🌡️ Body Temperature Converter
Convert between Fahrenheit and Celsius for medical monitoring. Normal body temperature: 98.6°F (37°C). Track fever, hypothermia, and temperature changes with accurate medical reference points.
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📊 Temperature Status
📍 Quick Reference
📖 Understanding Body Temperature
Body temperature is a vital sign that reflects your body's ability to generate and eliminate heat. Normal body temperature varies by age, time of day, measurement method, and individual factors. The traditional "normal" temperature of 98.6°F (37°C) is an average; most healthy adults have temperatures between 97°F and 99°F (36.1°C to 37.2°C).
🔬 Conversion Formulas
°F = (°C × 9/5) + 32
Example: 98.6°F = (98.6 - 32) × 5/9 = 37.0°C
🌡️ Temperature Ranges by Category
💡 Important Factors
- Age: Infants and elderly have different normal ranges
- Time of Day: Temperature is typically lowest in early morning, highest in late afternoon
- Measurement Method: Oral (most common), rectal (most accurate), ear, forehead, armpit
- Activity Level: Exercise can temporarily raise body temperature
- Menstrual Cycle: Women's temperature fluctuates throughout cycle
⚡ Medical Temperature Presets
Quick access to common medical temperature reference points.
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❓ Frequently Asked Questions
What is normal body temperature?
Normal body temperature is approximately 98.6°F (37°C), but can range from 97°F to 99°F (36.1°C to 37.2°C) depending on age, time of day, and measurement method. Oral temperature is most common for adults.
What temperature is considered a fever?
A fever is generally defined as a body temperature of 100.4°F (38°C) or higher. Low-grade fever: 99.5-100.3°F (37.5-37.9°C). Moderate fever: 100.4-102.9°F (38-39.4°C). High fever: 103°F (39.5°C) or higher.
When should I see a doctor for fever?
Seek medical attention if: fever exceeds 103°F (39.4°C) in adults, fever persists for more than 3 days, accompanied by severe symptoms (difficulty breathing, chest pain, confusion, severe headache), or if you have underlying health conditions.
Which thermometer method is most accurate?
Rectal temperature is the most accurate, followed by oral, ear (tympanic), forehead (temporal artery), and armpit (axillary). Oral is most commonly used for adults, while rectal is preferred for infants and young children.
What is hypothermia?
Hypothermia occurs when body temperature drops below 95°F (35°C). Symptoms include shivering, confusion, drowsiness, and slurred speech. Severe hypothermia is a medical emergency requiring immediate treatment.
Does body temperature vary by age?
Yes. Infants and children typically have slightly higher normal temperatures (up to 99.5°F/37.5°C). Older adults may have lower baseline temperatures. Always consult age-specific guidelines when monitoring temperature.
⚕️ Medical Disclaimer
This Body Temperature Converter is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. If you have a fever (>100.4°F / 38°C), persistent symptoms, or health concerns, consult a qualified healthcare provider immediately. Temperature ranges may vary by age, time of day, and measurement method (oral, rectal, ear, forehead). Always seek professional medical guidance for health-related decisions.