Fibonacci Calculator

Find Fibonacci Number

F(10) =
55
Golden ratio approx: F(10)/F(9) = 1.6176470588

Golden Ratio Convergence

nF(n)/F(n-1)Error from \u03C6
21.0000000000000006.1803e-1
32.0000000000000003.8197e-1
41.5000000000000001.1803e-1
51.6666666666666674.8633e-2
61.6000000000000001.8034e-2
71.6250000000000006.9660e-3
81.6153846153846152.6494e-3
91.6190476190476191.0136e-3
101.6176470588235293.8693e-4