Here's how to convert -153 degrees Celsius (°C) to Fahrenheit (°F):

Formula:

°F = (°C × 9/5) + 32

Calculation:

1. Multiply the Celsius temperature by 9/5: -153 °C × 9/5 = -275.4

2. Add 32: -275.4 + 32 = -243.4

Therefore, -153°C is equal to -243.4°F.