80 mph to km/h
80 mph = 128.75 km/h
80 miles per hour is equal to 128.7475 kilometers per hour. That's motorway or interstate cruising speed. Change the number below to convert any other speed.
Formula: km/h = mph × 1.609344
How to convert 80 mph to km/h
One mile per hour equals 1.609344 kilometers per hour. Multiply the speed in mph by this factor:
km/h = mph × 1.609344
80 × 1.609344 = 128.75 km/h
Quick estimate in your head: multiply by 1.6. 80 × 1.6 ≈ 128 km/h. Or add 60%: 80 + 48 = 128.
80 mph in other units
| Unit | Value |
|---|---|
| Miles per hour | 80 mph |
| Kilometers per hour | 128.75 km/h |
| Meters per second | 35.76 m/s |
| Knots | 69.52 kn |
| Feet per second | 117.33 ft/s |
How fast is 80 mph?
80 mph — 129 km/h — is motorway or interstate cruising speed. For comparison, 80 mph is:
- about the same as the motorway limit in France and Italy, and the advisory Autobahn speed in Germany — 130 km/h (81 mph)
- 6% slower than the highest posted limit in the US (Texas State Highway 130) (85 mph)
- 7% faster than the interstate limit in many western US states (75 mph)
As a wind speed, 80 mph is Force 12 — hurricane force on the Beaufort scale , and as sustained hurricane winds it would be a Category 1 hurricane on the Saffir–Simpson scale.
At 80 mph you cover about 1.33 miles every minute and 35.8 meters every second.
| Distance | Time at 80 mph |
|---|---|
| 1 kilometer | 28 s |
| 1 mile | 45 s |
| 10 kilometers | 4 min 40 s |
| 100 kilometers | 47 min |
| 100 miles | 1 h 15 min |
mph to km/h table near 80 mph
| miles per hour | kilometers per hour |
|---|---|
| 75 mph | 120.7 km/h |
| 76 mph | 122.31 km/h |
| 77 mph | 123.92 km/h |
| 78 mph | 125.53 km/h |
| 79 mph | 127.14 km/h |
| 80 mph | 128.75 km/h |
| 81 mph | 130.36 km/h |
| 82 mph | 131.97 km/h |
| 83 mph | 133.58 km/h |
| 84 mph | 135.18 km/h |
| 85 mph | 136.79 km/h |
Need the full chart? See the mph to km/h conversion table.
Frequently asked questions
How many km/h is 80 mph?
80 mph is 128.75 km/h (128.7475 kilometers per hour, rounded to four decimals). To get it, multiply 80 by 1.609344.
Is 80 mph fast?
80 mph (129 km/h) is motorway or interstate cruising speed. It is about the same as the motorway limit in France and Italy, and the advisory Autobahn speed in Germany — 130 km/h (81 mph).
How long does it take to drive 100 miles at 80 mph?
At a constant 80 mph, 100 miles takes 1 h 15 min. Real trips take longer because of stops, traffic and speed changes.
What is 80 mph in meters per second?
80 mph equals 35.76 m/s. Every second you travel about 35.8 meters (117 feet).
More mph to km/h conversions
- 55 mph to km/h
- 60 mph to km/h
- 65 mph to km/h
- 70 mph to km/h
- 75 mph to km/h
- 90 mph to km/h
- 100 mph to km/h
- 110 mph to km/h
- 120 mph to km/h
- 130 mph to km/h
Want to know how fast you're going right now? Open the GPS speedometer.