How do you do metric conversions? i really need help

Check these sites. If they don't have the information you need, please post a more specific question.

http://www.sciencemadesimple.com/metric_conversion_chart.html

http://www.metric-conversions.org/

I'd be happy to help you with metric conversions! Metric conversions involve converting a measurement from one metric unit to another. Here are the steps to follow for metric conversions:

1. Identify the starting and desired units: Determine the units you are converting from and the units you want to convert to. For example, if you have a length in meters and want to convert it to centimeters, your starting unit is meters and your desired unit is centimeters.

2. Find the conversion factor: Look up the conversion factor between the two units. The conversion factor relates the two units and helps you calculate the conversion accurately. It is usually a numerical value or a simple equation. For example, to convert meters to centimeters, the conversion factor is 100 (1 meter = 100 centimeters).

3. Set up the conversion equation: Write down the measurement you are converting and multiply it by the appropriate conversion factor. Make sure the units cancel out correctly. For example, if you have 2 meters and want to convert it to centimeters, you would set up the equation as follows: 2 meters * 100 centimeters/meter.

4. Perform the calculation: Multiply the measurement by the conversion factor. In the example above, you would get: 2 meters * 100 centimeters/meter = 200 centimeters.

5. Check your units: Verify that the units you obtained after the calculation match your desired units. In our example, you should have converted meters to centimeters successfully.

By following these steps, you can convert between different metric units accurately. Don't forget to double-check your work and consult a reliable conversion chart or resource if you are unsure of the conversion factors.