Our free growing collection of simple tools designed for men to help develop fitness and better health.
MFO TOOLS
Useful answers. No signup, no nonsense.
Four quick tools to give you a useful number, recommendation or starting point, then get you back to training.
Nutrition Calculator
Bulking Calculator
Get a calorie and protein target based on your body, goals and training experience.
Calculate My Bulk
Body Composition
BMI Calculator for Men Who Lift
Standard BMI cannot tell muscle from fat. This version gives lifters a more useful assessment.
Check My BMI
Body Proportions
What Sport Are You Built For?
See how your height, limbs and proportions may influence the sports and lifts that suit you.
Take The Test
Supplements
What Supplements Do You Actually Need? (BETA)
Start with your goal and narrow the supplement aisle down to what may actually be useful.
Take The QuizHOW DO YOU MEASURE UP?
See how you compare.




