Free Tools

Free Fitness Calculators

Transparent tools built on published formulas — no sign-up, no paywall, no black boxes. Just honest numbers to support your training.

Body & Health

BMI CalculatorCalculate your Body Mass Index Body Fat EstimatorEstimate body fat using the Navy method Ideal Body WeightFind your ideal weight range Waist-to-Hip RatioAssess health risk from body shape Water IntakeCalculate daily water needs Calorie Deficit PlannerPlan your weight loss timeline Sleep CalculatorFind your ideal bedtime based on sleep cycles Cut or Bulk?Should you cut, bulk, or recomp?Caffeine CalculatorWhen will your coffee wear off?

Training

1RM EstimatorEstimate your one-rep max TDEE CalculatorCalculate total daily energy expenditure Heart Rate ZonesFind your training heart rate zones Calories BurnedEstimate calories burned per exercise Pace CalculatorConvert running pace, distance, and time Rest TimerConfigurable rest timer between sets RPE CalculatorConvert RPE to percentage of 1RM Warm-Up CalculatorCalculate your warm-up ramp with plate math Workout Split GeneratorGet a personalised training split Strength StandardsHow do your lifts stack up?Race Time PredictorPredict your finish time from a recent race

Nutrition

Macro CalculatorCalculate your daily macros Protein CalculatorFind your optimal protein intake Meal Prep BudgetPlan meals on a budget Calorie ComparisonCompare two foods side by side Fasting TimerTrack your intermittent fasting window Supplement GuideWhat works and what's a waste of money

Lifestyle & Progress

Weight Loss TimelineVisualise your projected weight loss Gym Bag ChecklistNever forget your kit again

All tools are 100% free, no sign-up required. Every formula is shown — no black boxes.

The information provided by Raw Potential Collective is for general informational and educational purposes only. It is not intended as medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting any exercise programme, making dietary changes, or if you have concerns about your health. The calculations and tools on this platform are estimates based on general formulas and may not reflect your individual circumstances. Raw Potential Collective accepts no liability for any injury, loss, or damage arising from the use of this platform.

Want to track your progress over time?

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Not medical advice. Consult a healthcare professional before starting any exercise or diet programme.