180 mm is equal to how many m? Prealgebra Ratios, Proportions, Units and Rates Metric System Unit Conversion 1 Answer EZ as pi Aug 15, 2016 (180mm)/1000 =0.18m Explanation: 1m = 1000mm 180mm is not big enough for 1m To change mm into m, divide by 1000. (180mm)/1000 =0.18m Answer link Related questions Which one is greater 5000cm. or 5 meters? How many yards in a mile? Why is the metric system important? What is the metric system? How do you remember the metric system? How does the metric system work? How was the metric system developed? What is the conversions of grams to mL? How many ml is in 2 liters? How do you convert 1.5 kg/L to g/mL? See all questions in Metric System Unit Conversion Impact of this question 5902 views around the world You can reuse this answer Creative Commons License