
Convert and compare customary units
Free printable Grade 4 math worksheet for "Convert and compare customary units" — practice customary units of measurement. No-prep, print or assign online.
This worksheet challenges Grade 4 students to convert and compare customary units of measurement through a variety of problems. Teachers can use it to reinforce students' understanding of length conversions and develop their problem-solving skills with real-world measurement scenarios. Ideal for assessment or practice, it supports mastery of measurement concepts aligned with Grade 4 math standards.
Learning objectives
- Convert measurements between different customary units such as inches, feet, yards, and miles.
- Compare lengths by accurately converting customary units to determine which is longer or shorter.
- Solve word problems involving addition and subtraction of customary units.
Answer Key

How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for Grade 4; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Convert and compare customary units” worksheet free?
Yes. “Convert and compare customary units” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Grade 4 (ages 9–10), covering Customary units of measurement.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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