nanoseconds
length, volume, mass, weight, tempature, time, and rates
seconds
Hours Minutes Seconds
mutation rates
In itself it is none of them - it is just a number.However if some units are attached, it can be any of them:If its units are a linear measure, eg 472 m, it is a lengthIf its units are a square measure, eg 472 sq cm, it is an areaIf its units are a weight measure, eg 472 kg, it is massIf its units are a time measure, eg 472 seconds, it is timeIf its units are a temperature measure, eg 472 K, it is temperature.
You can't convert that. You can only convert units that measure the same type of thing - for example, units of length to units of length, units of mass to units of mass, units of time to units of time, etc.
Units of electricity as given on power bills are usually measured in kiloWatt hours. (kW.h) This is a kiloWatt of energy delivered for a period of an hour. It is a unit of power, and a kiloWatt is a measure of energy.
However you want: Speed is a measure of units of distance per units of time. Miles per hour or meters per second are common ones.
Time Zones
You cannot.2*pi*sqrt(l/g) is a measure of time and so the units cannot be m squared.You cannot.2*pi*sqrt(l/g) is a measure of time and so the units cannot be m squared.You cannot.2*pi*sqrt(l/g) is a measure of time and so the units cannot be m squared.You cannot.2*pi*sqrt(l/g) is a measure of time and so the units cannot be m squared.
A rate is:A comparison of two different units of measure!For example:Distance Traveled 70 Miles 2 Miles______________ = ______________ = ________=> The Time 35 Minutes 1 minuteAnswer: 2 miles: 1 minute!"You were speeding!"- TheUltimateMathGeek
We don't have enough time, or space to write it in.