Free Tools & Calculators
UK-focused health and fitness calculators, built with clinically-validated formulas. All weights in stones and pounds.
How Much Weight Have I Lost?
Track your weight loss in stones and pounds. See BMI changes, progress percentage, and milestones.
How Much Protein Do I Need?
Find your daily protein needs based on weight, activity level, and goals. With meal plan and food sources.
Calorie Deficit Calculator UK
Find your TDEE, pick a safe deficit, and see exactly when you will reach your goal weight.
© 2026 TodaysPast. These tools provide estimates only and do not constitute medical advice.