All Unit Conversions

km/h to mph Conversion Chart

Quick Answer

1 km/h = 0.621371 mph

Formula: Mile per Hour = Kilometer per Hour x 0.621371

Formula verifiedLive calculation
To (Mile per Hour)
0.621371mph

Quick values

Standards and method

Values are calculated from the shared conversion-factor library. Exact defined relationships are preserved; displayed results are rounded only for readability.

Maintained by Miguel Coelho. Updated . See our editorial policy.

Preview of the printable km/h to mph Conversion Chart

Printable km/h to mph conversion chart

Kilometres per hour to miles per hour, metres per second and knots. Includes the exact definition, formulas, a worked example and sources. Conversion values are checked against the defining constants, and reference data is cited to its source, before the PDF is published.

Free to print, share and use in teaching materials with attribution (CC BY 4.0).

Download A4 PDFDownload US Letter PDF
Download the km/h to mph conversion chart PDFDownload this chart as CSVDownload this chart as JSONOpen the full km/h to mph converter →

km/h to mph Conversion Table

Kilometer per Hour to Mile per Hour conversion reference values
Kilometer per Hour (km/h)Mile per Hour (mph)
10 km/h6.21371 mph
20 km/h12.4274 mph
30 km/h18.6411 mph
40 km/h24.8548 mph
50 km/h31.0686 mph
60 km/h37.2823 mph
70 km/h43.496 mph
80 km/h49.7097 mph
90 km/h55.9234 mph
100 km/h62.1371 mph
110 km/h68.3508 mph
120 km/h74.5645 mph
130 km/h80.7783 mph
140 km/h86.992 mph
150 km/h93.2057 mph
160 km/h99.4194 mph
200 km/h124.274 mph
250 km/h155.343 mph
300 km/h186.411 mph

Values are calculated from the shared conversion-factor library. Exact defined relationships are preserved; displayed results are rounded only for readability.

Full km/h to mph conversion chart

Kilometres per hour to miles per hour, metres per second and knots. These are the same tables as the printable PDF. For: Drivers, cyclists, runners and travellers.

Exact definition
1 mph = 1.609 344 km/h exactly
Formula
mph = km/h ÷ 1.609 344
Reverse
km/h = mph × 1.609 344
Worked example
120 km/h ÷ 1.609344 = 74.6 mph
Rounding
mph is rounded to 1 decimal place.

5 to 300 km/h

5 to 300 km/h (part 1)
Kilometres per hour (km/h)Miles per hour (mph)
53.1
106.2
159.3
2012.4
2515.5
3018.6
3521.7
4024.9
4528.0
5031.1
5534.2
6037.3
6540.4
7043.5
7546.6
8049.7
8552.8
9055.9
9559.0
10062.1
5 to 300 km/h (part 2)
Kilometres per hour (km/h)Miles per hour (mph)
10565.2
11068.4
11571.5
12074.6
12577.7
13080.8
13583.9
14087.0
14590.1
15093.2
15596.3
16099.4
165102.5
170105.6
175108.7
180111.8
185115.0
190118.1
195121.2
200124.3
5 to 300 km/h (part 3)
Kilometres per hour (km/h)Miles per hour (mph)
205127.4
210130.5
215133.6
220136.7
225139.8
230142.9
235146.0
240149.1
245152.2
250155.3
255158.4
260161.6
265164.7
270167.8
275170.9
280174.0
285177.1
290180.2
295183.3
300186.4

km/h to m/s and knots

km/h to m/s and knots (part 1)
Kilometres per hour (km/h)Metres per second (m/s)Knots (kn)
102.785.40
205.5610.80
308.3316.20
4011.1121.60
5013.8927.00
6016.6732.40
7019.4437.80
8022.2243.20
km/h to m/s and knots (part 2)
Kilometres per hour (km/h)Metres per second (m/s)Knots (kn)
9025.0048.60
10027.7854.00
11030.5659.40
12033.3364.79
13036.1170.19
14038.8975.59
15041.6780.99

Sources for this chart

Conversion values on this sheet are generated by the AllUnitConversions conversion library and automatically checked against the exact definitions above before the PDF is produced; reference tables are taken from the sources listed.

  • International Yard and Pound Agreement (1959) — 1 in = 25.4 mm, 1 ft = 0.3048 m, 1 lb = 0.453 592 37 kg exactly
  • NIST Special Publication 811 — Guide for the Use of the International System of Units

Related Converters & Charts

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<figure style="margin:0;max-width:560px">
  <a href="https://allunitconversions.com/kph-to-mph-conversion-chart"><img src="https://allunitconversions.com/images/charts/kph-to-mph-conversion-chart.png" alt="km/h to mph Conversion Chart (printable)" width="560" height="792" loading="lazy" style="width:100%;height:auto;border:1px solid #e2e8f0"></a>
  <figcaption style="font-size:13px;line-height:1.4"><a href="https://allunitconversions.com/kph-to-mph-conversion-chart">km/h to mph Conversion Chart</a> by Miguel Coelho, All Unit Conversions (free to share, CC BY 4.0)</figcaption>
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<a href="https://allunitconversions.com/kph-to-mph-conversion-chart">km/h to mph Conversion Chart</a> (All Unit Conversions)

Cite it

Suggested citation for reports, coursework and slides.

Coelho, M. (2026). km/h to mph Conversion Chart (Edition 2.0). All Unit Conversions. https://allunitconversions.com/kph-to-mph-conversion-chart

km/h to mph Conversion Chart FAQs

Common questions about the km/h to mph conversion chart.

How do you convert kilometer per hour to mile per hour?

Multiply the number of kilometer per hour by 0.621371. For example, 1 km/h = 0.621371 mph. The chart above lists the most common values.

What is 1 km/h in mile per hour?

1 km/h equals 0.621371 mph. See the full reference table above for more values, or download the printable PDF.

What exact definition is this km/h to mph chart based on?

1 mph = 1.609 344 km/h exactly. Formula: mph = km/h ÷ 1.609 344. mph is rounded to 1 decimal place.

Can I download this chart as a PDF, CSV, or JSON?

Yes. Use the Download A4 PDF or US Letter PDF buttons for a printable version, or download the same tables as CSV or JSON from the links on this page.