<p>The formula to calculate that is:</p>
<pre><code>100% x (1-√(BTC x fiat))
</code></pre>
<p>where <code>BTC</code> and <code>fiat</code> are the two values highlighted in gray above.</p>
<p>Using the values given in the quesiton, it is <code>5.1%</code>.</p>
<p>(Assuming that the conversion fees in both ways are calculated as a percentage, with the multiplier)</p>

CC BY-SA 4.0
2021-01-02T20:26:51.650Z
2021-01-02T20:26:51.650Z
MCCCS
<p>According to Exchange A, I can withdraw 1 BTC as <code>90 fiat</code>. Or I can send them 1 fiat in return for <code>0.01 BTC</code>. How do I calculate percentage fees for one way conversion?</p>

<exchanges><exchange-fees>
How to calculate conversion exchange fees?
MCCCS
# How to calculate conversion exchange fees?

(Asked by: username_0 on 2021-01-02)

According to Exchange A, I can withdraw 1 BTC as `90 fiat`. Or I can send them 1 fiat in return for `0.01 BTC`. How do I calculate percentage fees for one way conversion?

**Tags:** exchanges, exchange-fees


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## 1 answers

### Answer by username_0 on 2021-01-02. Score: 1

The formula to calculate that is:

```
100% x (1-√(BTC x fiat))

```

where `BTC` and `fiat` are the two values highlighted in gray above.

Using the values given in the quesiton, it is `5.1%`.

(Assuming that the conversion fees in both ways are calculated as a percentage, with the multiplier)


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