42 Square Millimeters to Square Kilometers
Instantly convert 42 Square Millimeters to Square Kilometers. Free online converter.
42 Square Millimeters = 0.000000000042 Square Kilometers
42 mm² = 0.000000000042 km²
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How to Convert 42 Square Millimeters to Square Kilometers
1
Know the conversion factor
1 Square Millimeter equals 0.000000000001 Square Kilometers.
2
Multiply your value
Take your value (42) and multiply it by 0.000000000001.
42 × 0.0000000000013
Get your result
The result is 0.000000000042 Square Kilometers.
42 mm² = 0.000000000042 km²Frequently Asked Questions
How many Square Kilometers is 42 Square Millimeters?
42 Square Millimeters is equal to 0.000000000042 Square Kilometers.
How do I convert 42 Square Millimeters to Square Kilometers?
To convert Square Millimeters to Square Kilometers, multiply the value by 0.000000000001. So, 42 mm² × 0.000000000001 = 0.000000000042 km².
What is the formula to convert Square Millimeters to Square Kilometers?
The formula is: km² = mm² × 0.000000000001. For example, 42 mm² = 0.000000000042 km².
How many Square Millimeters is 0.000000000042 Square Kilometers?
0.000000000042 Square Kilometers is equal to 42 Square Millimeters. This is the reverse conversion.
About These Units
Quick Facts
Conversion Formula
km² = mm² × 0.000000000001
Reverse Conversion
0.000000000042 Square Kilometers = 42 Square Millimeters
Square Kilometers to Square Millimeters →