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Free Conversion Reference Worksheets — Grade 3
A ready-to-print conversion reference worksheet for grade 3, with a fresh set of questions every time you reload it. Print it as it is, or change the numbers, the number of questions and the difficulty first — it takes about a minute.
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Conversion Reference — Grade 3
1Conversion Reference math.measurement.conversions
Keep these conversions handy.
Length
- 1 km = 1000 m
- 1 m = 100 cm
- 1 cm = 10 mm
- 1 m = 1000 mm
- 1 inch = 2.54 cm
- 1 foot = 12 inches
- 1 mile ≈ 1.609 km
Weight / Mass
- 1 kg = 1000 g
- 1 g = 1000 mg
- 1 tonne = 1000 kg
- 1 pound ≈ 0.454 kg
- 1 kg ≈ 2.205 lb
Time
- 1 minute = 60 seconds
- 1 hour = 60 minutes
- 1 hour = 3600 seconds
- 1 day = 24 hours
- 1 week = 7 days
- 1 year = 365 days
Temperature
- °F = (°C × 9/5) + 32
- °C = (°F − 32) × 5/9
- K = °C + 273.15
What you can change
| Setting | Options |
|---|---|
| Length | on or off |
| Weight / mass | on or off |
| Capacity / volume | on or off |
| Time | on or off |
| Temperature | on or off |
| Questions | as few or as many as fit |
Plus text size, line spacing, questions per page and boxed digit columns if writing is hard.
Why the answers are always rightEvery question on this page is worked out by the generator, and the answer key is produced from the same calculation. It cannot contain a typo, and it cannot disagree with the questions.