🌡️ Temperature Converter
Convert temperatures between different scales including Celsius, Fahrenheit, Kelvin, and more
Temperature Input
About Celsius
Based on water freezing (0°C) and boiling (100°C) at sea level
Absolute Zero: -273.15°C
Freezing Point: 0°C
Boiling Point: 100°C
Quick Values:
Conversion Results
Temperature Context
🔄 Conversion Formulas
From Celsius
Fahrenheit:
°F = (°C × 9/5) + 32
Kelvin:
K = °C + 273.15
Rankine:
°R = (°C + 273.15) × 9/5
From Fahrenheit
Celsius:
°C = (°F - 32) × 5/9
Kelvin:
K = (°F - 32) × 5/9 + 273.15
Rankine:
°R = °F + 459.67
From Kelvin
Celsius:
°C = K - 273.15
Fahrenheit:
°F = (K - 273.15) × 9/5 + 32
Rankine:
°R = K × 9/5
📊 Temperature Reference Points
| Description | Celsius (°C) | Fahrenheit (°F) | Kelvin (K) |
|---|---|---|---|
| Absolute Zero | -273.15 | -459.67 | 0.00 |
| Liquid Nitrogen | -196.00 | -320.80 | 77.15 |
| Dry Ice | -78.50 | -109.30 | 194.65 |
| Same in °C and °F | -40.00 | -40.00 | 233.15 |
| Water Freezes | 0.00 | 32.00 | 273.15 |
| Refrigerator | 4.00 | 39.20 | 277.15 |
| Room Temperature | 20.00 | 68.00 | 293.15 |
| Human Body | 37.00 | 98.60 | 310.15 |
| Water Boils | 100.00 | 212.00 | 373.15 |
| Slow Cooking | 150.00 | 302.00 | 423.15 |
| Baking | 180.00 | 356.00 | 453.15 |
| Tin Melts | 232.00 | 449.60 | 505.15 |
| Lead Melts | 327.00 | 620.60 | 600.15 |
| Aluminum Melts | 660.00 | 1220.00 | 933.15 |
| Copper Melts | 1083.00 | 1981.40 | 1356.15 |
| Iron Melts | 1538.00 | 2800.40 | 1811.15 |
📚 Temperature Scales Guide
Celsius
°C
Based on water freezing (0°C) and boiling (100°C) at sea level
Absolute Zero: -273.15°C
Water Freezes: 0°C
Water Boils: 100°C
Fahrenheit
°F
Commonly used in the United States
Absolute Zero: -459.67°F
Water Freezes: 32°F
Water Boils: 212°F
Kelvin
K
Absolute temperature scale used in science
Absolute Zero: 0K
Water Freezes: 273.15K
Water Boils: 373.15K
Rankine
°R
Absolute temperature scale based on Fahrenheit
Absolute Zero: 0°R
Water Freezes: 491.67°R
Water Boils: 671.67°R
Réaumur
°Ré
Historical scale where water freezes at 0° and boils at 80°
Absolute Zero: -218.52°Ré
Water Freezes: 0°Ré
Water Boils: 80°Ré
Delisle
°De
Inverted scale where water boils at 0° and freezes at 150°
Absolute Zero: 559.725°De
Water Freezes: 150°De
Water Boils: 0°De
Newton
°N
Scale devised by Isaac Newton
Absolute Zero: -90.14°N
Water Freezes: 0°N
Water Boils: 33°N
Rømer
°Rø
Scale where brine freezes at 0° and water boils at 60°
Absolute Zero: -135.9°Rø
Water Freezes: 7.5°Rø
Water Boils: 60°Rø
💡 Temperature Tips & Facts
Quick Conversions
- • °F to °C: Subtract 32, multiply by 5/9
- • °C to °F: Multiply by 9/5, add 32
- • °C to K: Add 273.15
- • -40°C = -40°F (same temperature)
- • 0°C = 32°F = 273.15K
- • Room temp: ~20°C = 68°F
Interesting Facts
- • Absolute zero: -273.15°C (-459.67°F)
- • Sun's core: ~15 million°C
- • Coldest place: Antarctica -89°C
- • Hottest place: Death Valley 54°C
- • Human fever: Above 38°C (100.4°F)
- • Diamond melts at 3550°C
Practical Applications
- • Cooking temperatures
- • Weather forecasting
- • Scientific measurements
- • Industrial processes
- • Medical applications
- • HVAC systems