Wayground
Customary and Metric Units Conversions - Printable Mathematics Worksheets year 6 - Wayground

Customary and Metric Units Conversions

20 questions

6th - 6th Grade

Mathematics

Customary and Metric Units Conversions is a Grade 6 mathematics worksheet that builds fluency in converting metric units, including millimeters, centimeters, meters, and kilometers. Students solve 12 multiple-choice conversion problems, such as converting centimeters to meters or kilometers to centimeters, and identify an appropriate unit for measuring a bus. The worksheet also reinforces customary-unit relationships, including feet, inches, yards, and miles. The remaining 8 fill-in-the-blank items ask students to recall and apply equivalences such as 1 foot = 12 inches, 1 yard = 3 feet, and 1 mile = 5,280 feet. This combination of selected-response and written-response practice helps students choose the correct conversion factor, track whether a quantity becomes larger or smaller, and apply standard unit relationships accurately. It is a free printable worksheet with an answer key for Grade 6 math practice, independent work, or a quick skills check.

Worksheet settings

Font size

S
M
L
XL
Worksheets

Customary and Metric Units Conversions

Total questions: 20

Name
Class
Date
1.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
2.
1000 m = ___________ km
a)
100
b)
10
c)
1
d)
0.1
3.
 330 cm = ___________ m
a)
3,300
b)
33
c)
3.3
d)
0.33
4.
32.9 km = ___________ cm
a)
32,900
b)
329,000
c)
3,290,000
d)
32,900,000
5.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
6.

Convert 210 mm to cm

a)

2.1 cm

b)

21 cm

c)

210 cm

d)

2100 cm

7.

6,035 mm = (a)   cm

8.

I would measure this bus in

a)

centimeters

b)

milimeters

c)

kilometers

d)

meters

9.

1 foot = (a)   inches

10.

1 yard = (a)   feet

11.

1 mile = (a)   feet

12.

1 mile = (a)   yards

13.

3 yards = (a)   feet

14.

4 feet = (a)   inches

15.

8 yards = (a)   feet

16.

Going from a larger unit of measure to a smaller unit you have to _____

a)

divide

b)

multiply

c)

add

d)

subtract

17.

What is a greater distance, 9 yards or 9 miles?

a)

9 miles

b)

9 yards

18.

What is a smaller measurement, 6 feet or 6 yards?

a)

6 feet

b)

6 yards

19.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
20.
When going from a smaller unit to a larger unit ...
a)
There must of been protein involved
b)
Multiply
c)
Divide
d)
Times 10
Answer Key

Customary and Metric Units Conversions

Total questions: 20

1.
c) 2.4
2.
c) 1
3.
c) 3.3
4.
c) 3,290,000
5.
d) 50 mm
6.
b)

21 cm

7.
603.5
8.
d)

meters

9.
12
10.
3
11.
5,280
12.
1,760
13.
9
14.
48
15.
24
16.
b)

multiply

17.
a)

9 miles

18.
a)

6 feet

19.
b) mm
20.
c) Divide

Browse by subjects

Browse by grades

Browse by format

FAQs

What does the Customary and Metric Units Conversions worksheet cover?

This Grade 6 math worksheet practices converting among millimeters, centimeters, meters, and kilometers, as well as applying customary relationships among inches, feet, yards, and miles. Its 20 items combine 12 multiple-choice conversion and measurement-unit questions with 8 fill-in-the-blank equivalence problems, requiring students to select or write the correct converted value.

How can I use this worksheet to teach metric and customary unit conversions?

Introduce the relevant conversion relationships before students begin, then model how the direction of a conversion affects the value—for example, converting 240 centimeters to 2.4 meters or 5 centimeters to 50 millimeters. Have students explain which conversion factor they used for the multiple-choice items, then use the fill-in-the-blank customary-unit questions to check whether they can recall and apply relationships such as 1 yard = 3 feet.

What mistakes should I watch for when students complete this unit-conversion worksheet?

Watch for students moving the decimal in the wrong direction when converting between millimeters, centimeters, meters, and kilometers, or choosing a larger number when the target unit is larger. Students may also confuse customary relationships, such as treating 1 yard as 12 feet or 1 mile as 1,760 feet instead of 5,280 feet. The bus measurement item can reveal whether they can distinguish a suitable unit from a conversion calculation.

How do I assign and grade this worksheet?

Wayground provides Customary and Metric Units Conversions as both a printable PDF and a digital quiz, so you can assign the format that fits your Grade 6 math lesson. The worksheet includes a complete answer key for checking the 12 multiple-choice and 8 fill-in-the-blank responses. For printable submissions, scan student work with the Wayground for Teachers app to support grading.

How can I differentiate this unit-conversion worksheet for my students?

Under the worksheet’s Advanced Settings, adjust font spacing or choose a larger font size to make the conversion equations and fill-in-the-blank items easier to read. You can also enable a dyslexia-friendly font or translate the worksheet into another language when those options support students working with the metric and customary unit vocabulary.

Where can I find more worksheets like this on Wayground?

Wayground offers a comprehensive collection of free printable worksheets and practice problems across subjects, with downloadable PDFs and answer keys to help students master essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.

© 2026 Wayground Inc.

Accessibility and Inclusion