Speed Converter

Convert among m/s, km/h, miles per hour (mph), feet per second (ft/s), and knots (kn).

Speed
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Related Conversions
5 km/h to mph 10 km/h to mph 30 km/h to mph 50 km/h to mph 60 km/h to mph 90 km/h to mph 100 km/h to mph 110 km/h to mph 120 km/h to mph 130 km/h to mph 140 km/h to mph 200 km/h to mph
Reverse Conversions
10 mph to km/h 20 mph to km/h 25 mph to km/h 35 mph to km/h 40 mph to km/h 45 mph to km/h 55 mph to km/h 65 mph to km/h 75 mph to km/h 90 mph to km/h 120 mph to km/h 150 mph to km/h
More Speed Conversions
10 kn to km/h 20 kn to mph 50 kn to km/h 70 mph to km/h 75 m/s to km/h 80 km/h to mph 80 mph to km/h 100 kn to mph 100 m/s to km/h 120 km/h to kn 250 km/h to mph 340.29 m/s to km/h

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Popular Conversions

Miles Per Hour to Kilometers Per Hour Kilometers Per Hour to Miles Per Hour Meters Per Second to Kilometers Per Hour Kilometers Per Hour to Meters Per Second Knots to Miles Per Hour Miles Per Hour to Meters Per Second

Common Benchmarks

Sound in air 767 mph
City bus 25 mph
Bicycle speed 15 mph
Highway speed 65 mph
Escalator speed 0.5 mph
Commercial jet 550 mph

Frequently Asked Questions

How many km/h is 60 mph?

60 miles per hour equals 96.56 kilometers per hour.

What is the formula to convert mph to km/h?

Multiply miles per hour by 1.60934 to get kilometers per hour.

How do you convert km/h to mph?

Divide kilometers per hour by 1.60934 to get miles per hour.

How many km/h is 100 mph?

100 mph equals 160.93 km/h.

Why does the US use mph?

The United States uses the imperial system for road speeds, while many countries use kilometers per hour.

Can I convert mph, km/h, m/s, and knots here?

Yes. This converter supports several common speed units including mph, km/h, meters per second, and knots.

How can I estimate mph to km/h mentally?

Multiply by about 1.6 for a quick estimate from mph to km/h.

What speed unit is used in aviation and navigation?

Knots are commonly used in aviation and marine navigation.

How many m/s is 1 km/h?

1 km/h is about 0.27778 meters per second (m/s).

How do you convert mph to knots?

Multiply mph by about 0.868976 to get knots (kn).

About Speed

Speed measures distance traveled over time and is used in transportation, sports, aviation, and engineering.

Use speed conversion for route planning, race pacing, wind analysis, and machine performance metrics across industries.

Supported units
m/s • km/h • mph • ft/s • kn