Inches ⇄ MM Converter

Short Description: Precision inch↔mm converter for CNC manufacturing. Right‑click selection, machining & tolerance mini tools. Description: Inches ⇄ MM is a precision converter built for manufacturing engineers and CNC machinists. Key features: - Fast inch↔mm conversion with up to 6 decimals - Right‑click selection conversion from any webpage - Machining allowance mini‑calculator (simplified) - ANSI→ISO tolerance fit mapping (simplified) - Copy result in one click - Industrial dark UI consistent with inches-to-mm.com How it works: - Convert direction toggle with a vertical swap button - Precision selector for common decimal places - Context menu pre‑fills the popup with your selection (e.g., “6 mm”, “2.5 in”) Permissions: - `contextMenus`: adds “Convert selection” to the right‑click menu - `storage`: stores a prefill value locally to open the popup with selection No network requests. No personal data collection. Support & website: - Website: https://inches-to-mm.com - Tools: https://inches-to-mm.com/machining, https://inches-to-mm.com/tolerance - Privacy: https://inches-to-mm.com/privacy - Support: https://inches-to-mm.com/faq