Worksheet: Converting and Comparing Mass: Metric Units

In this worksheet, we will practice how to convert, compare, and order mass units in the metric system, like milligrams, grams, and kilograms and apply this skill to solve real-world problems using fractions and decimals.

Q1:

To convert from kilograms to milligrams, first multiply by to convert to grams, then multiply by to convert to milligrams.

  • A100, 100
  • B10, 1000
  • C 1 0 0 0 , 100
  • D 1 0 0 0 , 1 0 0 0
  • E100, 1000

Q2:

Write in grams: 62 kg.

Q3:

Use <, =, or > to complete the following: 139,000kgg.

  • A <
  • B >
  • C =

Q4:

42,792 grams kilograms.

  • A 427,920
  • B42
  • C428
  • D43
  • E 4,279

Q5:

How many kilograms are there in 25,400 mg?

Q6:

To convert from milligrams to kilograms, first divide by to convert to grams and then divide by to convert to kilograms.

  • A100, 1000
  • B10, 100
  • C 1 0 0 0 , 100
  • D 1 0 0 0 , 1 0 0 0
  • E100, 100

Q7:

How many grams are in 12 kilograms?

Q8:

Write in kilograms: 43,000 g.

Q9:

9,188 grams = kilograms.

Q10:

Use <, =, or > to fill in the blank: 6969,100.kilogramsgrams

  • A >
  • B =
  • C <

Q11:

Liam weighs 76 kilograms. Express his weight in grams.

Q12:

James and Mason are calculating how many kilograms there are in 60,000 grams. James thinks the result is 60 kilograms, and Mason thinks it is 600 kilograms. Who is correct?

  • AJames
  • BMason

Q13:

Write in grams: 3.45 kg.

Q14:

Write the answer in kilograms: 234+500.kilogramsgrams

Q15:

Write the answer to the calculation in grams: 334640.kgg

Q16:

Write in ascending order: 8,650,7,550,10.gramskilogramsgramskilograms

  • A 5 5 0 , 1 0 , 8 , 6 5 0 , 7 g r a m s k i l o g r a m s g r a m s k i l o g r a m s
  • B 8 , 6 5 0 , 5 5 0 , 7 , 1 0 g r a m s g r a m s k i l o g r a m s k i l o g r a m s
  • C 1 0 , 8 , 6 5 0 , 7 , 5 5 0 k i l o g r a m s g r a m s k i l o g r a m s g r a m s
  • D 5 5 0 , 7 , 8 , 6 5 0 , 1 0 g r a m s k i l o g r a m s g r a m s k i l o g r a m s

Q17:

Fill in the blanks: 10.37=gmg.

Q18:

How many grams are there in 4,959 mg?

Q19:

Fill in the blanks: 746.8=mgg.

Q20:

Complete the following: 75.9=kgg.

Q21:

Order these measurements from greatest to least: 0.64,839.3,100,000.kggmg

  • A 0.64 kg, 839.3 g, 100,000 mg
  • B 839.3 g, 0.64 kg, 100,000 mg
  • C 100,000 mg, 839.3 g, 0.64 kg
  • D 0.64 kg, 100,000 mg, 839.3 g

Q22:

Fill the blank: to convert from to centigrams, multiply by 100.

  • A milligrams
  • B kilograms
  • C micrograms
  • D meters
  • E grams

Q23:

Daniel bought 6 and three quarter kilograms of grapes and 4 kilograms of mangoes. How many grams of food did he buy?

Q24:

Noah bought 2 and one quarter kilograms of carrots and 4 and one quarter kilograms of apples. How many grams of food did he buy?

Q25:

Charlotte bakes loaves of bread that have a mass of about 2,909 milligrams. Express the mass in grams.

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