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Fibonacci Retracement Calculator — Key Trading Levels

The Fibonacci retracement calculator generates the key price levels that traders use to identify potential reversal zones and continuation targets. Enter any swing high and low, choose your trend direction, and instantly get retracement levels at 23.6%, 38.2%, 50%, 61.8%, and 78.6% — plus extension levels at 127.2%, 161.8%, and 261.8%. Fibonacci levels work because they are widely watched by institutional and retail traders alike, creating self-fulfilling price reactions at these mathematically significant levels across all financial markets.

Updated August 7, 2026

Fibonacci CalculatorResults update instantly

Retracement Levels

0.0%1.1200
23.6%1.1106
38.2%1.1047
50.0%1.1000
61.8%1.0953
78.6%1.0886
100.0%1.0800

Highlighted = key levels

Extension Levels (Targets)

127.2%1.1309
161.8%1.1447
261.8%1.1847

Use for take-profit targets

Swing Range0.0400

Formula Used

Retracement Level = High − (High − Low) × Fibonacci Ratio

How to Use the Fibonacci Calculator — Step by Step

  1. 1

    Identify your swing high and low

    Find a significant price swing on your chart — a clear impulse move up or down. The swing high is the top of the move and the swing low is the bottom.

  2. 2

    Enter the swing high price

    Input the price of the recent swing high (the highest point of the move you are analysing).

  3. 3

    Enter the swing low price

    Input the price of the recent swing low (the lowest point of the move).

  4. 4

    Select trend direction

    Choose Uptrend if price rallied from low to high (you expect a pullback then continuation up). Choose Downtrend if price fell from high to low (you expect a bounce then continuation down).

  5. 5

    Read the Fibonacci levels

    The calculator shows retracement levels (23.6% to 78.6%) where price may pull back and extension levels (127.2% to 261.8%) for take-profit targets beyond the swing.

About the Fibonacci Calculator

The Fibonacci retracement calculator generates the key price levels that traders use to identify potential reversal zones and continuation targets. Enter any swing high and low, choose your trend direction, and instantly get retracement levels at 23.6%, 38.2%, 50%, 61.8%, and 78.6% — plus extension levels at 127.2%, 161.8%, and 261.8%. Fibonacci levels work because they are widely watched by institutional and retail traders alike, creating self-fulfilling price reactions at these mathematically significant levels across all financial markets.

This free fibonacci calculator works directly in your browser — no download, no registration, and no delay. All calculations are performed client-side, so your trading data is never transmitted to a server.

The formula used is: Retracement Level = High − (High − Low) × Fibonacci Ratio. This is the same formula used by professional traders and institutional risk managers worldwide.

Supported asset classes include: Forex, Stocks, Crypto, Futures. Each asset class applies the correct unit conventions so results are always accurate regardless of the market you are trading.

Fibonacci Calculator — Frequently Asked Questions

Q.What is Fibonacci retracement in trading?

Fibonacci retracement levels are horizontal price zones derived from the Fibonacci sequence. After a strong price move, traders expect price to retrace (pull back) to one of these levels before continuing in the original direction. The most important levels are 38.2%, 50%, and 61.8%.

Q.Which Fibonacci level is most important?

The 61.8% level (the "golden ratio") is considered the most significant. The 38.2% and 50% levels are also widely watched. A confluence of multiple Fibonacci levels at the same price zone creates a stronger potential support or resistance area.

Q.What is the difference between retracement and extension?

Retracement levels (23.6%–78.6%) are used to find pullback entry zones within an existing trend. Extension levels (127.2%, 161.8%, 261.8%) are used to project take-profit targets beyond the original swing high or low.

Q.Do Fibonacci levels work in all markets?

Yes. Fibonacci levels are used in forex, stocks, crypto, commodities, and indices. They work because they are self-fulfilling — when enough traders watch the same levels and react to them, those levels become meaningful price zones regardless of the underlying mathematical reason.

Q.Is the 61.8% Fibonacci level the most important?

The 61.8% level (the "golden ratio") is considered the most powerful Fibonacci retracement level and is watched by more traders than any other. However, confluence matters more than any single level — a 61.8% retracement that also aligns with a key support level, a pivot point, or a moving average is significantly stronger than a 61.8% level in isolation.

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