Best Tools to Measure Your Body Size Online in 2026

The market for online body measurement tools has grown significantly. Here's our comparison of the best options available in 2026.

Comparison Table

How We Evaluated

We tested each tool based on:

Accuracy How close are the measurements to manual tape measure?

Ease of use How many steps? How long does it take?

Privacy Are photos uploaded to servers or processed locally?

Cost Free vs paid vs subscription

Output What measurements do you get? Size recommendations?

Detailed Reviews

BodySize AI ⭐⭐⭐⭐⭐

Best for quick, private size checks. Browser-based, no app download needed, and photos never leave your device. Good for getting S/M/L/XL size recommendations.

Accuracy Good for letter sizes

Privacy Best in class (no upload)

Price Free forever

Best for Amazon/online shoppers

Zyzia ⭐⭐⭐⭐

Excellent for detailed body measurement tracking over time. The 3D model visualization is impressive.

Accuracy Very good (±1-2cm)

Privacy Requires upload to cloud

Price Free version limited, premium ~$5/mo

Best for Fitness enthusiasts

MeThreeSixty ⭐⭐⭐

Great accuracy but privacy concerns (your data may be shared with partner brands).

Accuracy Excellent (±1cm claimed)

Privacy Your body data may be shared

Price Free (you are the product)

Best for Customers of partner brands

Bodygram ⭐⭐⭐⭐

Best option if you need tailor-grade measurements for custom clothing.

Accuracy Very good (±1-2cm)

Privacy Requires upload

Price $5-10 per report

Best for Custom clothing orders

Our Recommendation

For everyday online shopping, BodySize AI offers the best balance of convenience, privacy, and accuracy. It's free, works in any browser, and protects your privacy by keeping photos on your device.

For fitness tracking or custom clothing, consider dedicated apps like Zyzia or Bodygram.