Terms of Use
Last updated: 2026
Use of Calculators
All calculators on ContractorMaths are provided for estimation and planning purposes only. Results should not be used as the sole basis for structural, safety-critical or legally binding decisions. Always verify with a qualified professional.
Cookies
We may use cookies for basic website functionality and analytics. No personally identifying cookies are set. You can disable cookies in your browser settings.
Third Parties
We use Google Fonts (for typography) and may use Google Analytics (for anonymous usage statistics). These services have their own privacy policies.
Your Data
All calculations are performed locally in your browser. We do not transmit, store or have access to any values you enter into our calculators.
Contact
For privacy questions, please use our contact page.