About Us

KmToMph.com exists for quick, confident speed conversions—especially when you’re switching between regions that use different speed units (km/h vs mph), reading specs, comparing datasets, or checking speed limits while traveling. The goal: less confusion, faster answers.

The converter is deliberately simple: enter a value, choose units, and get instant results. Need the reverse direction? Use Swap Units. Want a clean start? Hit Clear.

What makes this tool trustworthy

• Exact factors shown: we display the standard relationship right on the page (1 km/h = 0.6213711922 mph and 1 mph = 1.609344 km/h).
• Learning built-in: the site includes definitions, formulas, and examples—so you can verify the math.
• Reference help: a conversion table and FAQs make quick lookups easy.
• Global-friendly: multiple language options are available from the footer language selector.

Our principles

• Clarity over clutter. Simple UI, obvious units, and fast results.
• Accuracy first. Show the factor so you can cross-check.
• Privacy by default. No login required for a quick conversion.
• Mobile-friendly. Works smoothly on everyday devices.

Say hello

Found a bug, want another speed converter/page added, or have feedback on wording/examples? Message us via the contact page.

Last updated: November 30, 2025