Terms

Last updated: 5 June 2026

Use of Trefid

Trefid provides calculators and tools for general informational use. You may use the site for personal or business reference, provided you do not misuse the service or attempt to interfere with its operation.

Calculator results

Calculator outputs are estimates based on the values entered. Results should be checked before relying on them for important decisions, records, payments, deadlines, or submissions.

No professional advice

Nothing on Trefid is financial, legal, tax, medical, engineering, or other professional advice. If a calculation affects an important decision, consult the relevant official source or a qualified professional.

Availability

We aim to keep Trefid available and accurate, but we do not guarantee uninterrupted access, error-free calculations, or that every tool will suit every use case.

Contact

For enquiries, corrections, or feedback, contact hello@trefid.com.