25C

25C, or 25°C, denotes a temperature of 25 degrees on the Celsius scale, a unit commonly used in the metric system for measuring thermodynamic temperature. The Celsius scale defines 0°C as the freezing point and 100°C as the boiling point of water at standard atmospheric pressure, with 25°C lying in the warm, mild range between these two points.

Conversions: 25°C equals 298.15 kelvin (K) and 77 degrees Fahrenheit (°F). Celsius is linked to Kelvin by K = °C + 273.15, and to Fahrenheit by °F = °C × 9/5 + 32.

Common contexts: In weather reporting and everyday use, many countries express temperature in °C; 25°C is typically described as warm or comfortable for outdoor conditions depending on humidity and activity. Indoor climate guidelines often consider a comfortable range around 20–24°C, so 25°C is near the upper end of typical comfort and may require cooling in hot climates.

Scientific and practical use: 25°C serves as a convenient reference temperature in experiments, calibration, and industry where precise thermodynamic conditions are not extreme. In biology and chemistry, some procedures are performed near 25°C to simulate room conditions, while others require cooler or warmer temperatures. Food storage and safety use lower temperatures (such as refrigeration) to slow microbial growth, whereas 25°C is generally unsuitable for long-term preservation of perishables.

Terminology: The degree symbol is standard in formal usage (25°C). In some casual contexts, the symbol may be omitted, written as 25C. In all cases, it denotes a specific point on the Celsius temperature scale.