Convert 17 mm to km

How to convert millimeters to kilometers

1. Formula: kilometers = millimeters × 0.000001
2. Put in the value: 17 millimeters.
3. Result: 0.000017 kilometers.

Millimeters to kilometers table

Converting the other way: kilometers to millimeters

millimeters = kilometers × 1,000,000. So 0.000017 kilometers is back to 17 millimeters; one kilometer is 1,000,000 millimeters. See the kilometers to millimeters table.

Quick estimate in your head

For a rough answer, multiply by about 0.000001: 17 × 0.000001 ≈ 0.000017 km, against the exact 0.000017 km (0.0% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A millimeter is smaller than a kilometer, so the number of kilometers must come out smaller than the number of millimeters. If your answer goes the other way, divide instead of multiplying.

About the units

Millimeter (mm) and kilometer (km) are both units of length. One millimeter equals 0.000001 kilometers, and one kilometer equals 1,000,000 millimeters. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

17 millimeters in other units

The most readable unit for this amount is centimeters (1.7).

• 1.7 cm
• 0.017 m
• 0.000017 km
• 0.66929134 in
• 0.05577428 ft
• 0.01859143 yd
• 0.00001056 mi
• 0.00000918 nmi
• 0.00929571 fm
• 17,000 um