Embed IP Subnet Calculator - Free Widget
Embed our free IP subnet calculator on your website. Calculate IPv4 and IPv6 subnets, CIDR notations, network addresses and more.
Embed Our Subnet Calculator
Add a powerful subnet calculator to your website in minutes.
How to Embed
IPv4 Embed Code
Copy and paste this code into your HTML where you want the calculator to appear:
<!-- Subnet Calculator -->
<div id="subnet-calculator"></div>
<script src="https://rref-calculator.com/calculator-embed.js"></script>
<script>
createCalculator('subnet-ipv4', 'subnet-calculator', '550px');
</script>Preview
IPv6 Embed Code
Copy and paste this code into your HTML where you want the calculator to appear:
<!-- Subnet Calculator -->
<div id="subnet-calculator"></div>
<script src="https://rref-calculator.com/calculator-embed.js"></script>
<script>
createCalculator('subnet-ipv6', 'subnet-calculator', '450px');
</script>Preview
Features
Complete IPv4 & IPv6 Support
Calculate subnets for both IPv4 and IPv6 networks with automatic detection and appropriate outputs.
Comprehensive Network Details
Get network address, broadcast address, usable host range, subnet mask, and more with a single calculation.
CIDR Notation Support
Work with modern CIDR notation or traditional subnet masks, with automatic conversion between formats.
Responsive Design
Calculator automatically adjusts to fit any screen size or container width.
Dark Mode Support
Automatic dark mode detection and switching to match your website's theme.
Regular Updates
Continuously updated with new features and improvements at no additional cost.
Use Cases
Network Administration
Help network administrators quickly calculate subnet ranges and addresses.
Educational Websites
Teach students about IP addressing and subnetting with practical examples.
IT Documentation
Add interactive subnet calculations to your technical documentation.
Network Design Tools
Integrate subnet calculations into your network design and planning tools.
Terms of Use
- The calculator is free to embed on any website
- Attribution links must remain visible and unmodified
- The calculator may not be modified or reverse engineered
- We reserve the right to update or modify the calculator at any time
About this Calculator
Embed our free IP subnet calculator on your website. Calculate IPv4 and IPv6 subnets, CIDR notations, network addresses and more.