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---
title: Numeric
layout: default
---
<div class="main">
<div class="banner">
<span>Ruby on Rails 8.0.0</span><br />
<div class="type">Class</div>
<h1>
Numeric
<span class="parent"><
<a href="Object.html">Object</a>
</span>
</h1>
<ul class="files">
<li><a href="../files/activesupport/lib/active_support/core_ext/numeric/bytes_rb.html">activesupport/lib/active_support/core_ext/numeric/bytes.rb</a></li>
<li><a href="../files/activesupport/lib/active_support/core_ext/numeric/time_rb.html">activesupport/lib/active_support/core_ext/numeric/time.rb</a></li>
<li><a href="../files/activesupport/lib/active_support/core_ext/object/blank_rb.html">activesupport/lib/active_support/core_ext/object/blank.rb</a></li>
<li><a href="../files/activesupport/lib/active_support/core_ext/object/json_rb.html">activesupport/lib/active_support/core_ext/object/json.rb</a></li>
<li><a href="../files/activesupport/lib/active_support/core_ext/string/output_safety_rb.html">activesupport/lib/active_support/core_ext/string/output_safety.rb</a></li>
</ul>
</div>
<div id="bodyContent">
<div id="content">
<h2 id="methods">Methods</h2>
<ul>
<li>
<a href="#method-i-byte">byte</a>
</li>
<li>
<a href="#method-i-bytes">bytes</a>
</li>
<li>
<a href="#method-i-day">day</a>
</li>
<li>
<a href="#method-i-days">days</a>
</li>
<li>
<a href="#method-i-exabyte">exabyte</a>
</li>
<li>
<a href="#method-i-exabytes">exabytes</a>
</li>
<li>
<a href="#method-i-fortnight">fortnight</a>
</li>
<li>
<a href="#method-i-fortnights">fortnights</a>
</li>
<li>
<a href="#method-i-gigabyte">gigabyte</a>
</li>
<li>
<a href="#method-i-gigabytes">gigabytes</a>
</li>
<li>
<a href="#method-i-hour">hour</a>
</li>
<li>
<a href="#method-i-hours">hours</a>
</li>
<li>
<a href="#method-i-html_safe-3F">html_safe?</a>
</li>
<li>
<a href="#method-i-in_milliseconds">in_milliseconds</a>
</li>
<li>
<a href="#method-i-kilobyte">kilobyte</a>
</li>
<li>
<a href="#method-i-kilobytes">kilobytes</a>
</li>
<li>
<a href="#method-i-megabyte">megabyte</a>
</li>
<li>
<a href="#method-i-megabytes">megabytes</a>
</li>
<li>
<a href="#method-i-minute">minute</a>
</li>
<li>
<a href="#method-i-minutes">minutes</a>
</li>
<li>
<a href="#method-i-petabyte">petabyte</a>
</li>
<li>
<a href="#method-i-petabytes">petabytes</a>
</li>
<li>
<a href="#method-i-second">second</a>
</li>
<li>
<a href="#method-i-seconds">seconds</a>
</li>
<li>
<a href="#method-i-terabyte">terabyte</a>
</li>
<li>
<a href="#method-i-terabytes">terabytes</a>
</li>
<li>
<a href="#method-i-week">week</a>
</li>
<li>
<a href="#method-i-weeks">weeks</a>
</li>
<li>
<a href="#method-i-zettabyte">zettabyte</a>
</li>
<li>
<a href="#method-i-zettabytes">zettabytes</a>
</li>
</ul>
<!-- Section constants -->
<h2 id="constants">Constants</h2>
<table border='0' cellpadding='5'>
<tr valign='top'>
<td class="attr-name">EXABYTE</td>
<td>=</td>
<td class="attr-value">PETABYTE * 1024</td>
</tr>
<tr valign='top'>
<td class="attr-name">GIGABYTE</td>
<td>=</td>
<td class="attr-value">MEGABYTE * 1024</td>
</tr>
<tr valign='top'>
<td class="attr-name">KILOBYTE</td>
<td>=</td>
<td class="attr-value">1024</td>
</tr>
<tr valign='top'>
<td class="attr-name">MEGABYTE</td>
<td>=</td>
<td class="attr-value">KILOBYTE * 1024</td>
</tr>
<tr valign='top'>
<td class="attr-name">PETABYTE</td>
<td>=</td>
<td class="attr-value">TERABYTE * 1024</td>
</tr>
<tr valign='top'>
<td class="attr-name">TERABYTE</td>
<td>=</td>
<td class="attr-value">GIGABYTE * 1024</td>
</tr>
<tr valign='top'>
<td class="attr-name">ZETTABYTE</td>
<td>=</td>
<td class="attr-value">EXABYTE * 1024</td>
</tr>
</table>
<!-- Methods -->
<h2 id="instance-public-methods">Instance Public methods</h2>
<div class="method">
<h3 id="method-i-byte">
byte()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-bytes">bytes</a>
</div>
</div>
<div class="method">
<h3 id="method-i-bytes">
bytes()
</h3>
<div class="description">
<p>Enables the use of byte calculations and declarations, like 45.bytes + 2.6.megabytes</p>
<pre><code>2.bytes # => 2
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-byte">byte</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/bytes.rb, line 15
def bytes
self
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/bytes.rb#L15" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-day">
day()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-days">days</a>
</div>
</div>
<div class="method">
<h3 id="method-i-days">
days()
</h3>
<div class="description">
<p>Returns a Duration instance matching the number of days provided.</p>
<pre><code>2.days # => 2 days
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-day">day</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/time.rb, line 37
def days
ActiveSupport::Duration.days(self)
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/time.rb#L37" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-exabyte">
exabyte()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-exabytes">exabytes</a>
</div>
</div>
<div class="method">
<h3 id="method-i-exabytes">
exabytes()
</h3>
<div class="description">
<p>Returns the number of bytes equivalent to the exabytes provided.</p>
<pre><code>2.exabytes # => 2_305_843_009_213_693_952
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-exabyte">exabyte</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/bytes.rb, line 63
def exabytes
self * EXABYTE
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/bytes.rb#L63" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-fortnight">
fortnight()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-fortnights">fortnights</a>
</div>
</div>
<div class="method">
<h3 id="method-i-fortnights">
fortnights()
</h3>
<div class="description">
<p>Returns a Duration instance matching the number of fortnights provided.</p>
<pre><code>2.fortnights # => 4 weeks
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-fortnight">fortnight</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/time.rb, line 53
def fortnights
ActiveSupport::Duration.weeks(self * 2)
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/time.rb#L53" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-gigabyte">
gigabyte()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-gigabytes">gigabytes</a>
</div>
</div>
<div class="method">
<h3 id="method-i-gigabytes">
gigabytes()
</h3>
<div class="description">
<p>Returns the number of bytes equivalent to the gigabytes provided.</p>
<pre><code>2.gigabytes # => 2_147_483_648
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-gigabyte">gigabyte</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/bytes.rb, line 39
def gigabytes
self * GIGABYTE
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/bytes.rb#L39" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-hour">
hour()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-hours">hours</a>
</div>
</div>
<div class="method">
<h3 id="method-i-hours">
hours()
</h3>
<div class="description">
<p>Returns a Duration instance matching the number of hours provided.</p>
<pre><code>2.hours # => 2 hours
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-hour">hour</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/time.rb, line 29
def hours
ActiveSupport::Duration.hours(self)
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/time.rb#L29" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-html_safe-3F">
html_safe?()
</h3>
<div class="description">
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/string/output_safety.rb, line 13
def html_safe?
true
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/string/output_safety.rb#L13" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-in_milliseconds">
in_milliseconds()
</h3>
<div class="description">
<p>Returns the number of milliseconds equivalent to the seconds provided. Used with the standard time durations.</p>
<pre><code>2.in_milliseconds # => 2000
1.hour.in_milliseconds # => 3600000
</code></pre>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/time.rb, line 63
def in_milliseconds
self * 1000
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/time.rb#L63" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-kilobyte">
kilobyte()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-kilobytes">kilobytes</a>
</div>
</div>
<div class="method">
<h3 id="method-i-kilobytes">
kilobytes()
</h3>
<div class="description">
<p>Returns the number of bytes equivalent to the kilobytes provided.</p>
<pre><code>2.kilobytes # => 2048
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-kilobyte">kilobyte</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/bytes.rb, line 23
def kilobytes
self * KILOBYTE
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/bytes.rb#L23" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-megabyte">
megabyte()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-megabytes">megabytes</a>
</div>
</div>
<div class="method">
<h3 id="method-i-megabytes">
megabytes()
</h3>
<div class="description">
<p>Returns the number of bytes equivalent to the megabytes provided.</p>
<pre><code>2.megabytes # => 2_097_152
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-megabyte">megabyte</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/bytes.rb, line 31
def megabytes
self * MEGABYTE
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/bytes.rb#L31" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-minute">
minute()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-minutes">minutes</a>
</div>
</div>
<div class="method">
<h3 id="method-i-minutes">
minutes()
</h3>
<div class="description">
<p>Returns a Duration instance matching the number of minutes provided.</p>
<pre><code>2.minutes # => 2 minutes
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-minute">minute</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/time.rb, line 21
def minutes
ActiveSupport::Duration.minutes(self)
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/time.rb#L21" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-petabyte">
petabyte()
</h3>
<div class="description">
</div>
<div class="aka">
Alias for: <a href="Numeric.html#method-i-petabytes">petabytes</a>
</div>
</div>
<div class="method">
<h3 id="method-i-petabytes">
petabytes()
</h3>
<div class="description">
<p>Returns the number of bytes equivalent to the petabytes provided.</p>
<pre><code>2.petabytes # => 2_251_799_813_685_248
</code></pre>
</div>
<div class="aka">
Also aliased as: <a href="Numeric.html#method-i-petabyte">petabyte</a>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File activesupport/lib/active_support/core_ext/numeric/bytes.rb, line 55
def petabytes
self * PETABYTE
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/numeric/bytes.rb#L55" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-i-second">
second()
</h3>
<div class="description">
</div>