# Convert 680 km to cm

In this article I will show you how to convert 680 kilometers into centimeters. Throughout the explanation below I might also call it 680 km to cm. They are the same thing!

## How to Convert Kilometers to Centimeters

A kilometer is greater than a centimeter. I know that a km is greater than a cm because of something called conversion factors.

Put very simply, a conversion factor is a number that can be used to change one set of units to another, by multiplying or dividing it. So when we need to convert 680 kilometers into centimeters, we use a conversion factor to get the answer.

The conversion factor for km to cm is:

1 km = 100000 cm

Now that we know what the conversion factor is, we can easily calculate the conversion of 680 km to cm by multiplying `100000` by the number of kilometers we have, which is 680.

680 x 100000 = 68000000 cm

So, the answer to the question "what is 680 kilometers in centimeters?" is 68000000 cm.

## Kilometers to Centimeters Conversion Table

Below is a sample conversion table for km to cm:

Kilometers (km) Centimeters (cm)
0.011000
0.110000
1100000
2200000
3300000
5500000
101000000
202000000
505000000
10010000000
1000100000000

## Best Conversion Unit for 680 km

Sometimes when you work with conversions from one unit to another, the numbers can get a little confusing. Especially when dealing with really large numbers.

I've also calculated what the best unit of measurement is for 680 km.

To determine which unit is best, I decided to define that as being the unit of measurement which is as low as possible, without going below 1. Smaller numbers are more easily understood and can make it easier for you to understand the measurement.

The best unit of measurement I have found for 680 km is nautical miles and the amount is 367.17062634989 nmi.