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Fahrenheit to Kelvin worksheet

Grades 6–7 · CCSS 6.EE.A.2.c

Solve each problem and show your work. Round answers to 2 decimal places where needed.

1.
Problem 1.
- Temperature: 70
- Direction: Kelvin → Fahrenheit
Find: In Fahrenheit
Answer
2.
Problem 2.
- Temperature: 75
- Direction: Fahrenheit → Kelvin
Find: In Kelvin
Answer
3.
Problem 3.
- Temperature: 60
- Direction: Fahrenheit → Kelvin
Find: In Kelvin
Answer
4.
Problem 4.
- Temperature: 55
- Direction: Fahrenheit → Kelvin
Find: In Kelvin
Answer
5.
Problem 5.
- Temperature: 50
- Direction: Fahrenheit → Kelvin
Find: In Kelvin
Answer
6.
Problem 6.
- Temperature: 60
- Direction: Kelvin → Fahrenheit
Find: In Fahrenheit
Answer
7.
Problem 7.
- Temperature: 65
- Direction: Kelvin → Fahrenheit
Find: In Fahrenheit
Answer
8.
Problem 8.
- Temperature: 62
- Direction: Kelvin → Fahrenheit
Find: In Fahrenheit
Answer
9.
Problem 9.
- Temperature: 85
- Direction: Fahrenheit → Kelvin
Find: In Kelvin
Answer
10.
Problem 10.
- Temperature: 100
- Direction: Kelvin → Fahrenheit
Find: In Fahrenheit
Answer

Answer key: Fahrenheit to Kelvin worksheet

1. In Fahrenheit: -333.67 °F
1. Convert to Celsius: subtract 273.15 from the kelvin value
  $70 K - 273.15$ $= −203.15 °C$
2. Convert to Fahrenheit: multiply by 9/5, then add 32
  $−203.15 °C \times \frac{9}{5} + 32$ $= −333.67 °F$
2. In Kelvin: 297.04 K
1. Convert to Celsius: subtract 32, then multiply by 5/9
  $(75 °F - 32) \times \frac{5}{9}$ $= 23.8888888889 °C$
2. Convert to Kelvin: add 273.15 to the Celsius value
  $23.8888888889 °C + 273.15$ $= 297.0388888889 K$
3. In Kelvin: 288.71 K
1. Convert to Celsius: subtract 32, then multiply by 5/9
  $(60 °F - 32) \times \frac{5}{9}$ $= 15.5555555556 °C$
2. Convert to Kelvin: add 273.15 to the Celsius value
  $15.5555555556 °C + 273.15$ $= 288.7055555556 K$
4. In Kelvin: 285.93 K
1. Convert to Celsius: subtract 32, then multiply by 5/9
  $(55 °F - 32) \times \frac{5}{9}$ $= 12.7777777778 °C$
2. Convert to Kelvin: add 273.15 to the Celsius value
  $12.7777777778 °C + 273.15$ $= 285.9277777778 K$
5. In Kelvin: 283.15 K
1. Convert to Celsius: subtract 32, then multiply by 5/9
  $(50 °F - 32) \times \frac{5}{9}$ $= 10 °C$
2. Convert to Kelvin: add 273.15 to the Celsius value
  $10 °C + 273.15$ $= 283.15 K$
6. In Fahrenheit: -351.67 °F
1. Convert to Celsius: subtract 273.15 from the kelvin value
  $60 K - 273.15$ $= −213.15 °C$
2. Convert to Fahrenheit: multiply by 9/5, then add 32
  $−213.15 °C \times \frac{9}{5} + 32$ $= −351.67 °F$
7. In Fahrenheit: -342.67 °F
1. Convert to Celsius: subtract 273.15 from the kelvin value
  $65 K - 273.15$ $= −208.15 °C$
2. Convert to Fahrenheit: multiply by 9/5, then add 32
  $−208.15 °C \times \frac{9}{5} + 32$ $= −342.67 °F$
8. In Fahrenheit: -348.07 °F
1. Convert to Celsius: subtract 273.15 from the kelvin value
  $62 K - 273.15$ $= −211.15 °C$
2. Convert to Fahrenheit: multiply by 9/5, then add 32
  $−211.15 °C \times \frac{9}{5} + 32$ $= −348.07 °F$
9. In Kelvin: 302.59 K
1. Convert to Celsius: subtract 32, then multiply by 5/9
  $(85 °F - 32) \times \frac{5}{9}$ $= 29.4444444444 °C$
2. Convert to Kelvin: add 273.15 to the Celsius value
  $29.4444444444 °C + 273.15$ $= 302.5944444444 K$
10. In Fahrenheit: -279.67 °F
1. Convert to Celsius: subtract 273.15 from the kelvin value
  $100 K - 273.15$ $= −173.15 °C$
2. Convert to Fahrenheit: multiply by 9/5, then add 32
  $−173.15 °C \times \frac{9}{5} + 32$ $= −279.67 °F$