MCP For Claude Marketplace
One-Rep Max Calculator

One-Rep Max Calculator MCP Connector for Claude

A+

Estimate your maximum strength capacity using 8 different physiological models.

3 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

The One-Rep Max Calculator provides a comprehensive analysis of your lifting potential. By inputting the weight lifted and repetitions performed, you can use calculate_all_1rm_formulas to see estimates from eight distinct models: Epley, Brzycki, Lander, Lombardi, Mayhew, O'Conner, Wathan, and the mean of all. This tool helps identify your strength baseline without the physical risk of a true 1RM test. Additionally, use get_perc_table to generate training intensity charts from 50% to 100%, and identify_best to find the most accurate formula for your current repetition range.

1rmstrengthweightliftingfitness-trackingpowerlifting

3 tools expose this connector's capabilities to your AI agent.

calculate_all_1rm_formulas

Calculates the theoretical 1RM using all eight distinct estimation models

get_perc_table

Generates a training intensity reference table

identify_best

Recommends the most reliable estimation formula

See how to talk to your AI agent using One-Rep Max Calculator.

I just lifted 100kg for 5 reps. What is my estimated 1RM using all formulas?

Based on your 100kg lift for 5 reps, the Epley estimate is 120kg, Brzycki is 116.67kg, and the average across all eight models is approximately 118.45kg.

Generate a training table for a 120kg 1RM.

For a 120kg baseline, your 50% target is 60kg, 75% is 90kg, and 100% is 120kg.

I did 8 reps recently. Which formula is best for me?

For a set of 8 repetitions, the Wathan model is recommended as it accounts for higher volume fatigue factors.

Accuracy depends on your repetition range. Low repetitions (1-3) provide the most reliable data across all models, while higher reps may lead to slight variations between formulas.

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