# Question: What Is The Smallest Length Unit?

## Which is the largest 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.

## What is the smallest and largest unit of length?

Vocabulary Language: English ▼ EnglishTermDefinitionMetric units of lengthThe metric units of length are units of measurement such as millimeter, centimeter, meter and kilometer.MillimeterA millimeter is the smallest common metric unit of length.4 more rows•Oct 30, 2012

## What is the basic unit for length?

meterLength is the measurement of the extent of something along its greatest dimension. The SI basic unit of length, or linear measure, is the meter (m). All measurements of length may be made in meters, though the prefixes listed in various tables will often be more convenient.

## What is largest unit of length?

KilometersAnswer and Explanation: Kilometers are the longest unit of metric measurement. The abbreviation for kilometers is ‘km”. Like miles, kilometers are used to measure long…

## What is SI unit of time?

The second, symbol s, is the SI unit of time. It is defined by taking the fixed numerical value of the caesium frequency Cs.

## Which is bigger 1 nm or 10 nm?

One nanometer is about 10 atoms lined up, diameter to diameter, it is also how much your fingernails grow in one second. One human hair is about 100,000 nanometers in diameter. The diameter of the head of a pin is about 1,000,000 nanometers.

## What is smaller than a Picometer?

Picometers are 1 divided by 10 12 times (1/(10^12) or 10^-12) metres. Nano is 10^-9, 1000 times larger. Below at 10^-15m you have centimetre.

## What is a Zeptosecond?

A zeptosecond is a trillionth of a billionth of a second. That’s a decimal point followed by 20 zeroes and a 1, and it looks like this: 0.000 000 000 000 000 000 001.

## What are the 7 basic 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 is the smallest meter?

nanometerA nanometer (nm) is 1,000 times smaller than a micrometer. It is equal to 1/1,000,000,000th or one-billionth of a meter. When things are this small, you can’t see them with your eyes, or a light microscope.

## What is the largest 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.

## What is the basic unit of weight?

Units of Mass (Weight) The basic unit of mass or weight in the metric system is the gram.

## Which unit is 10 times the basic unit of length?

The metric system is a base 10 system. This means that each successive unit is 10 times larger than the previous one. The names of metric units are formed by adding a prefix to the basic unit of measurement. To tell how large or small a unit is, you look at the prefix.