So, Earth travels about 1.6 million miles (2.6 million km) a day, or 66,627 mph (107,226 km/h). Related: How fast does light travel? How do the sun and galaxy move? The sun has an orbit of its own ...

The table below shows some common conversions. Unit Conversion Example mph to km/h 1 mile = 1.6 km. Multiply by 1.6 to change mph into km/h. A car travels at 30 mph. In kilometres per hour this is ...