# R5 | z-ai/glm-5.2 | run 2

## Prompt

How many kilometers are in 100 miles? Show the conversion factor and cite a source for it.

## Response

100 miles is equal to exactly 160.9344 kilometers. This conversion relies on the international agreement that defines one mile as precisely 1,609.344 meters.

## Conversion Factor

The exact conversion factor between miles and kilometers is:

\[ 1 \text{ mile} = 1.609344 \text{ kilometers} \]

This factor is derived from the definition of the international mile, which is exactly 1,609.344 meters, and the kilometer, which is exactly 1,000 meters [unit-convert.com](https://unit-convert.com/length/miles-to-km.htm).

## Calculation

To convert 100 miles to kilometers, multiply the number of miles by the conversion factor:

\[ 100 \text{ miles} \times 1.609344 \frac{\text{km}}{\text{mile}} = 160.9344 \text{ kilometers} \]

Alternatively, you can divide the number of miles by 0.6213711922, since one kilometer is equal to approximately 0.6213711922 miles [quickunitconverter.com](https://quickunitconverter.com/length/100-miles-to-km/).

Would you like to see a conversion table for other common distances?
