10^3=10^6 mm

10^-3=10^3 mg
1 mg=10^-4 g
1 km=10^5 mm
1 mL=10^-3 dm^3

1 answer

1 day = 24 hours = 1440 minutes = 86,400 seconds
1 pound (lb) = 16 ounces (oz)
1 ton = 2000 pounds
1 gallon (gal) = 128 fluid ounces (fl oz)
1 liter (L) = 1000 milliliters (mL)
1 meter (m) = 100 centimeters (cm) = 1000 millimeters (mm)