You can convert between unit sizes with the same base unit using the conversion factors shown in Figure 9.4.

To determine the area of rectangular-shaped objects:

$\text{Area}=\text{length}\left(l\right)\times \text{width}\left(w\right)$

Figure 9.16 Rectangle with Length $\left(l\right)$ and Width $\left(w\right)$ Labeled

You can convert between metric area units using the conversion factors shown in Figure 9.7.

To determine the volume of a rectangular prism:

Figure 9.17 Rectangular Prism with Height $\left(h\right)$, Length $\left(l\right)$, and Width $\left(w\right)$ Labeled

You can convert between metric volume units and metric capacity units using the relationships shown in Table 9.2.

You can convert between metric weight units using the conversion factors shown in Figure 9.13.

To convert temperature from Fahrenheit to Celsius:

To convert temperature from Celsius to Fahrenheit:

To estimate temperature from Fahrenheit to Celsius:

To estimate temperature from Celsius to Fahrenheit: