| A | B |
| 510 cm | 5.1 m |
| 2.3 L | 2,300 mL |
| 1.995 m | 199.5 cm |
| 0.002 mL | 0.000002 L |
| 0.1 cm | 1 mm |
| 3.7 mm | 0.37 cm |
| Milli means | thousandths |
| Centi means | hundredths |
| Kilo means | thousands |
| Benchmark for a millimeter | thickness of a dime |
| Benchmark for a centimeter | width of your little finger |
| Benchmark for a meter | width of a doorway |
| Benchmark for a kilometer | length of 10 football fields |
| Benchmark for a milligram | mass of a grain of sand |
| Benchmark for a gram | mass of a small paperclip |
| Benchmark for a kilogram | mass of a textbook |
| Benchmark for a milliliter | amount of liquid in an eyedropper |
| Benchmark for a liter | amount of water in a large water bottle |
| Benchmark for a kiloliter | capacity of 2 large refrigerators |
| The most appropriate metric measurement for the length of a car | meters |
| THE most appropriate metric measurement for the mass of a skateboard | kilograms |
| The most appropriate metric measuarement for the recommended dose of a cough syrup | milliliters |