for adjustable features
✓ Read customer fit reviews
✓ Check the return and exchange policy

Bikini Sizing Guide at a Glance