Important information about the use, accuracy, and limitations of our calculators.
The tools, formulas, and content on Numerical Calculator (the "Website") are offered in good faith and for general informational and educational use. While we make every effort to keep the calculations accurate and up to date, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, or suitability of the information and tools provided.
The Website does not provide professional engineering, electrical, or safety advice. The results produced by our calculators are estimates based on idealised models and standard formulas. They should not be used as the sole basis for designing, building, or certifying any circuit, product, or installation. For any safety-critical, commercial, or regulated application, consult a qualified, licensed professional and verify all results against authoritative references and applicable standards.
Real-world components have tolerances, temperature dependencies, parasitic effects, and manufacturing variations that simplified formulas cannot fully capture. Our calculators assume ideal conditions unless stated otherwise. Always:
Working with electricity can be dangerous and, if done improperly, can cause injury, fire, or death. Nothing on this Website should be taken as encouragement to attempt work beyond your competence. Always de-energise circuits before working on them, use appropriate protective equipment, and comply with your local electrical codes and regulations.
The Website may contain links to external sites that are not provided or maintained by us. We do not guarantee the accuracy, relevance, or completeness of any information on those external websites and are not responsible for their content.
Under no circumstances shall Numerical Calculator or its operators be held liable for any loss or damage — including without limitation indirect or consequential loss, damage to equipment, or financial loss — arising out of, or in connection with, the use of this Website or reliance on any information or calculation provided. Your use of the Website and its tools is entirely at your own risk.
By using this Website, you acknowledge that you have read and understood this disclaimer and agree to its terms. If you do not agree, please discontinue use of the Website.
Last updated: January 2024 · Questions? See our Contact page.