Speed Unit Converter
Instant speed conversion across metric, imperial, and nautical units.
0.2778
Formula:1 km/h = 0.2778 m/s
Common Speeds
Formatting
All Conversions
Metric
Millimeter/smm/s
277.7778Centimeter/scm/s
27.7778Meter/sm/s
0.2778Meter/minm/min
16.6667Kilometer/hkm/h
1Kilometer/skm/s
0.0003Imperial
Inch/sin/s
10.9361Foot/sft/s
0.9113Foot/minft/min
54.6807Yard/syd/s
0.3038Mile/hmph
0.6214Nautical
Knotkn
0.54Scientific
Mach (sea level)Mach
0.0008Speed of lightc
9.2657e-10About This Tool
A full-featured speed conversion tool covering common metric, imperial, and nautical units. Switch between source and target units instantly with live results. It includes precision control, thousands separators, scientific notation, and trailing-zero trimming, plus handy presets and recent conversion pairs for daily and professional use. All calculations are done locally in your browser.
Features
- 🔁 Live Conversion: Results update instantly as you type
- 🚀 Unit Coverage: Metric, imperial, nautical, and scientific units
- 🎛️ Precision Control: Adjustable 0-12 decimal places
- 🔢 Formatting Options: Thousands separator, trim zeros, and scientific notation
- ⚡ Presets: Quick access to walking, cycling, city, and highway speeds
- 🕒 History: Saves recent conversion pairs for quick reuse