If you are returning to exercise, have health concerns or are unsure how to begin, use the Safe Start Fitness Pathway first. It helps identify whether a gradual fitness start, additional guidance or healthcare review may be the more appropriate next step.
Use Safe StartUFitness.sg Fitness and Health Tools
Fitness and Health Calculators Singapore
Explore educational tools for body composition, energy needs, heart rate, training intensity, functional fitness, exercise readiness and general fitness planning.
A calculator provides an estimate, not the whole picture. Your goals, current activity, exercise readiness, health considerations and individual circumstances should be considered when interpreting any result.
Body Composition Energy Needs Heart Rate and Training Zones Functional Fitness Exercise Readiness Fitness Planning
Choose the right starting point
Not everyone needs the same tool first. Readiness and calculator results answer different questions.
Calculator results can help you explore areas such as body composition, estimated energy needs, heart rate zones, functional fitness and exercise planning. Results should be interpreted as educational estimates rather than diagnoses.
View CategoriesWhat would you like to understand?
Use these categories to find the type of fitness information most relevant to your question. Individual calculators can sit below this introduction on the same hub page.
Body Composition Explore measures such as BMI, waist related indicators and body composition awareness.
Energy Needs Explore estimated resting energy and daily energy requirements for general planning.
Heart Rate and Training Zones Understand estimated heart rate ranges and training intensity guidance.
Functional Fitness Explore practical measures related to strength, walking ability, balance and everyday function.
Exercise Readiness Review considerations that may affect how and when general exercise should begin or progress.
Fitness Planning Use educational estimates alongside goals, activity level and training preferences.
Looking specifically at senior fitness?
Older adults and families can also use the dedicated Senior Fitness Readiness Tool and the Senior Fitness Singapore guide for more age relevant information.
Important Fitness and Health Notice
UFitness.sg calculators provide general estimates for fitness education, awareness and planning. They do not diagnose medical conditions and do not replace medical advice, clinical screening, treatment, physiotherapy, occupational therapy or rehabilitation. If you have concerning symptoms, significant health changes, recent surgery or are unsure whether exercise is appropriate, seek advice from an appropriate healthcare professional.