To convert from Fahrenheit (°F) to Celsius (°C), you can use the following formula:
\[ °C = \frac{(°F - 32) \times 5}{9} \]
Now, let's plug in 149°F into the formula:
\[ °C = \frac{(149 - 32) \times 5}{9} \] \[ °C = \frac{117 \times 5}{9} \] \[ °C = \frac{585}{9} \] \[ °C = 65 \]
Therefore, 149°F is equivalent to 65°C.