<p><span class="application">Electrum</span> uses <em>mBTC</em> as the default base unit. 1 mBTC = 0.001 BTC. To change the base unit, choose <span class="menuchoice"> <span class="guimenu">Tools</span> ▸ <span class="guimenuitem">Preferences</span></span>.</p>
For an explanation of how Bitcoin works in simple terms, read [The In-Depth Guide to Bitcoin That Won’t Leave You Frustrated](https://www.vpnmentor.com/blog/ultimate-guide-bitcoin/).
default base unit. 1 mBTC = 0.001 BTC. To change the base unit, choose
<span class="menuchoice">
<span class="guimenu">Tools</span> ▸
<span class="guimenuitem">Preferences</span></span>.</p>