Here's how to convert -23 degrees Celsius to Fahrenheit:

Formula:

°F = (°C × 9/5) + 32

Calculation:

1. Multiply Celsius by 9/5: -23 °C × 9/5 = -41.4

2. Add 32: -41.4 + 32 = -9.4

Answer: -23 degrees Celsius is equal to -9.4 degrees Fahrenheit.