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AI Fit Hub

Know your numbers. Train smarter.

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10 tools · Free · No signup

Tool Finder

10 tools shown

Nutrition

3 tools

Nutrition

TDEE

Estimate your daily energy expenditure with Mifflin-St Jeor + activity factors.
Nutrition

Macros

Convert calorie targets into protein, carbs, and fat grams for your goal.
Nutrition

Protein Intake

Get daily protein targets based on training level and goal.

Strength

1 tool

Strength

1RM

Estimate one-rep max with Epley, Brzycki, and Lombardi formulas.

Cardio

1 tool

Cardio

Running Pace

Calculate pace per km and mile and project race finish times from one run.

Body Composition

3 tools

Body Composition

BMI

Calculate BMI quickly with a plain-language range explanation and limitations.
Body Composition

Body Fat %

Estimate body fat percentage using the U.S. Navy circumference method.
Body Composition

Ideal Weight

Compare Devine, Robinson, Miller, and Hamwi formulas as a realistic range.

Recovery

1 tool

Recovery

Heart Rate Zones

Calculate personalized training zones with the Karvonen method.

Planning

1 tool

Planning

Calorie Deficit

Estimate required daily calorie deficit for a target timeline and bodyweight change.