Thyroid Function Calculator

Interpret your thyroid function tests (TSH, Free T4, Free T3) and understand your thyroid status.

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

  • Continue routine monitoring
  • Annual thyroid check if symptoms arise
  • 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.