Terms of Service

1. Acceptance of Terms

By accessing and using Solar Sizing Calculator (solarsizingcalculator.com), you agree to be bound by these Terms of Service. If you do not agree with any part of these terms, please do not use our website.

2. Description of Service

Solar Sizing Calculator provides free online solar sizing calculators for installers, self-builders and off-grid owners. Our tools cover solar system size, battery bank runtime, DC voltage drop, solar cable sizing, AWG to mm2 conversion, PV fuse and breaker sizing, and energy running costs.

3. Disclaimer of Accuracy

Our calculators are designed to provide accurate results based on widely accepted solar and electrical engineering formulas and standards. However:

• Results are for reference and educational purposes only. They should not be used as the sole basis for solar or electrical work affecting safety or compliance.
• All calculations should be verified by a qualified, licensed electrician or engineer and checked against the applicable wiring standard (NEC including Article 690, AS/NZS, IEC, etc.) before use.
• Actual conditions may differ from idealized models. Factors such as conductor temperature, installation method, bundling, and supply characteristics affect real-world results.

4. Limitation of Liability

Solar Sizing Calculator and its operators shall not be liable for any direct, indirect, incidental, consequential, or special damages arising from the use of, or inability to use, our calculators and tools. This includes but is not limited to damages from errors in calculations, misinterpretation of results, or reliance on calculator outputs for system design or electrical decisions.

5. Intellectual Property

All content on this website, including text, graphics, logos, calculator designs, and software, is the property of Solar Sizing Calculator and is protected by intellectual property laws. You may use our calculators for personal and professional calculations but may not reproduce, distribute, or modify our website content without permission.

6. Permitted Use

You may use our website and calculators for:

• Personal solar sizing calculations and analysis
• Educational and learning purposes
• Preliminary design estimates (subject to professional verification)
• Reference and comparison with other calculation methods

7. Prohibited Use

You may not:

• Attempt to reverse-engineer, scrape, or copy our calculator software
• Use automated bots or scripts to access our calculators at scale
• Misrepresent our calculator results as certified engineering calculations
• Use the website in any way that could damage or overload our servers

8. Modifications

We reserve the right to modify these terms at any time. Continued use of the website after changes constitutes acceptance of the updated terms.

9. Governing Law

These terms shall be governed by and construed in accordance with applicable laws, without regard to conflict of law provisions.

10. Contact

For questions about these Terms of Service, please contact us at hello@solarsizingcalculator.com.