Kilometers to Meters Converter

Length conversion · Updated 2026-10-04

Converting kilometers to meters is a multiplication by a fixed factor: 1 km = 1000 m. The table below covers the values people look up most often, and the formula section shows exactly where that factor comes from.

Because one kilometer works out to 1000 m, the meter is the much larger unit of the two: a figure given in meter always carries a larger number than the same measurement in kilometer. A chart drawn in km can hide that, so check which label the axis uses before you compare two readings.

Technical documentation is the other common source — a datasheet drawn up in kilometers often has to be re-expressed in meters for a supplier or a regulator who works in the other system.

The conversion factor used here is 1000 m per kilometer (0 significant digits as shown). Kept to seven figures it covers professional measurement; if you round it to two or three decimals for a spreadsheet, the error scales with the input — at a value of 1,000 km a factor rounded to three decimals can be off by a measurable amount. The reverse direction uses 0.001 km per m, the exact reciprocal, so a round trip through both pages returns your original number.

Kilometers to Meters formula

Use this formula to convert any kilometer value to meters:

m = km × 1000

Worked example: 100 km × 1000 = 100000 m.

Kilometers to Meters conversion table

Kilometers (km)Meters (m)
0.5 km500 m
1 km1000 m
2 km2000 m
5 km5000 m
10 km10000 m
20 km20000 m
50 km50000 m
100 km100000 m
500 km500000 m
1000 km1000000 m

How to convert kilometers to meters

Multiply the kilometer value by 1000 to get the equivalent in meters. This single factor works for every value in the table above and for anything else you need — there is no per-value adjustment, which is why a conversion table and a calculator always agree.

If you need the opposite direction, use the Meters to Kilometers converter instead of dividing by hand; both pages use the same source factors. For every other km conversion in one place, see the km conversion hub.

Frequently asked questions

How many meters are in 1 kilometer?
1 kilometer = 1000 m.

What is 100 kilometers in meters?
100 km = 100000 m.

Is converting kilometers to meters the same as meters to kilometers?
No — the direction changes the multiplier. The reverse conversion (1 m = 0.001 km) is on the Meters to Kilometers page.

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Try the ConvBolt Unit Converter for any other length unit, browse the Length conversions, or read our conversion guides.