Embed our calculators on your site

Property-management blogs, landlord associations, and legal-aid sites can add any calculator below with one snippet. Free to use; the only requirement is keeping the attribution link intact. The tools run entirely in the visitor's browser and update automatically when state rules change.

Rent Late Fee Calculator

State late-fee caps and grace periods, statute-cited.

<iframe
  src="https://getlandlordkit.com/embed/late-fee-calculator"
  title="Rent Late Fee Calculator — LandlordKit"
  width="100%" height="720" frameborder="0"
  loading="lazy" style="border:1px solid #e5e1d8;border-radius:12px">
</iframe>

Security Deposit Interest Calculator

Computes the interest owed under each state's rule.

<iframe
  src="https://getlandlordkit.com/embed/security-deposit-interest-calculator"
  title="Security Deposit Interest Calculator — LandlordKit"
  width="100%" height="720" frameborder="0"
  loading="lazy" style="border:1px solid #e5e1d8;border-radius:12px">
</iframe>

Prorated Rent Calculator

All three accepted proration methods, side by side.

<iframe
  src="https://getlandlordkit.com/embed/prorated-rent-calculator"
  title="Prorated Rent Calculator — LandlordKit"
  width="100%" height="720" frameborder="0"
  loading="lazy" style="border:1px solid #e5e1d8;border-radius:12px">
</iframe>

Want a different tool, a specific state pre-selected, or a white-label version? Email us — see the press & data page.