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Metric System

The metric system is an international basis of measurement based on a decimal system. It uses standard base units to name larger and smaller units.

2,771 Questions

What is the four units in the metric system?

The four standard base units of the metric system are liter for liquid measurement, meter for length, gram for weight, and degrees (celsius) for temperature.

Less commonly noted are amperes for electric current, candalas for measuring light intensity, or even seconds for time.

All of these base units can be divided or grouped based on the latin prefix before them;

Milli-, centi-, deci-, [Base Unit], deca-, mega-, kilo-, etc.

These prefixes are based on a base-10 system to keep things simple. Moving one direction up the 'ladder' (torwards milli-), you divide the unit above it by ten to get that unit's percentage of the base. The other way, it is the opposite - multiplied by ten. So, where a milligram is 1/1000th of a gram, a kilogram is 1,000 grams.

Answer

There are seven (not four!) base units in the modern metric system (SI)L meter for length/distance, also area and volume. kilogram for mass second for time ampere or electrical current kelvin for temperature, and the derived unit degrees Celsius. mole for amount of substance candela for luminous intensity

How many gallons there are in 1 metric ton of IFO 380 oil?

281 US gallons are in in 1 tonne of IFO 380.

IFO 380 has a typical density of 0.94 kg/l at 15°C

The reciprocal of 0.94 (1/0.94) is 1.064

so now we can ask google to convert litres per kilogram to gallons per tonne by forming a query like this: "1.064 liters per kilogram in gallons per tonne"

What is the mesurements are used in the metric system?

The metric system primarily uses the meter for length, the gram for mass, and the liter for volume. Other common units include the kilogram for mass, the kilometer for longer distances, and the milliliter for smaller volumes.

What is volume measure in the metric system?

Volume is measured in the metric system using liters (L) or milliliters (mL). One liter is equal to 1000 milliliters.

Convert kg to g?

1 kilogram = 1000 grams

1 gram = 0.001 kilogram

What is the difference between the metric system and the us long measure?

Many. The American system is very similar to the Imperial (British) system on which it was based, though some of the units such as the Ton and gallon differ in size.

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The main point about those is that the various units are not mutually consistent, and their subdivisions / multiples are not all consistent with themselves.

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1 Statute Mile = 1760 yards, 1 yard = 3 feet, 1 foot = 12 inches. And so on. In engineering the Inch is divided in binary fractions (half, quarter, etc) or decimals to 1, 2 or 3 decimal places as required. So 0.001 inch is a thousandth of an inch, generally called a "thou" in machine-shop conversation.

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The Metric System, and especially its rather peculiar ISO descendant, is entirely decimal in its scales. It was the first system to be based on artificial rather than old trade, units, although nods towards them in basic form. It was invented in France to overcome a bewildering plethora of regional units. The metre was based on a fraction of the Earth's polar circumference as closely as that could be determined at the time, and is a little over a yard in length. (I don't know why they didn't base it on sub-dividing the Nautical Mile, which is calculated from angles of longitude.)

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All metric units are expressed in powers of ten described by symbols: M[ega] for Million, m[illi] for one-thousandth, etc.

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The Systeme International (SI) scale used for international trade and science, took the original metric system, kept the kilometre, second of time, kilogramme and metre, added the volt, ampere and I think the Joule (energy) and radian (angle), and composed a collection of compound units based on them. (I use the proper spellings throughout - they are French words.)

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The point is that you can combine selections from these 6 fundamental units to make any other compound unit to suit the technical field in which you are working. This works because physically, 'work' is a transfer or conversion of energy; and energy itself, which is immutable whatever its form, can be measured in a single unit, the Joule (J).

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One oddity is that SI is unlike any other system, in which the compound units are self-explanatory multiples or divisions of the fundamental units with each other, facilitating dimensional analysis (algebraic analysis of formulae to determine and verify correct dimensions). SI named the compound dimensions after scientists instead, so for example the standard Pascal (Pa) for pressure is 1Newton/square metre.

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Another problem is that many of the Si units are not very practical for everyday use, and the bizarre situation in the UK is that schools teach the Metre and centimetre as the main length units whereas the millimetre (again these are the correct, French spellings - a "meter" is a measuring device) is actually the officially-approved division and with a few exceptions, only the m and mm are used in science and engineering. Used to both systems, I find I have to convert cm to mm to gain an idea of a quoted length - then often translate to approximate inch equivalents! (10cm = 100mm = approx. 4")

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The ISO has recognised that the SI system is fine for physicists and engineers but always very useful for ordinary practical use, so reluctantly accepts use of the Bar (= 100 000Pa = 1 atmosphere, of pressure, though the pedants say not very accurately!) and the Degree for angles.

