mph to km/h Converter
Convert miles per hour to km/h instantly — 1 mph = 1.60934 km/h
60 mph =
96.56 km/h
Related calculators
All utility & math- Unit ConverterConvert length, weight, temperature, volume, area, speed, and time units
- kg to lbs ConverterConvert kilograms to pounds and back — 1 kg = 2.20462 lbs
- Stone to Pounds ConverterConvert stone to pounds and back — 1 stone = 14 lbs
- Pounds to Ounces ConverterConvert pounds to ounces and back — 1 lb = 16 oz
- Grams to Ounces ConverterConvert grams to ounces and back — 1 oz = 28.3495 g
- cm to Inches ConverterConvert centimeters to inches and back — 1 cm = 0.3937 in
Quick summary
To convert mph to km/h, multiply by 1.60934. So 30 mph ≈ 48.28 km/h, 60 mph ≈ 96.56 km/h, and 70 mph ≈ 112.65 km/h. To convert km/h to mph, divide by 1.60934. Use swap to reverse. Handy for driving abroad and reading speed limits.
Reviewed by Simple Calculators TeamLast reviewed
How to use this calculator
- Enter the inputs requested by the calculator.
- Choose the units or options that match your situation and review the assumptions.
- Run or update the calculation to see the result.
- Review the result, breakdown, and formulas shown on the page.
- Check the inputs, units, dates, and limitations before saving or sharing the result.
Frequently asked questions
How do I convert mph to km/h?
Multiply the miles per hour by 1.60934, the number of kilometers in a mile. For example, 50 mph × 1.60934 = 80.47 km/h. To convert km/h to mph, divide by 1.60934.
What is 60 mph in km/h?
60 mph is about 96.56 km/h. Common speed-limit conversions like this are why the tool includes a reference table of typical speeds.
What is 100 km/h in mph?
100 km/h is about 62.14 mph. Swap the converter to go from km/h to mph — useful when driving in a metric country and reading limits in km/h.
Is mph or km/h faster?
Neither is inherently faster — they're just different units. But the same number is a higher speed in mph: 100 mph (161 km/h) is much faster than 100 km/h (62 mph).
Key terms
- mph
- Miles per hour — the US/UK speed unit.
- km/h
- Kilometers per hour — the metric speed unit.
- Conversion Factor
- Multiply mph by 1.60934 to get km/h.
Methodology, sources & limitations
This page shows the formula, assumptions, and limitations used for this estimate. Rates, thresholds, and other time-sensitive inputs can change, so verify them against the relevant official source before relying on a result.
For our review approach and the primary sources we consult, see the methodology and source policy. If you spot an outdated figure or formula, please contact us with a correction.