Terms of Use

1. Acceptance of Terms

By accessing and using ProReckoner ("the Site", "we", "our"), you accept and agree to be bound by these Terms of Use. If you do not agree to these terms, please do not use this site.

2. Purpose and Nature of the Site

ProReckoner provides 153 free online calculators and reference tools for professionals including nurses, paramedics, pharmacy staff, tradies, finance professionals, teachers, fitness professionals, agricultural workers, hospitality workers, real estate professionals and construction workers.

All calculators and content on this site are provided for reference, planning and educational purposes only. They are not a substitute for professional judgement, clinical assessment, or qualified advice.

3. Clinical and Professional Disclaimer

Always verify clinical calculations against:

• Your employer's or agency's approved clinical practice guidelines
• Current guidelines from AHPRA, ACSQHC, ARC, TGA (Australia) or NREMT, AHA, FDA, TJC (United States)
• Direct supervision or instruction from a qualified senior clinician
• Your facility's current drug formulary before any medication administration

ProReckoner accepts no liability for clinical decisions made on the basis of outputs from this site.

4. No Professional Advice

Nothing on this site constitutes legal, financial, medical, pharmaceutical, engineering, or any other professional advice. Results from calculators are estimates only. Always consult a qualified professional before making decisions based on calculator outputs.

5. Accuracy and Limitations

While we strive to keep all calculators accurate and up to date, ProReckoner makes no warranty — express or implied — as to the accuracy, completeness or suitability of any information on this site. Formulas, rates and regulatory references are based on publicly available information and may not reflect the most current standards in your jurisdiction.

Rates and benchmarks (tax brackets, SGC rates, building codes, drug protocols) change over time. Always verify against the current authoritative source for your jurisdiction.

6. Limitation of Liability

To the fullest extent permitted by law, ProReckoner and its operators shall not be liable for any direct, indirect, incidental, consequential or punitive damages arising from your use of, or inability to use, this site or its calculators.

7. Intellectual Property

The underlying mathematical formulas and regulatory references used in our calculators are in the public domain. Our original IP consists of the written content, guide structure, worked examples, scenarios and design expression on this site.

All original content on this site — including the 9-section guide format, scenario hooks, worked examples, common error tables, sanity checks, FAQ content and calculator UI design — is the intellectual property of ProReckoner. You may use the calculators freely for personal and professional reference. You may not reproduce, scrape, redistribute or commercialise the original written content or design without written permission.

8. Third-Party Services

This site uses Google Analytics and Google Tag Manager for anonymised usage analytics, and may display advertisements served by Google AdSense. We do not sell user data. See our Privacy Policy for full details on data collection and use.

Links to external reference sources (ATO, ARC, AHPRA, AHA, IRS, etc.) are provided for convenience. ProReckoner is not affiliated with and does not endorse any linked third-party organisation.

9. Changes to These Terms

We may update these Terms of Use from time to time. Continued use of the site after changes constitutes acceptance of the revised terms. The "Last updated" date at the top of this page reflects the most recent revision.

10. Governing Law

These terms are governed by the laws of South Australia, Australia. Any disputes arising from use of this site shall be subject to the jurisdiction of the courts of South Australia, Australia.

11. Contact

Questions about these terms? Contact us via our Contact page.