Calculator Widgets
Embeddable widgets help publishers, bloggers, schools, and small businesses add useful calculators while linking back to CalculatorsHive. Free embeds include a required attribution bar.
Free embed (recommended)
Add ?embed=1 to any calculator URL for a lightweight iframe with calculator UI only and a powered-by link.
Widget gallery
401(k) Contribution Calculator
Calculate 401(k) growth with employee contributions and employer match. See total annual savings, employer fre…
401(k) vs Roth IRA Calculator
Compare a Traditional 401(k) or IRA (pre-tax) against a Roth 401(k) or Roth IRA (post-tax). See exactly which …
APR Calculator
Calculate the true Annual Percentage Rate (APR) of any loan, including fees. Compare loans accurately — APR …
Aeration Basin Volume Calculator
Preliminary aeration basin volume from F/M ratio biological design and hydraulic retention time (HRT), with or…
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes. Find out how many days until your next bi…
Amortization Calculator
Calculate a complete loan amortization schedule. See your monthly principal and interest breakdown for every p…
Australian Income Tax Calculator
Calculate your Australian take-home pay after income tax, Medicare levy, and Low Income Tax Offset (LITO). Use…
Auto Loan Calculator
Calculate your monthly car loan payment, total interest, and full cost of financing a vehicle. Works for new a…
Branding rules
- Keep the CalculatorsHive attribution visible.
- Do not remove the powered-by link from free embeds.
- Do not present results as professional tax, medical, legal, or financial advice.
Premium white-label widgets
Need custom branding, domain allowlists, analytics, or ad-free embeds for commercial sites? Contact us for paid widget plans.
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