IronClock
A free barbell loading calculator and rest timer for training days, coaching sessions, and busy strength spaces.
Kolosseum.tools gives lifters, coaches, gyms, clubs, and federations practical strength training utilities that are quick to open, easy to use, and built for the gym floor.
Simple tools for lifters, coaches, gyms, clubs, and federations. Open what you need and use it straight away.
A free barbell loading calculator and rest timer for training days, coaching sessions, and busy strength spaces.
Copy a ready-made gym message, share selected tools, and print a clean QR poster for the gym floor.
Create a gym workspace, save tracked referral links, reopen them later, copy them, and print QR posters for gym sharing.
Lightweight tools for coaches who need fast, practical support for session planning and athlete organisation.
Open the tool, calculate barbell loading, time rest periods, and keep training moving without creating an account.
Use the Gym Sharing Pack to copy a member message, share IronClock, print a QR poster, or create a gym login to manage saved referral links.
Register interest in future free tools, gym sharing, coach tools, federation or club use, or suggest a useful tool. Updates are only sent if you choose to receive them.