Speed Converter

About This Free Online Speed Converter

Our free online speed converter instantly converts velocity between miles per hour (mph), kilometers per hour (km/h), knots, meters per second (m/s), and feet per second (ft/s). Enter a value, choose your starting unit, and every other unit updates live. Showing all units at once is ideal for driving, aviation, sailing, sports, and physics. All conversions run in your browser, keeping your data private.

Features of Our Speed Converter

Convert mph, km/h, knots, m/s, and ft/s
See all speed units update at once
Useful for driving, aviation, and sailing
Handles decimals and high speeds
Live results as you type
100% private — browser-only processing

How to Use the Speed Converter

The Speed Converter works right in your browser — no signup, no installation. Follow these steps:

Enter a speed value in the input field.
Select the unit you are converting from.
Read the equivalent in every other unit instantly.
Click Copy to copy the full conversion summary.

Frequently Asked Questions About Speed Converter

How do I convert mph to km/h?

Multiply the miles-per-hour value by 1.609344. For example, 60 mph equals about 96.56 km/h. This tool does it instantly.

What is a knot?

A knot is one nautical mile per hour, used in aviation and marine navigation. One knot equals about 1.852 km/h or 1.15078 mph.

How do I convert km/h to m/s?

Divide the km/h value by 3.6. For example, 36 km/h equals 10 m/s. The converter shows meters per second automatically.

Is the conversion accurate for physics problems?

Yes. The tool uses exact factors (for example, 1 mph = 0.44704 m/s exactly), so results are precise enough for engineering and physics work.

Why Choose the Speed Converter?

The Speed Converter gives you precise, real-time conversions without the ad-heavy clutter of most converter sites. It runs in your browser, supports the units people actually search for, and never sends your figures anywhere.