 # Fibonacci Retracement and Extension Levels Calculator

<-- Price 1
<-- Price 2

### How does the Fibonacci Retracement and Extension Levels Calculator work?

Shows the fibonacci retracement and extension levels
This calculator has 2 inputs.

### What 4 formulas are used for the Fibonacci Retracement and Extension Levels Calculator?

1. Impulse Length = Price 1 - Price 2
2. Retracements Percentages are 23.6%,38.2%,50%,61.8%,100%
3. Retracements Level = High Price - Impulse Length x Retracements Percentage
4. Extensions Percentages are 0%,38.2%,61.8%,100%,138.2%,161.8%

For more math formulas, check out our Formula Dossier

### What 3 concepts are covered in the Fibonacci Retracement and Extension Levels Calculator?

currency
a system of money in general use in a particular country.
fibonacci
a number, commonly denoted Fn, which form the Fibonacci sequence, in which each number is the sum of the two preceding ones
fibonacci retracement
a method of technical analysis for determining support and resistance levels