Health ToolsetFitness & Metabolism
Heart rate, metabolic rate, and energy expenditure tools
Air Force PT Calculator (2026 PFRA Scoring)
Score the Air Force Physical Fitness Readiness Assessment: 2-mile run or HAMR, push-ups, sit-ups, reverse crunch or plank, and waist-to-height ratio, using the charts effective 1 March 2026.
Bmr Calculator - Free Online Tool
Calculate your Basal Metabolic Rate using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle equations. See daily calories for all activity levels.
FFMI Calculator (Fat-Free Mass Index)
Calculate your fat-free mass index and height-normalized FFMI from weight, height and body fat, and compare it with the 25.0 drug-free ceiling from Kouri et al.
Tdee Calculator - Free Online Tool
Calculate your Total Daily Energy Expenditure based on BMR and activity level. Get personalized calorie targets for weight loss, maintenance, or gain.
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