What is 130 km/h in mph?

130 × 0.621371 = 80.78 mph. This is a common motorway speed limit in France, Germany (some roads), and other European countries.

Is 120 km/h over the speed limit in the US?

120 km/h = 74.6 mph. Most US interstate speed limits are 65–75 mph, so 120 km/h is at or just above the limit depending on the state.

KPH to MPH Converter

1 km/h = 0.621371 mph. European motorway speed of 130 km/h = 80.78 mph. 100 km/h = 62.14 mph.

Inverse conversion

1 mph = 1.60934 km/h. US highway speed of 65 mph = 104.6 km/h. City limit 30 mph = 48.3 km/h.

MPH to KPH →

Formula

mph = km/h × 0.621371

Worked example

To convert 100 km/h to mph, multiply 100 × 0.621371 = 62.14 mph.

Quick reference table

km/h	mph
10	6.213712
20	12.427424
30	18.641136
50	31.06856
60	37.282272
80	49.709695
100	62.137119
110	68.350831
120	74.564543
130	80.778255

Unit definitions

Kilometer per Hour (km/h)

Kilometers per hour (km/h) is the standard speed unit in most countries.

Mile per Hour (mph)

Miles per hour (mph) is used in the US, UK, and a small number of other countries.

Common use cases

Reading foreign speedometers
Formula 1 and motorsport speeds
Aviation airspeed reference

Meters per Second to KPH Knots to MPH

Related guides

SI vs Imperial Units: A Complete Guide

Two major unit systems divide the world: SI (the metric system) and the imperial system. Engineers, scientists, and tradespeople encounter both daily. This guide explains where each system came from, what makes them different, when each is appropriate, and which conversions matter most in practice.

Frequently asked questions

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