To convert from the imperial system to the metric system, you can use the following conversion formulas:

1. Length:

• 1 inch = 2.54 centimeters
• 1 mile = 1.609 kilometers

2. Mass:

• 1 pound = 0.4536 kilograms
• 1 ounce = 28.35 grams

3. Volume:

• 1 gallon = 3.785 liters
• 1 fluid ounce = 29.57 milliliters

It’s important to note that the imperial system is used primarily in the United States, while the metric system is used in most other countries around the world. When converting between the two systems, it’s important to use the correct conversion formula to ensure accurate results.

For more complex conversions, it may be helpful to use an online conversion calculator or consult a conversion table.