Tamás Görbe posted:
A Mathematician's Way* of Converting Miles to Kilometers

• 1 mi ≈ 1.609 km

• The ratio of consecutive Fibonacci numbers Fₙ₊₁/Fₙ tends to the golden ratio φ ≈ 1.618 as n increases

So Fₙ mi ≈ Fₙ₊₁ km

*This is how I do it
😅

https://twitter.com/TamasGorbe/status/1158348261683605504