How do I convert Celsius to Fahrenheit?

To convert Celsius to Fahrenheit: Multiply by 9/5 (or 1.8) and add 32. Formula: °F = (°C × 9/5) + 32. For example, 20°C = (20 × 1.8) + 32 = 68°F.

How do I convert Fahrenheit to Celsius?

To convert Fahrenheit to Celsius: Subtract 32 and multiply by 5/9. Formula: °C = (°F - 32) × 5/9. For example, 68°F = (68 - 32) × 5/9 = 20°C.

What is the freezing point of water in different temperature scales?

The freezing point of water is 0°C (Celsius), 32°F (Fahrenheit), and 273.15 K (Kelvin). The boiling point is 100°C, 212°F, and 373.15 K respectively.

How do I convert between Kelvin and Celsius?

To convert Celsius to Kelvin: Add 273.15. Formula: K = °C + 273.15. To convert Kelvin to Celsius: Subtract 273.15. Formula: °C = K - 273.15.

What are the three main temperature scales?

The three main temperature scales are Celsius (°C), Fahrenheit (°F), and Kelvin (K). Celsius and Fahrenheit are relative scales, while Kelvin is an absolute scale starting from absolute zero.

How do I convert Celsius to Fahrenheit?

To convert Celsius to Fahrenheit, use the formula: °F = (°C × 9/5) + 32. For example, 20°C = (20 × 9/5) + 32 = 68°F.

How do I convert Fahrenheit to Celsius?

To convert Fahrenheit to Celsius, use the formula: °C = (°F - 32) × 5/9. For example, 68°F = (68 - 32) × 5/9 = 20°C.

What is absolute zero?

Absolute zero is the lowest possible temperature, which is 0 Kelvin or -273.15°C or -459.67°F. At this temperature, all molecular motion ceases.

Why does the Kelvin scale start at 273.15?

The Kelvin scale starts at 273.15 above absolute zero because water freezes at 0°C, which is 273.15K. This makes Kelvin a convenient absolute scale for scientific calculations.

Which temperature scale is used in scientific research?

Kelvin is the primary temperature scale used in scientific research because it's an absolute scale and has no negative values, making calculations more straightforward.

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Temperature Conversion Tips

Celsius is commonly used in most countries worldwide, especially in scientific contexts

Fahrenheit is primarily used in the United States for weather and body temperature

Kelvin is the base unit of temperature in the International System of Units (SI)

Water freezes at 0°C (32°F, 273.15K) and boils at 100°C (212°F, 373.15K) at standard atmospheric pressure

The Kelvin scale has no negative values - absolute zero is 0K (-273.15°C, -459.67°F)

For weather forecasts, Celsius is used in most countries except the United States

Body temperature is typically 37°C (98.6°F) for a healthy adult human

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