What is the abbreviation for mega meter?

Answer 1

There is no abbreviation for metric, but there are "metric symbols".

Here are the SI Basic Units:

We use 7 SI Basic Units. They are:

Quantity, Name, and Metric Symbol

length meter m

mass kilogram kg

time second s

electric current Ampere A

thermo dynamic temperature Kelvin K

amount of substance mole mol

luminous intensity candela CD

Answer 2

Nm or N-m is the abbreviation for Newton meter.

Answer 3

Mm