EVERYDAY
Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.00000001 km²1 dm² = 0.00000001 km²
EVERYDAY · ENGINEERING · SCIENCE
dm² to km² Converter
Convert square decimetre (dm²) to square kilometre (km²). Enter a value for an instant result, or use the examples and reverse conversion below.
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HOW IT IS CALCULATED
Convert through square metre
Enter a square decimetre value to calculate square kilometre with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| square micrometrefrom dm² | µm² | 10000000000 |
| square millimetrefrom dm² | mm² | 10000 |
| square centimetrefrom dm² | cm² | 100 |
| square decimetrefrom dm² | dm² | 1 |
| square metrefrom dm² | m² | 0.01 |
| arefrom dm² | a | 0.0001 |
| hectarefrom dm² | ha | 0.000001 |
| square kilometrefrom dm² | km² | 0.00000001 |
| square inchfrom dm² | in² | 15.5 |
| square footfrom dm² | ft² | 0.107639 |
| square yardfrom dm² | yd² | 0.0119599 |
| acrefrom dm² | acre | 0.00000247105 |
| square milefrom dm² | mi² | 0.00000000386102 |
| barnfrom dm² | b | 1e26 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
dm² to km² Conversion Reference
Square Decimetre (dm²) and square kilometre (km²) are units of area. Use this page to convert in either direction.
Conversion Examples
| Square Decimetre (dm²) | Square Kilometre (km²) |
|---|---|
| 1 dm² | 0.00000001 km² |
| 5 dm² | 0.00000005 km² |
| 10 dm² | 0.0000001 km² |
| 100 dm² | 0.000001 km² |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
km² to dm² (square kilometre to square decimetre)
Related Area Conversions
dm² to µm² (square decimetre to square micrometre)dm² to mm² (square decimetre to square millimetre)dm² to cm² (square decimetre to square centimetre)dm² to m² (square decimetre to square metre)dm² to a (square decimetre to are)dm² to ha (square decimetre to hectare)dm² to in² (square decimetre to square inch)dm² to ft² (square decimetre to square foot)dm² to yd² (square decimetre to square yard)dm² to acre (square decimetre to acre)dm² to mi² (square decimetre to square mile)dm² to b (square decimetre to barn)