Free widget library · CC-BY 4.0

Free embeddable renovation calculators

7 production-grade home-renovation calculators you can drop into any blog post, contractor site, or news article in 10 seconds. Same math as our editorial calculators (we ship a fresh build every 2 weeks), each with a "Powered by HavenCostGuide" attribution link. Free forever under CC-BY 4.0.

No API key No account Mobile-responsive No data leaves the user's browser

Widget

Storm Damage Claim Calculator

Should I file my storm damage claim? Runs the ACV/RCV math + 5-year premium-impact penalty.

Best for: Insurance bloggers · roofing contractors · disaster recovery sites

Copy-paste iframe

<iframe
  src="https://havencostguide.com/embed/storm-damage-calculator?showcode=0"
  width="100%"
  height="780"
  style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;"
  loading="lazy"
  title="Storm Damage Claim Calculator — HavenCostGuide"
></iframe>

Docs & FAQ Open embed in new tab See full calc

Widget

Should I DIY or Hire a Contractor?

Break-even math: contractor quote vs. (materials + tools + your hours × opp cost + rework risk).

Best for: DIY blogs · home-improvement YouTubers · personal-finance sites

Copy-paste iframe

<iframe
  src="https://havencostguide.com/embed/diy-or-contractor-calculator?showcode=0"
  width="100%"
  height="540"
  style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;"
  loading="lazy"
  title="Should I DIY or Hire a Contractor? — HavenCostGuide"
></iframe>

Docs & FAQ Open embed in new tab See full calc

Widget

Should I Repair or Replace My Roof?

10-year cost-of-ownership math comparing a targeted repair vs. a full replacement.

Best for: Roofing contractors · real-estate sites · home-maintenance blogs

Copy-paste iframe

<iframe
  src="https://havencostguide.com/embed/repair-or-replace-roof-calculator?showcode=0"
  width="100%"
  height="620"
  style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;"
  loading="lazy"
  title="Should I Repair or Replace My Roof? — HavenCostGuide"
></iframe>

Docs & FAQ Open embed in new tab See full calc

Widget

Renovation Financing Comparison

HELOC vs home equity loan vs cash-out refi vs personal loan, side-by-side. Includes rate-reset trap.

Best for: Personal-finance sites · mortgage brokers · real-estate sites

Copy-paste iframe

<iframe
  src="https://havencostguide.com/embed/renovation-financing-calculator?showcode=0"
  width="100%"
  height="640"
  style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;"
  loading="lazy"
  title="Renovation Financing Comparison — HavenCostGuide"
></iframe>

Docs & FAQ Open embed in new tab See full calc

Widget

Is My Contractor Quote Fair?

Compares any contractor quote against the regional state × project benchmark and returns a 5-tier verdict in 30 seconds.

Best for: Home-improvement bloggers · real-estate sites · contractors needing transparency

Copy-paste iframe

<iframe
  src="https://havencostguide.com/embed/quote-fairness-calculator?showcode=0"
  width="100%"
  height="540"
  style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;"
  loading="lazy"
  title="Is My Contractor Quote Fair? — HavenCostGuide"
></iframe>

Docs & FAQ Open embed in new tab See full calc

Widget

Should I Sue My Contractor?

4-tier dispute strategy (proceed / negotiate first / civil court / unwinnable) with state-specific small-claims limit + statute-of-limitations check.

Best for: Consumer-protection blogs · legal-aid sites · personal-finance forums · contractor-watchdog sites

Copy-paste iframe

<iframe
  src="https://havencostguide.com/embed/contractor-dispute-calculator?showcode=0"
  width="100%"
  height="640"
  style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;"
  loading="lazy"
  title="Should I Sue My Contractor? — HavenCostGuide"
></iframe>

Docs & FAQ Open embed in new tab See full calc

Widget

National Renovation Cost Index

Live snapshot of 11 renovation cost categories, indexed to 2026 baseline. Updated every 2 weeks.

Best for: Data journalists · economics blogs · real-estate analysts

Copy-paste iframe

<iframe
  src="https://havencostguide.com/embed/cost-index?showcode=0"
  width="100%"
  height="360"
  style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;"
  loading="lazy"
  title="National Renovation Cost Index — HavenCostGuide"
></iframe>

Docs & FAQ Open embed in new tab See full calc

License terms

Free forever under Creative Commons Attribution 4.0 (CC-BY 4.0). Commercial use OK.
Keep the attribution link. Each embed already renders "Powered by HavenCostGuide" in its footer — please don't CSS-hide it.
No data sent to us. All math runs in the user's browser; we receive zero telemetry from the iframe.
UTMs help us track distribution. We auto-tag click-outs from the iframe back to HavenCostGuide with utm_source={your-domain} — appreciated, not required.
Questions, custom builds, or want us to white-label? Contact us.

Working on a story or research piece? See our press kit → with citation snippets and the underlying dataset.