"Redefine home fitness with their innovative, portable design."

"It straddles that rare line where nerdy engineering meets genuinely clever design."

"Revolutionize fitness with a sleek, portable design, empowering everyone.“

"Exemplify innovative design, seamlessly blending portability and functionality."

"The most wrist-friendly, brutally effective training tool which turns any room into a full-blown battle arena."

Featured Products

Three of the world's best RBRs for different levels.

Why is Calories Planet Different?

We Think Bold

We’re not afraid to shake things up. Instead of copying what everyone else does, we chase ideas that sound a bit crazy at first—like building a battle rope without the rope. We keep what works from the classics, but push hard for something genuinely better.

We Care

We actually care about how you feel when you train. Every tweak we make is because we want you to finish a workout thinking, “Wow, that felt good”—less joint pain, more sweat, and that real buzz of accomplishment. Your progress and enjoyment drive everything we do.

We Engineer

We’re a team of engineers who live for fitness and facts. Nothing goes into our products unless it’s backed by real math, lab tests, and brutal real-world use. If it doesn’t measurably make your training better, it doesn’t make the cut. Simple as that.

Our Journey

Scroll to explore our Journey

2023
2024
2025
2026
Future

Brainstorming & Prototyping

Amid global shifts toward remote work and home fitness, our passionate product designer Key Huang crafted the first Ropeless Battle Ropes prototype at home. Shared with the fitness community, it quickly gained massive popularity and enthusiastic feedback.

X1: The First Model Launched

Our inaugural production model, the X1, hit the market and became an Amazon Best Seller in the Ropeless Battle Ropes category within just two months of launch. It also earned strong endorsements from fitness professionals!

X2: Major Crowdfunding Success

Our flagship X2 achieved tremendous success on Kickstarter, attracting interviews and spotlight features from leading design industry media. The X2 stands as the most comfortable, professional, and versatile Ropeless Battle Ropes to date.

X1 Go: Lightweight Edition Launched

To meet the needs of diverse fitness enthusiasts, we introduced the compact X1 Go – smaller in size, with softer springs for gentler resistance, and exceptional value. This revolutionary tool makes professional-grade training accessible to even more people.

Future

We’re excited to officially launch our ultimate X2, bringing the most advanced Ropeless Battle Ropes experience to users worldwide – empowering everyone to build strength and fitness anytime, anywhere.