Unit conversion quiz questions and answers

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Quizzes Created: 2 | Total Attempts: 18,156

Questions: 10 | Attempts: 18,218 | Updated: Mar 11, 2024

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Unit Conversion Quiz Questions And Answers - Quiz

Are you ready for a unit conversion quiz? The conversion of units is the conversion between different units of measurement for the same quantity. Typically, through multiplicative conversion factors. It is used to modify the units of a precise quantity without changing their value. The method of conversion is contingent upon the specific situation and the intended purpose. If you want to learn more about unit conversion, this is the quiz for you.

Unit Conversion Questions and Answers

1.

How many inches are in 45.6 cm? (There are 2.54cm in 1 inch)
- A.
  
  18.0 inches
- B.
  
  9 inches
- C.
  
  17.952 inches
- D.
  
  115.8 inches
Correct Answer
C. 17.952 inches

Explanation
To convert centimeters to inches, you can use the conversion factor: 1 inch = 2.54 centimeters.

So, to find out how many inches are in 45.6 cm:

45.6 cm / 2.54 cm/inch ≈ 17.952 inches

So, the answer is approximately 17.952 inches.

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18
0
2.

How many centimeters are in 1.23 x 10^-6 kilometers?
- A.
  
  0.123 cm
- B.
  
  0.1234 cm
- C.
  
  0.12 cm
- D.
  
  0.13 cm
Correct Answer
A. 0.123 cm
3.

Approximately how many hours are there in 34.5 years?
- A.
  
  302,000 hrs
- B.
  
  302,220 hrs
- C.
  
  0.00394 hrs
- D.
  
  0.00393835 hrs
Correct Answer
B. 302,220 hrs

Explanation
To calculate the number of hours in 34.5 years, you can use the following calculation:

Number of hours in a year × Number of years

There are typically 365 days in a year, and each day has 24 hours. So, in a non-leap year:

365 days/year × 24 hours/day = 8,760 hours/year

Now, you can multiply this by the number of years:

8,760 hours/year × 34.5 years = 302,220 hours

So, there are approximately 302,220 hours in 34.5 years.

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16
4
4.

How many inches are there in 355 millimeters? (25.4 mm in an inch)
- A.
  
  14.0 inches (13.97 inches)
- B.
  
  13.90 inches
- C.
  
  140.0 inches
- D.
  
  139.0 inches
Correct Answer
A. 14.0 inches (13.97 inches)

Explanation
355mm x 1cm/10mm x 1in/2.54cm = 13.976 BUT 3 sigfigs or 355mm x 1in/25.4mm = 13.976

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6
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5.

10 meters = ______ inches.
- A.
  
  278
- B.
  
  393
- C.
  
  403
- D.
  
  782
Correct Answer
B. 393

Explanation
10 meters is equal to 1000 centimeters. Since there are 2.54 centimeters in an inch, we can convert 1000 centimeters to inches by dividing by 2.54. The result is approximately 393 inches.

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12
1
6.

2.1 meter is equal to
- A.
  
  4 feet
- B.
  
  5 feet
- C.
  
  7 feet
- D.
  
  10 feet
Correct Answer
C. 7 feet

Explanation
2.1 meters is equal to 6.89 feet. Since none of the options given match this value exactly, the correct answer is not available.

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11
0
7.

Convert 14 mm to its equivalent measurement in m.
- A.
  
  0.014m
- B.
  
  0.0014m
- C.
  
  0.14m
- D.
  
  1400
Correct Answer
A. 0.014m

Explanation
14mm x 1m/1000mm

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8.

Which of the following is a TRUE metric conversion factor?
- A.
  
  1mm = 1000m
- B.
  
  1000mm = 1m
- C.
  
  100m = 1cm
- D.
  
  1m = 1000 km
Correct Answer
B. 1000mm = 1m

Explanation
The given statement "1000mm = 1m" is a true metric conversion factor because it represents the relationship between millimeters and meters. It states that there are 1000 millimeters in 1 meter, which is a standard conversion factor in the metric system.

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1
9.

Which of the following is a FALSE metric conversion factor?
- A.
  
  100cm = 1m
- B.
  
  1000g = 1 kg
- C.
  
  1g = 1000mg
- D.
  
  1000g = 1g
Correct Answer
D. 1000g = 1g

Explanation
Think:
Balanced Scale

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10
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10.

Convert 57mL to its equivalent measurement in L.
- A.
  
  0.057 L
- B.
  
  57000 L
- C.
  
  0.0057 L
- D.
  
  5700 L
Correct Answer
A. 0.057 L

Explanation
57 mL x 1L/ 1000mL = L

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Janaisa Harris |BA-Mathematics |

Mathematics Expert

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Current Version
Mar 11, 2024

Quiz Edited by
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Expert Reviewed by
Janaisa Harris
Oct 03, 2011

Quiz Created by
MsCyr

Unit Conversion Quiz Questions And Answers

Unit Conversion Questions and Answers

How many inches are in 45.6 cm? (There are 2.54cm in 1 inch)

How many centimeters are in 1.23 x 10^-6 kilometers?

Approximately how many hours are there in 34.5 years?

How many inches are there in 355 millimeters? (25.4 mm in an inch)

10 meters = ______ inches.

2.1 meter is equal to

Convert 14 mm to its equivalent measurement in m.

Which of the following is a TRUE metric conversion factor?

Which of the following is a FALSE metric conversion factor?

Convert 57mL to its equivalent measurement in L.