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The Pascal is a ridiculously tiny pressure, useful in a practical sense really only for very fine physics experiments, but consistent with the fundamental kg and metre. Yet it's too big for acoustics: the minimum sound pressure our ears can detect is a mere 20 micro-Pa (20 one-hundred-thousand- millionths of atmospheric pressure!). That is used as the reference-level for the dimensionless logarithmic ratio of the decibel, so the faintest whisper to us is 0deciBels re 20µPa on the scale used for sound measurements in air.

The Radian = the angle subtending an arc of a circle of arc length = radius. it's about 57degrees, and 2*pi Radians = 360 degrees. Got that? There will be a test later. The radian (rad) is useless for dividing circles equally, but 360 has so many very useful factors, many equating to the geometry of so many common, valuable, regular polyhedra, that we keep the degree for everyday work. However, the radian comes into its own for technical calculations because it is based on pi so simplifies all manner of circle- and sine- related calculations in Mechanics, Harmonic Analysis, etc. (You may know the sine and cosine rations in right-angled triangles only, but they work together with circles in a very beautiful way!)

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I hope that lot helps.

What is the si unit for force which is equal to 1kg ms2?

You have: F = ( m ) ( a ) = ( 1.0 kg ) (1.0 m/s^2 ) = 1.0 Newton = 1.0 N <----------------------

How is one metric ton to one us gal?

264

A tonne is a measure of mass, and a gallon is a measure of volume, to convert from one to the other you need to know the density of the liquid. Water at 20oC has a density of 998.2kgm-3. So one cubic metre of water at 20oC has a mass of 998.2kg, or 0.9982 tonne.

One cubic metre weighs 1.8 kg less than a tonne.

One tonne has a volume of 1.002m3.

1.002m3 is 219.57 imperial (uk) gallons. or 264 US gallons liq.

What are the customary units of length?

-- inch

-- foot

-- yard

-- rod

-- chain

-- league

-- furlong

-- mile

Benefit of using timelines and metrics?

Timelines help visualize project milestones and deadlines, making it easier to track progress and allocate resources efficiently. Metrics provide quantifiable data and performance indicators that help measure success, identify areas for improvement, and make informed decisions based on objective information. Together, timelines and metrics improve project management effectiveness by promoting transparency, accountability, and informed decision-making.

When did the metric system come into England?

Metric was used for scientific reasons in 1864 but the final law making it a requirement to be put on all packaging was not until 1995.

Are quarts in the English system or the metric system?

No, it is not part of the metric system. A quart is equivalent to .95 liters.

Is liter used in the metric system?

Yes. The litre (to give it its proper, French, spelling) is the basic unit of fluid volume.

Although intended for fluids, it has become popular with car manufacturers, for some bizarre reason, in describing the space inside their vehicles. The cubic metre would be far more sensible, and even better and just as acceptable in the SI system, the length, width and height in metres or millimetres!

What are the weights and measures of the metric system?

A Newton and kiloNewton are two commonly used units.

Note that the answer is NOT kilograms or its multiples since those are units of mass and that is not the same as weight. You have the same mass on earth as on the moon but your weight will be different.

What is 7 13 pounds in pounds?

"lbs" is the abbreviation for pounds, there 713 pounds = 713 lbs.

What is the metric system commonly used for?

All technical, trade and everyday measurements. It, or more accurately SI, the ISO-devised derivative of the original, is slowly becoming the world's only officially-recognised system for all but a very few specific, allowed exceptions.

There are shades of use: officially the only recognised fraction of the Metre (note: the proper, French, spelling) is the millimetre, but the centimetre (cm) is in common use for clothes sizes etc.

How many countries do not use metric system?

95% of the world uses the metric system, according to the CIA World Fact-Book.

CIA World Fact-Book. Frequently Asked Questions. 19 October 2011. 23 October 2011 <https://www.cia.gov/library/publications/the-world-factbook/docs/faqs.html>.

How to take three Metric measurements of a can of fruit cocktail?

How to explain obscurely-worded questions?

Look on the label: it will give either volume or weight in either Imperial or metric units, so to convert find the relevant formula.

To share the contents in 3 equal parts, use either a balance or a measuring-jug, but to be honest it will be just as accurate to count spoonfuls or depths in similar dishes!

NB: don't try to mix units of mass with those of volume: that won't work!