| A | B |
| metric system | accepted world standard for measurement |
| second (s) | fundamental unit for time |
| meter (m) | fundamental unit for length |
| kilogram (kg) | fundamental unit for mass |
| 3600 seconds= 60 minutes | an example of converting one unit to another |
| 1000 millimeters= | 1 meter |
| 100 centimeter= | 1 meter |
| 1000 meter= | 1 kilometer |
| 1000 milligrams= | 1 gram |
| 1000 grams= | 1 kilogram |
| 1000 kilograms= | 1 metric ton |
| 1000 milliliters= | 1 liter |
| 1000 liters= | 1 cubic meter |
| 10 000 square meters= | 1 hectare |
| 100 hectares= | 1 square kilometer |
| micro means | 1/1 000 000 |
| milli means | 1/1000 |
| centi means | 1/100 |
| kilo means | 1000 |
| mega means | 1 000 000 |
| g | gram |
| mg | milligram |
| L | liter |
| mL | milliliter |
| t | metric ton |
| 1 milliliter= | 1 cubic centimeter |
| 1 inch converts to | 25.4 millimeters |
| 1 pound converts to | 453.592 37 grams |
| 1 gallon converts to | 3.785 411 784 liters |
| Multiply inches by 2.54 to convert to | centimeters |
| Multiply feet by 0.306 to convert to | meters |
| multiply miles by 1.6 to convert to | kilometers |
| divide pounds by 2.2 to convert to | kilograms |
| multiply ounces by 28 to convert to | grams |
| multiply fluid ounces by 30 to convert to | milliliters |
| multiply gallons by 3.8 to convert to | liters |
| SI | International System of Units |
| scientific notation | expression of extremely large or small numbers in notation |
| Measured values | a significant digit |
| Computed values | a significant digit |