Thyroid Function Calculator
Interpret your thyroid function tests (TSH, Free T4, Free T3) and understand your thyroid status.
Important Health Disclaimer
This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.
For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.
Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.
Not a substitute for professional medical advice
Lab Values
Normal: 0.4-4.0 mIU/L
Normal: 0.8-1.8 ng/dL
Normal: 2.3-4.2 pg/mL
Thyroid Status
Euthyroid (Normal)
Thyroid function appears normal.
TSH
2.5
Normal
Free T4
1.2
Normal
Free T3
3
Normal
Recommendations
- β’ Continue routine monitoring
- β’ Annual thyroid check if symptoms arise
- β’ Maintain healthy lifestyle
T3/T4 Ratio
2.50
Normal ratio: 2.0-4.0
Disclaimer: This calculator provides general guidance only. Thyroid test interpretation requires clinical context. Consult your healthcare provider for proper diagnosis and treatment.
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