# Convert Small Balance to BNB

For each instrument, the exchange sets a minimum order size available for sale—the relevant information for each instrument can be found in the [exchange's documentation](https://www.binance.com/en/trade-rule).

For example, for altcoins on Binance Spot, this value is usually 5 USDT, while for BTC, in particular, it is 100 USDT.

If the volume of your coins is lower than the minimum available for sale, you can enable the **"Convert Small Balance to BNB"** option in your Binance via Tiger.com Broker account:

<figure><img src="/files/NYHYO9j7fb3Z6YTjDWzO" alt=""><figcaption></figcaption></figure>

With the active option, all your spot assets with a market value below 0.0012 BTC will be automatically converted into BNB spot coins.

You can find more details about this process in the [Binance documentation](https://www.binance.com/en/support/faq/detail/360003012371).


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