Fibonacci Number Calculator
Calculate the nth Fibonacci number and the sequence.
Result
55
10th Fibonacci number: 55
Result in all units
Step-by-step solution
What Is the Fibonacci Sequence?
The Fibonacci sequence is a series of numbers in which each term is the sum of the two preceding ones: 0, 1, 1, 2, 3, 5, 8, 13… It appears frequently in nature and art.
How is it calculated?
How Is It Calculated?
Fₙ = Fₙ₋₁ + Fₙ₋₂ (F₀=0, F₁=1)
- Enter which term you want.
- The sequence is generated forward starting from zero and one.
Frequently Asked Questions
What is its relationship with the golden ratio?
The ratio of consecutive Fibonacci numbers approaches the golden ratio (≈1,618) as they grow larger.