Calculators for Your Site
Add free business calculators to your website with simple embed code. Useful for logistics, freight, SME finance, invoices, VAT/GST, working days and cross-border trade.
How it works
Choose a calculator
Pick from the available embeds below based on your audience.
Copy the embed code
Click "Copy" to get the iframe HTML snippet.
Paste into your site
Add the code to any HTML page, CMS, or website builder.
Available calculators
Each calculator works standalone, is mobile responsive, and loads fast. No ads inside the embed, no personal data collected.
VAT Calculator
Add or remove VAT/GST at any rate. Supports UK 20%, EU rates, and custom percentages.
Best for
Accounting firms, e-commerce sites, invoice tools, finance portals
Embed Code
<iframe src="https://utilitypilot.net/embed/vat-calculator" width="100%" height="520" style="border:none;border-radius:12px;" loading="lazy" title="VAT Calculator — UtilityPilot"></iframe>
CBM Calculator
Calculate cubic metres from carton dimensions for sea freight quotes and container planning.
Best for
Freight forwarders, logistics platforms, supplier portals, 3PL websites
Embed Code
<iframe src="https://utilitypilot.net/embed/cbm-calculator" width="100%" height="580" style="border:none;border-radius:12px;" loading="lazy" title="CBM Calculator — UtilityPilot"></iframe>
Business Days Calculator
Count working days between two dates excluding weekends and public holidays.
Best for
HR platforms, project management tools, SLA tracking, payroll sites
Embed Code
<iframe src="https://utilitypilot.net/embed/business-days-calculator" width="100%" height="540" style="border:none;border-radius:12px;" loading="lazy" title="Business Days Calculator — UtilityPilot"></iframe>
Invoice Due Date Calculator
Find when an invoice is due based on invoice date and net payment terms (Net 30, 60, 90).
Best for
Accounts receivable tools, SME finance sites, bookkeeping platforms
Embed Code
<iframe src="https://utilitypilot.net/embed/invoice-due-date-calculator" width="100%" height="560" style="border:none;border-radius:12px;" loading="lazy" title="Invoice Due Date Calculator — UtilityPilot"></iframe>
HS Code Duty Calculator Lite
Estimate import duty and VAT/GST from goods value, freight, insurance and duty rate percentage.
Best for
Customs brokers, import/export businesses, cross-border e-commerce
Estimates only. Actual duties depend on HS classification and country-specific rules.
Embed Code
<iframe src="https://utilitypilot.net/embed/hs-code-duty-calculator-lite" width="100%" height="600" style="border:none;border-radius:12px;" loading="lazy" title="HS Code Duty Calculator Lite — UtilityPilot"></iframe>
Landed Cost Calculator Lite
Estimate total landed cost per unit including product cost, freight, duty, VAT and fees.
Best for
Importers, sourcing teams, e-commerce sellers, supply chain blogs
Estimates only. Does not include all possible fees or trade agreement adjustments.
Embed Code
<iframe src="https://utilitypilot.net/embed/landed-cost-calculator-lite" width="100%" height="620" style="border:none;border-radius:12px;" loading="lazy" title="Landed Cost Calculator Lite — UtilityPilot"></iframe>
What you get
Mobile responsive layout that adapts to any container width
No ads, pop-ups, or aggressive CTAs inside the embed
No personal data collection or cookies beyond essential functionality
Calculators work standalone with no external dependencies
Fast loading with lazy-load support
Small "Powered by UtilityPilot" attribution link
Free to use on any website
Usage guidelines
You may embed these calculators on any website, blog, portal, or internal tool for free. Attribution via the “Powered by UtilityPilot” link must remain visible.
Do not modify the embed content, inject custom scripts into the iframe, or present the calculators as your own product without arrangement.
For white-label versions without branding, custom integrations, or API access, contact hello@utilitypilot.net.