Why I Built This Calculator
I created this tool because I needed it myself. I’m currently working out a safe, personalised dosing schedule with support from my GP, and I found that most of the charts floating around online were either confusing, poorly formatted or completely non-interactive. Nothing showed the maths in a clear, visual way, and nothing helped me double-check my dose instructions without feeling like I needed an engineering degree.
So I built a calculator I wish I’d had from the beginning: simple, transparent and easy to use. It doesn’t tell you what dose to take. It just helps you understand how clicks, milligrams and pen volume relate to each other, and why your doctor’s plan might not match the “standard four doses per pen” idea you see online.
My Results With Mounjaro
For context, Mounjaro has been extremely effective for me. I’ve lost over 24 kg (about 53 lbs) in roughly six months by combining the medication with daily walks and regular weight training. It’s not magic, but it has made the process manageable and sustainable in a way nothing else has.
My Story
For most of my life I was the quintessential “train hard, eat well, stay fit” person. I played high-level amateur sport and was still running around playing basketball and Australian Rules football well into my late forties. Training, weights and discipline were just part of who I was — and I took a lot of pride in staying in good shape.
A neck injury changed everything and resulted in instant retirement from all sport. I needed a fusion, which came with a bonus prize: relentless migraines. Any kind of exercise triggered them, so the one thing I’d always relied on to stay healthy suddenly became impossible. Over the next few years I put on more than 25 kg, and it hit me hard. The extra weight affected my mental health, put pressure on my knees and back, and honestly just made me feel unlike myself.
Starting Mounjaro was a circuit breaker. I’ll be honest — after a lifetime of doing it the “hard way”, it initially felt a bit like cheating. But everyone’s journey is different, and this was the tool that helped
me climb out of a hole I couldn’t brute-force my way out of.
The change has been huge. The weight came off, the knee and back pain eased, and the migraines reduced significantly. More importantly, I started feeling like myself again — physically and mentally. That’s a big part of why I built this calculator: to make the whole dosing side of things simpler for anyone else walking a similar path.
If This Tool Helped You
This site took a fair amount of time and effort to put together and it requires time and money to maintain. If you’ve found the calculator useful, it would genuinely mean a lot if you considered making a small donation to support ongoing updates and hosting costs.