Free Calculator Widgets

TOOLS2030 / FREE WIDGETS

Free Calculator Widgets

Embed a fast Percentage, Tip or Loan Calculator on your website. The widgets are free, responsive and include a small Tools2030 attribution link.

Percentage Calculator

Result: 30
<iframe src="https://tools2030.com/free-calculator-widgets/?widget=percentage" width="100%" height="430" frameborder="0" loading="lazy"></iframe>

Tip Calculator

Tip: 18 · Per person: 59
<iframe src="https://tools2030.com/free-calculator-widgets/?widget=tip" width="100%" height="520" frameborder="0" loading="lazy"></iframe>

Loan Calculator

Monthly payment: 313.36
<iframe src="https://tools2030.com/free-calculator-widgets/?widget=loan" width="100%" height="520" frameborder="0" loading="lazy"></iframe>

Embedding guidelines

You may embed these widgets on public websites without charge. Keep the Tools2030 attribution visible, do not represent the calculations as professional financial advice, and test the iframe on mobile devices.

Methodology: Percentage uses Y × X ÷ 100. Tip uses bill × rate ÷ 100. Loan payments use the standard amortizing payment formula. Inputs remain inside the visitor’s browser.

Last reviewed: November 11, 2026.