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Kilograms to Pounds worksheet

Grades 5–6 · CCSS 6.RP.A.3.d

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

1.
Problem 1.
- Value to convert: 70
- Direction: Pounds → Kilograms
Find: In kilograms
Answer
2.
Problem 2.
- Value to convert: 75
- Direction: Kilograms → Pounds
Find: In pounds
Answer
3.
Problem 3.
- Value to convert: 60
- Direction: Kilograms → Pounds
Find: In pounds
Answer
4.
Problem 4.
- Value to convert: 55
- Direction: Kilograms → Pounds
Find: In pounds
Answer
5.
Problem 5.
- Value to convert: 50
- Direction: Kilograms → Pounds
Find: In pounds
Answer
6.
Problem 6.
- Value to convert: 60
- Direction: Pounds → Kilograms
Find: In kilograms
Answer
7.
Problem 7.
- Value to convert: 65
- Direction: Pounds → Kilograms
Find: In kilograms
Answer
8.
Problem 8.
- Value to convert: 62
- Direction: Pounds → Kilograms
Find: In kilograms
Answer
9.
Problem 9.
- Value to convert: 85
- Direction: Kilograms → Pounds
Find: In pounds
Answer
10.
Problem 10.
- Value to convert: 100
- Direction: Pounds → Kilograms
Find: In kilograms
Answer

Answer key: Kilograms to Pounds worksheet

1. In kilograms: 31.75 kg
1. Start with the conversion factor: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. Multiply your pounds by 0.45359237 to get kilograms
  $70 lb \times 0.45359237$ $= 31.7514659 kg$
2. In pounds: 165.35 lb
1. The official definition goes the other way: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. So divide your kilograms by 0.45359237 to get pounds
  $\frac{75 kg}{0.45359237}$ $= 165.346696639 lb$
3. Or multiply by 2.20462262185 instead. It gives the same answer, because 1 ÷ 0.45359237 ≈ 2.20462262185
  $75 kg \times 2.20462262185$ $= 165.346696639 lb$
4. For pounds and ounces, keep the 165 whole pounds. Multiply the leftover part by 16, because a pound has 16 ounces
  $0.346697 \times 16$ $= 5.55 oz$ $= 165 lb 5.5 oz$
3. In pounds: 132.28 lb
1. The official definition goes the other way: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. So divide your kilograms by 0.45359237 to get pounds
  $\frac{60 kg}{0.45359237}$ $= 132.277357311 lb$
3. Or multiply by 2.20462262185 instead. It gives the same answer, because 1 ÷ 0.45359237 ≈ 2.20462262185
  $60 kg \times 2.20462262185$ $= 132.277357311 lb$
4. For pounds and ounces, keep the 132 whole pounds. Multiply the leftover part by 16, because a pound has 16 ounces
  $0.277357 \times 16$ $= 4.44 oz$ $= 132 lb 4.4 oz$
4. In pounds: 121.25 lb
1. The official definition goes the other way: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. So divide your kilograms by 0.45359237 to get pounds
  $\frac{55 kg}{0.45359237}$ $= 121.254244202 lb$
3. Or multiply by 2.20462262185 instead. It gives the same answer, because 1 ÷ 0.45359237 ≈ 2.20462262185
  $55 kg \times 2.20462262185$ $= 121.254244202 lb$
4. For pounds and ounces, keep the 121 whole pounds. Multiply the leftover part by 16, because a pound has 16 ounces
  $0.254244 \times 16$ $= 4.07 oz$ $= 121 lb 4.1 oz$
5. In pounds: 110.23 lb
1. The official definition goes the other way: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. So divide your kilograms by 0.45359237 to get pounds
  $\frac{50 kg}{0.45359237}$ $= 110.231131092 lb$
3. Or multiply by 2.20462262185 instead. It gives the same answer, because 1 ÷ 0.45359237 ≈ 2.20462262185
  $50 kg \times 2.20462262185$ $= 110.231131092 lb$
4. For pounds and ounces, keep the 110 whole pounds. Multiply the leftover part by 16, because a pound has 16 ounces
  $0.231131 \times 16$ $= 3.7 oz$ $= 110 lb 3.7 oz$
6. In kilograms: 27.22 kg
1. Start with the conversion factor: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. Multiply your pounds by 0.45359237 to get kilograms
  $60 lb \times 0.45359237$ $= 27.2155422 kg$
7. In kilograms: 29.48 kg
1. Start with the conversion factor: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. Multiply your pounds by 0.45359237 to get kilograms
  $65 lb \times 0.45359237$ $= 29.48350405 kg$
8. In kilograms: 28.12 kg
1. Start with the conversion factor: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. Multiply your pounds by 0.45359237 to get kilograms
  $62 lb \times 0.45359237$ $= 28.12272694 kg$
9. In pounds: 187.39 lb
1. The official definition goes the other way: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. So divide your kilograms by 0.45359237 to get pounds
  $\frac{85 kg}{0.45359237}$ $= 187.392922857 lb$
3. Or multiply by 2.20462262185 instead. It gives the same answer, because 1 ÷ 0.45359237 ≈ 2.20462262185
  $85 kg \times 2.20462262185$ $= 187.392922857 lb$
4. For pounds and ounces, keep the 187 whole pounds. Multiply the leftover part by 16, because a pound has 16 ounces
  $0.392923 \times 16$ $= 6.29 oz$ $= 187 lb 6.3 oz$
10. In kilograms: 45.36 kg
1. Start with the conversion factor: 1 lb is exactly 0.45359237 kg
  $1 lb$ $= 0.45359237 kg$
2. Multiply your pounds by 0.45359237 to get kilograms
  $100 lb \times 0.45359237$ $= 45.359237 kg$