mph to km/h Conversion Chart
Quick Answer
1 mph = 1.60934 km/h
Formula: Kilometer per Hour = Mile per Hour x 1.60934
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.
Printable mph to km/h conversion chart
Miles per hour to kilometres per hour, m/s 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).
mph to km/h Conversion Table
| Mile per Hour (mph) | Kilometer per Hour (km/h) |
|---|---|
| 5 mph | 8.04672 km/h |
| 10 mph | 16.0934 km/h |
| 15 mph | 24.1402 km/h |
| 20 mph | 32.1869 km/h |
| 25 mph | 40.2336 km/h |
| 30 mph | 48.2803 km/h |
| 35 mph | 56.327 km/h |
| 40 mph | 64.3738 km/h |
| 45 mph | 72.4205 km/h |
| 50 mph | 80.4672 km/h |
| 55 mph | 88.5139 km/h |
| 60 mph | 96.5606 km/h |
| 65 mph | 104.607 km/h |
| 70 mph | 112.654 km/h |
| 75 mph | 120.701 km/h |
| 80 mph | 128.748 km/h |
| 90 mph | 144.841 km/h |
| 100 mph | 160.934 km/h |
| 120 mph | 193.121 km/h |
| 150 mph | 241.402 km/h |
Values are calculated from the shared conversion-factor library. Exact defined relationships are preserved; displayed results are rounded only for readability.
Full mph to km/h conversion chart
Miles per hour to kilometres per hour, m/s 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
- km/h = mph × 1.609 344
- Reverse
- mph = km/h ÷ 1.609 344
- Worked example
- 70 mph × 1.609344 = 112.7 km/h
- Rounding
- km/h is rounded to 1 decimal place.
1 to 100 mph
| Miles per hour (mph) | Kilometres per hour (km/h) |
|---|---|
| 1 | 1.6 |
| 2 | 3.2 |
| 3 | 4.8 |
| 4 | 6.4 |
| 5 | 8.0 |
| 6 | 9.7 |
| 7 | 11.3 |
| 8 | 12.9 |
| 9 | 14.5 |
| 10 | 16.1 |
| 11 | 17.7 |
| 12 | 19.3 |
| 13 | 20.9 |
| 14 | 22.5 |
| 15 | 24.1 |
| 16 | 25.7 |
| 17 | 27.4 |
| 18 | 29.0 |
| 19 | 30.6 |
| 20 | 32.2 |
| 21 | 33.8 |
| 22 | 35.4 |
| 23 | 37.0 |
| 24 | 38.6 |
| 25 | 40.2 |
| 26 | 41.8 |
| 27 | 43.5 |
| 28 | 45.1 |
| 29 | 46.7 |
| 30 | 48.3 |
| 31 | 49.9 |
| 32 | 51.5 |
| 33 | 53.1 |
| 34 | 54.7 |
| Miles per hour (mph) | Kilometres per hour (km/h) |
|---|---|
| 35 | 56.3 |
| 36 | 57.9 |
| 37 | 59.5 |
| 38 | 61.2 |
| 39 | 62.8 |
| 40 | 64.4 |
| 41 | 66.0 |
| 42 | 67.6 |
| 43 | 69.2 |
| 44 | 70.8 |
| 45 | 72.4 |
| 46 | 74.0 |
| 47 | 75.6 |
| 48 | 77.2 |
| 49 | 78.9 |
| 50 | 80.5 |
| 51 | 82.1 |
| 52 | 83.7 |
| 53 | 85.3 |
| 54 | 86.9 |
| 55 | 88.5 |
| 56 | 90.1 |
| 57 | 91.7 |
| 58 | 93.3 |
| 59 | 95.0 |
| 60 | 96.6 |
| 61 | 98.2 |
| 62 | 99.8 |
| 63 | 101.4 |
| 64 | 103.0 |
| 65 | 104.6 |
| 66 | 106.2 |
| 67 | 107.8 |
| 68 | 109.4 |
| Miles per hour (mph) | Kilometres per hour (km/h) |
|---|---|
| 69 | 111.0 |
| 70 | 112.7 |
| 71 | 114.3 |
| 72 | 115.9 |
| 73 | 117.5 |
| 74 | 119.1 |
| 75 | 120.7 |
| 76 | 122.3 |
| 77 | 123.9 |
| 78 | 125.5 |
| 79 | 127.1 |
| 80 | 128.7 |
| 81 | 130.4 |
| 82 | 132.0 |
| 83 | 133.6 |
| 84 | 135.2 |
| 85 | 136.8 |
| 86 | 138.4 |
| 87 | 140.0 |
| 88 | 141.6 |
| 89 | 143.2 |
| 90 | 144.8 |
| 91 | 146.5 |
| 92 | 148.1 |
| 93 | 149.7 |
| 94 | 151.3 |
| 95 | 152.9 |
| 96 | 154.5 |
| 97 | 156.1 |
| 98 | 157.7 |
| 99 | 159.3 |
| 100 | 160.9 |
105 to 250 mph
| Miles per hour (mph) | Kilometres per hour (km/h) | Metres per second (m/s) | Knots (kn) |
|---|---|---|---|
| 105 | 169.0 | 46.94 | 91.2 |
| 110 | 177.0 | 49.17 | 95.6 |
| 115 | 185.1 | 51.41 | 99.9 |
| 120 | 193.1 | 53.64 | 104.3 |
| 125 | 201.2 | 55.88 | 108.6 |
| 130 | 209.2 | 58.12 | 113.0 |
| 135 | 217.3 | 60.35 | 117.3 |
| 140 | 225.3 | 62.59 | 121.7 |
| 145 | 233.4 | 64.82 | 126.0 |
| 150 | 241.4 | 67.06 | 130.3 |
| 155 | 249.4 | 69.29 | 134.7 |
| 160 | 257.5 | 71.53 | 139.0 |
| 165 | 265.5 | 73.76 | 143.4 |
| 170 | 273.6 | 76.00 | 147.7 |
| 175 | 281.6 | 78.23 | 152.1 |
| Miles per hour (mph) | Kilometres per hour (km/h) | Metres per second (m/s) | Knots (kn) |
|---|---|---|---|
| 180 | 289.7 | 80.47 | 156.4 |
| 185 | 297.7 | 82.70 | 160.8 |
| 190 | 305.8 | 84.94 | 165.1 |
| 195 | 313.8 | 87.17 | 169.5 |
| 200 | 321.9 | 89.41 | 173.8 |
| 205 | 329.9 | 91.64 | 178.1 |
| 210 | 338.0 | 93.88 | 182.5 |
| 215 | 346.0 | 96.11 | 186.8 |
| 220 | 354.1 | 98.35 | 191.2 |
| 225 | 362.1 | 100.58 | 195.5 |
| 230 | 370.1 | 102.82 | 199.9 |
| 235 | 378.2 | 105.05 | 204.2 |
| 240 | 386.2 | 107.29 | 208.6 |
| 245 | 394.3 | 109.52 | 212.9 |
| 250 | 402.3 | 111.76 | 217.2 |
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
mph to km/h Conversion Chart FAQs
Common questions about the mph to km/h conversion chart.
How do you convert mile per hour to kilometer per hour?
Multiply the number of mile per hour by 1.60934. For example, 1 mph = 1.60934 km/h. The chart above lists the most common values.
What is 1 mph in kilometer per hour?
1 mph equals 1.60934 km/h. See the full reference table above for more values, or download the printable PDF.
What exact definition is this mph to km/h chart based on?
1 mph = 1.609 344 km/h exactly. Formula: km/h = mph × 1.609 344. km/h 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.