Temperature Conversion Calculator
Convert between °C, °F, K for storage and stability monitoring
Stability Monitoring
Temperature Conversion
25°C
Input Temperature
→
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Converted Temperature
Input
Output
Common Storage Temperatures
Temperature Scale
-20°C | -4°F
0°C | 32°F
4°C | 39°F
8°C | 46°F
15°C | 59°F
20°C | 68°F
25°C | 77°F
30°C | 86°F
37°C | 99°F
USP Storage Definitions
Freezer
-25°C to -10°C
Refrigerator
2°C to 8°C
Cool
8°C to 15°C
Room Temperature
15°C to 25°C
Controlled Room Temp
20°C to 25°C
Warm
30°C to 40°C
Excessive Heat
40°C to 50°C
Conversion Formulas
°C to °F
°F = (°C × 9/5) + 32
°F to °C
°C = (°F - 32) × 5/9
°C to K
K = °C + 273.15
Critical Temperature Reference
Cold Storage
• Vaccines: 2-8°C (35-46°F)
• Insulin: 2-8°C (unopened)
• Biologicals: 2-8°C
• Freezer: -20°C (-4°F)
• Ultra-low: -80°C (-112°F)
Room Temperature
• Controlled RT: 20-25°C
• Extended RT: 15-30°C
• Most oral solids: 15-30°C
• Opened insulin: ≤25°C
• Capsules: 15-25°C
Stability Limits
• Protein denaturation: >40°C
• Accelerated testing: 40°C
• Glass transition: varies
• Melting point: varies
• Degradation: >30°C