Measure your progress and track your success with precision. Unlock your full potential with one simple tool.
Threo caliper measures your body fat percentage accurately. Track your progress, and adjust your fitness routine accordingly.
Accurate and Reliable
Endorsed by the World Natural Bodybuilding Federation
Private and Easy to Use
Inexpensive and convenient
Keep track of your progress without having to spend a lot of money. Practical design and affordable price make this caliper an effortless and cost-effective tool.


Durable construction
Made with high-quality materials, Threo caliper is durable and built to last. It is a worthwhile investment in your fitness journey.
Non-invasive
Unlike other body fat measurements, a body fat measure tester caliper is non-invasive. It does not require the user to immerse themselves in water or use electrical currents.

More reasons to love our caliper
Tom H.
Simple but effective! Love the precision it offers.
Alice
Accurate and easy to use. A must-have for fitness enthusiasts.
Bob
Great tool, but could use more detailed instructions.
Jamie
The body fat measure tester caliper is incredibly reliable. I’ve been using it for weeks, and it consistently gives me accurate readings. Highly recommended for anyone serious about tracking fitness progress.
Alex J.
Reliable and accurate. Perfect for tracking my fitness journey!
Samantha R.
Easy to use. Helps me stay motivated.
Jessie F.
Works well but could improve the quality of instructions.
Craig L.
Great value! This caliper is a game-changer for body fat measurement. Highly precise readings that are consistent over time. The clip design ensures easy and efficient operation without unnecessary hassle. Strongly recommended for anyone serious about their fitness regimen.
Lisa
Accurate and easy to use! Great addition to my fitness routine.
Tom
Good product, slightly finicky at first. Helpful for tracking fat.