Calorie Intake
TDEEEstimate maintenance calories from body stats and activity.
Calculators
All calculators
Choose a tool by goal, run a quick estimate, and save your link for next week.
Calorie Intake
BMRCalculate resting calorie burn with Mifflin-St Jeor.
Fat Loss
Calorie DeficitSet a deficit and estimate weekly fat-loss pace.
Calorie Intake
Calorie SurplusSet a surplus and estimate weekly weight gain pace.
Protein Intake: How Much You Need (Simple Ranges + Examples)
Protein IntakeTarget daily protein based on goal and training frequency.
Macro Intake: How to Set Protein, Carbs, and Fat (Without Overthinking)
MacroSplit calories into protein, carbs, and fats.
Body Composition: Body Fat, Lean Mass, BMI Explained Simply
BMICompute body mass index and category range.
Body Composition: Body Fat, Lean Mass, BMI Explained Simply
Body FatEstimate body fat percentage using the US Navy method.
Body Composition: Body Fat, Lean Mass, BMI Explained Simply
Lean Body MassEstimate lean and fat mass from weight and body fat.
Body Composition: Body Fat, Lean Mass, BMI Explained Simply
Ideal WeightCompare Devine and Hamwi ideal body weight estimates.
Body Composition: Body Fat, Lean Mass, BMI Explained Simply
Waist to Hip RatioTrack waist-to-hip ratio and cardiometabolic risk bands.
Fat Loss
Waist to Height RatioCheck central adiposity risk using waist and height.
Performance
One Rep MaxEstimate your one-rep max and training max from reps.
Performance
Water IntakeEstimate daily hydration with body weight and activity.
Performance
Steps to CaloriesEstimate calories burned from daily step count.