- MODELS
- DATA
- PLAN
- HUMAN
Short answer
How can I estimate my 1RM without a max attempt?
Your AI uses mathematical models to calculate your estimated one rep max based on the weight and reps you actually performed. You'll get a range of estimates based on different formulas.
The results you get
Strength estimation outcomes
Once you provide your lifting data, your AI delivers these specific results.
MODELS
Multiple math models
The AI runs your data through different formulas like Epley or Brzycki. You get a range of estimates rather than a single guess.
DATA
Submaximal set analysis
The AI looks at your weight and repetitions from recent workouts. It turns these numbers into a projected maximum.
PLAN
Training load guidance
Use the predicted max to set your training percentages. This helps you pick the right weight for strength blocks.
HUMAN
Manual verification
The AI provides the math, but you decide if the number feels right. You use the prediction to guide your next heavy session.
The workflow
What your AI does when the data arrives.
The AI handles the heavy lifting of the calculations so you don't have to pull out a calculator.
Data ingestion
Your AI reads the weight and rep counts from your provided training logs or recent sets.
estimate_one_rep_maxFormula application
The agent applies various strength formulas to your specific submaximal performance data.
estimate_one_rep_maxRange calculation
It calculates a spread of possible maximums based on how different models interpret your fatigue and intensity.
estimate_one_rep_maxResult delivery
The AI presents the estimated max and the underlying math in a clear format for your training plan.
estimate_one_rep_max
Try it
Copy these to start.
Use these prompts to get moving immediately.
Starting points
Swap the bracketed info with your actual lift data, like weight and reps.
One Rep Max Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_XKurfWTd774frZPUv4mWAuarI6C0tvKxTv5rEy9F/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — One Rep Max Calculator capabilities are ready to use.
{
"mcpServers": {
"one-rep-max-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_XKurfWTd774frZPUv4mWAuarI6C0tvKxTv5rEy9F/mcp"
}
}
}Estimate my 1RM based on my last set of 3 reps at 225 lbs.
Calculate my one rep max using the data from my Squat log in this sheet.
Compare my 1RM estimates from my recent Bench Press sets using different models.
Based on my 5 reps at 185 lbs, what should my training weight be for a 75% intensity set?
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Start here
Connect One Rep Max Calculator once, then ask.
Just link the MCP to your preferred client. Your credentials stay encrypted, and you can start asking for strength estimates right away.
Connect One Rep Max Calculator to your AIFAQ
How this task behaves
- 01
Does the AI know my actual max?
No. The AI only estimates your max based on the submaximal data you provide.
- 02
Can the AI change my training logs?
No. The AI only reads your data to perform calculations; it cannot edit your files or logs.
- 03
Which math models does it use?
It uses standard strength formulas like Epley and Brzycki to provide a range of estimates.
- 04
Is the prediction 100% accurate?
No. These are mathematical estimates. You should always use your own judgment when testing heavy weights.
- 05
Can I use this for any lift?
Yes. As long as you provide the weight and reps, the AI can run the math for any movement.
More questions about One Rep Max Calculator? The Connector page answers them. See everything the One Rep Max Calculator Connector can do
Connect One Rep Max Calculator to Claude, Cursor, ChatGPT & more
