 # Which Is Highest Unit?

## Is PG smaller than Ng?

1 Nanogram is exactly 0.000000000001 kilograms (SI unit).

As per the prefix nano it is a billionth of a gram; a gram is a thousandth of a kilogram.

1 ng = 0.000000000001 kg.

1 pg = 0.000000000000001 kg..

## What is SI unit length?

The metre, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299 792 458 when expressed in the unit m s–1, where the second is defined in terms of the caesium frequency Cs.

## What SI unit means?

The SI base units are the standard units of measurement defined by the International System of Units (SI) for the seven base quantities of what is now known as the International System of Quantities: they are notably a basic set from which all other SI units can be derived.

## How long is a jiffy?

In astrophysics and quantum physics a jiffy is, as defined by Edward R. Harrison, the time it takes for light to travel one fermi, which is approximately the size of a nucleon. One fermi is 10−15 m, so a jiffy is about 3 × 10−24 seconds.

## What is the longest unit of time?

supereonThe largest unit is the supereon, composed of eons. Eons are divided into eras, which are in turn divided into periods, epochs and ages.

## Which is bigger G or NG?

Nanogram is a metric unit of mass. It is equal to 0.000000000001 gram, or one millionth of a milligram. Plural name is nanograms….Other Units to Nanogram.Unit to Other UnitWeight ConversionWeight Table1 g = 1000000000 nggrams to nanogramsgrams to nanograms table33 more rows

## What is the smallest unit of weight?

ounceAn ounce is the smallest unit of weight.

## What is 100th of a gram called?

centigram. cg. A hundredth of a gram in the metric system.

## What is the highest unit of weight?

Mass (weight) Units1 gigatonne(Gt)=1 000 000 000 000 000 g1 megatonne(Mt)=1 000 000 000 000 g1 tonne(t)=1 000 000 g1 kilogram(kg)=1 000 g1 gram(g)=1 g4 more rows

## Which unit is the smallest?

millimetersA millimeter is the smallest unit. Millimeters are most useful when measuring really tiny things. You can find millimeters on some rulers. A centimeter is the next smallest unit.

## What is SI unit of weight?

The SI unit of weight is the same as that of force: the newton (N) – a derived unit which can also be expressed in SI base units as kg⋅m/s2 (kilograms times metres per second squared).

## What are the 7 basic SI units?

The seven SI base units, which are comprised of:Length – meter (m)Time – second (s)Amount of substance – mole (mole)Electric current – ampere (A)Temperature – kelvin (K)Luminous intensity – candela (cd)Mass – kilogram (kg)

## What’s faster than a Yoctosecond?

An attosecond is 10^-18 seconds, then there are zeptoseconds which are 10^-21 seconds, and yuctoseconds are 10^-24 seconds.