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  <meta name="description" content="Returns the length of the value contained in the variable.">
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<div class="article">
  <h1>LEN</h1>
  <blockquote>d = LEN(x)</blockquote>
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<p>Returns the length of the variable <code>x</code>.</p>
<p>The return value <code>d</code> depends on the type of the variable
<code>x</code>:</p>
<table>
<thead>
<tr class="header">
<th>Type</th>
<th>Return Value</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>number</td>
<td>length of the STR(x)</td>
</tr>
<tr class="even">
<td>string</td>
<td>length of the string</td>
</tr>
<tr class="odd">
<td>array</td>
<td>number of the elements</td>
</tr>
<tr class="even">
<td>map</td>
<td>number of the elements</td>
</tr>
</tbody>
</table>
<h3 id="example">Example</h3>
<div class="sourceCode" id="cb1"><pre
class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a>i = <span class="dv">10</span></span>
<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a>f = <span class="dv">1.234</span></span>
<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a>s = <span class="st">&quot;abc&quot;</span></span>
<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="dt">dim</span> a1(<span class="dv">9</span>)           <span class="co">&#39; Array with 10 elements</span></span>
<span id="cb1-5"><a href="#cb1-5" aria-hidden="true" tabindex="-1"></a><span class="dt">dim</span> a2(<span class="dv">9</span>,<span class="dv">9</span>)         <span class="co">&#39; Array with 10x10 elements</span></span>
<span id="cb1-6"><a href="#cb1-6" aria-hidden="true" tabindex="-1"></a>m = {x:<span class="dv">1</span>, y:<span class="dv">2</span>, z:<span class="dv">3</span>} <span class="co">&#39; Map variable with 3 elements</span></span>
<span id="cb1-7"><a href="#cb1-7" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb1-8"><a href="#cb1-8" aria-hidden="true" tabindex="-1"></a><span class="kw">print</span> <span class="fu">len</span>(i)        <span class="co">&#39; Output: 2</span></span>
<span id="cb1-9"><a href="#cb1-9" aria-hidden="true" tabindex="-1"></a><span class="kw">print</span> <span class="fu">len</span>(f)        <span class="co">&#39; Output: 5</span></span>
<span id="cb1-10"><a href="#cb1-10" aria-hidden="true" tabindex="-1"></a><span class="kw">print</span> <span class="fu">len</span>(s)        <span class="co">&#39; Output: 3</span></span>
<span id="cb1-11"><a href="#cb1-11" aria-hidden="true" tabindex="-1"></a><span class="kw">print</span> <span class="fu">len</span>(a1)       <span class="co">&#39; Output: 10</span></span>
<span id="cb1-12"><a href="#cb1-12" aria-hidden="true" tabindex="-1"></a><span class="kw">print</span> <span class="fu">len</span>(a2)       <span class="co">&#39; Output: 100</span></span>
<span id="cb1-13"><a href="#cb1-13" aria-hidden="true" tabindex="-1"></a><span class="kw">print</span> <span class="fu">len</span>(m)        <span class="co">&#39; Output: 3</span></span></code></pre></div>
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    <div class="header">Code samples using LEN</div>
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    </div>
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    <div class="header">Data</div>
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      <a href="/reference/581.html">APPEND </a>&nbsp;
      <a href="/reference/1432.html">ARRAY </a>&nbsp;
      <a href="/reference/569.html">DATA </a>&nbsp;
      <a href="/reference/542.html">DELETE </a>&nbsp;
      <a href="/reference/570.html">DIM </a>&nbsp;
      <a href="/reference/543.html">EMPTY </a>&nbsp;
      <a href="/reference/571.html">ERASE </a>&nbsp;
      <a href="/reference/544.html">INSERT </a>&nbsp;
      <a href="/reference/555.html">ISARRAY </a>&nbsp;
      <a href="/reference/556.html">ISDIR </a>&nbsp;
      <a href="/reference/557.html">ISFILE </a>&nbsp;
      <a href="/reference/558.html">ISLINK </a>&nbsp;
      <a href="/reference/1430.html">ISMAP </a>&nbsp;
      <a href="/reference/559.html">ISNUMBER </a>&nbsp;
      <a href="/reference/560.html">ISSTRING </a>&nbsp;
      <a href="/reference/561.html">LBOUND </a>&nbsp;
      <a href="/reference/562.html"><strong>LEN</strong> </a>&nbsp;
      <a href="/reference/546.html">READ </a>&nbsp;
      <a href="/reference/547.html">REDIM </a>&nbsp;
      <a href="/reference/572.html">RESTORE </a>&nbsp;
      <a href="/reference/548.html">SEARCH </a>&nbsp;
      <a href="/reference/549.html">SORT </a>&nbsp;
      <a href="/reference/550.html">SWAP </a>&nbsp;
      <a href="/reference/567.html">UBOUND </a>&nbsp;
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