Metric conversion table chart: Metric Conversion charts and calculators
Posted onConversion Tables  Metric & Imperial
Use the following tables to quickly convert metric and imperial measurements.
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View, download and print our metric and imperial conversion tables for ongoing use.
Metric & Imperial Tables
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Weight Tables
Instantly convert metric and imperial weights using our online weight calculator.
Metric To Imperial Weights
Metric Weights
Imperial Weights
1 mg
0.0154 gr
1 g
1,000 mg
0.0353 oz
1 kg
1,000 g
2.2046 lb
1 t
1,000 kg
0.9842 lt
Imperial To Metric Weights
Imperial Weights
Metric Weights
1 oz
437.5 gr
28.35 g
1 lb
16 oz
0.4536 kg
1 st
14 lb
6.3503 kg
1 cwt
112 lb
50.802 kg
1 sh t
17.857 cwt
0. 9072 t
1 lt
20 cwt
1.016 t
Weight Key
 mg — milligram
 g — gram
 kg — kilogram
 t — tonne
 gr — grain
 oz — ounce
 lb — pounds
 st — stone
 cwt — hundredweight
 sh t — short ton
 lt — long ton
Length Tables
Instantly convert metric and imperial lengths using our online length calculator.
Metric To Imperial Lengths
Metric Lengths
Imperial Lengths
1 mm
0.03937 in
1 cm
10 mm
0.3937 in
1 m
100 cm
1.0936 yd
1 km
1,000 m
0.6214 mi
Imperial To Metric Lengths
Imperial Lengths
Metric Lengths
1 in
2.54 cm
1 ft
12 in
0.3048 m
1 yd
3 ft
0.9144 m
1 mi
1760 yd
1.6093 km
1 nm
2025.4 yd
1.853 km
Length Key
 mm — millimetre
 cm — centimetre
 m — metre
 km — kilometre
 in — inch
 ft — foot
 yd — yard
 mi — mile
 nm — international nautical mile
Area Tables
Instantly convert metric and imperial area using our online area calculator.
Metric To Imperial Area
Metric Area
Imperial Area
1 cm²
100 mm²
0.1550 in²
1 m²
10,000 cm²
1.1960 yd²
1 ha
10,000 m²
2.4711 ac
1 km²
100 ha
0.3861 mi²
Imperial To Metric Area
Imperial Area
Metric Area
1 in²
6.4516 cm²
1 ft²
144 in²
0.0929 m²
1 yd²
9 ft²
0.8361 m²
1 ac
4840 yd²
4046.9 m²
1 mi²
640 ac
2.59 km²
Area Key
 mm² — square millimetre
 cm² — square centimetre
 m² — square metre
 ha — hectare
 km² — square kilometre
 in² — square inch
 ft² — square feet
 yd² — square yard
 ac — acres
 mi² — square mile
Volume Tables
Instantly convert metric and imperial volume using our online volume calculator.
Metric To Imperial Volume
Metric Volume
Imperial Volume
1 cm³
0. 0610 in³
1 dm³
1,000 cm³
0.0353 ft³
1 m³
1,000 dm³
1.3080 yd³
1 l
1 dm³
1.7598 pt
1 hl
100 l
21.997 gal
Imperial To Metric Volume
Imperial Volume
Metric Volume
1 in³
16.387 cm³
1 ft³
1,728 in³
0.0283 m³
1 fl oz
28.413 ml
1 pt
20 fl oz
0.5683 l
1 gal
8 pt
4.5461 l
USA To Metric Volume
USA Volume
Metric Volume
1 fl oz
29.574 ml
1 pt
0.4732 l
1 gal
3.7854 l
Volume Key
 cm³ — cubic centimetre
 dm³ — cubic decimetre
 m³ — cubic metres
 ml — millilitre
 l — litre
 hl — hectolitre
 in³ — cubic inches
 ft³ — cubic feet
 yd³ — cubic yards
 fl oz — fluid ounce
 pt — pint
 gal — gallon
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Table for converting US and UK units of measurement to SI units in Russia
In metrological measurements and control and measuring equipment (KIPiA), different units of measurement are used — accepted in the USA and Great Britain, as well as SI. These are international standards for physical quantities, which are also accepted in Russia.
Standardization of physical quantities based on SI is the most simple and convenient. The main advantage of the International System is that only one unit of measure is used for each quantity. This means that when making calculations, there is no need to switch from one system to another. which eliminates confusion and ensures that the correct and most accurate results are obtained.
Any value that characterizes length, width, height, area, mass, volume or density can be converted from one unit to another. The conversion tables present the main units of measurement that are used in various fields of human activity.
Length
There are a large number of names for distance measurements that are now or were used earlier in engineering, physics, astronomy, naval and typographic systems, as well as ancient Greek, Japanese and Old Russian systems. In different countries and different times, to determine the distance from point A to point B, such measures of length as arshin, span and fathom, twip and nonpareil, fathom and cable, light year and parsec were used. The main units of distance in the modern metric system are meters, as well as its multiples and submultiples — kilometers, centimeters, decimeters, millimeters.
Conversion table for units of length.
9002 1The line is large
9 0033
Nautical mile 
England 
n. mile 
1.853181 km 
SI 
n. mile 
1.8521 km 

USA 
n. mile 
1.8521 km 

Mile (Mile) 
609341 km 

Yard 
yd 
914.41 mm 

Foot 
ft 4.81 mm 

Inch 
in 
25.42 mm 

1/10″ 
lgr 
2. 541 mm 

Line 
2.1172 mm 

Mil 
mil 
25.42 µm 

Microinch 
uin 
25, 42 nm 
Area
Area is a numerical value used to measure flat geometric shapes, surfaces of various products and objects. To determine the area, both metric units (square kilometer, hectare, hundredth) and obsolete Russian ones (square verst, tithe, square sazhen) or units of measurement that were used in ancient Rome (actius, yuger, centuria) are used. In England, America, Canada and other countries, a measure of land is used, called an acre.
Conversion table for area units.
sq mile 0021 2.589991 km ^{ 2 } 

Sq yd 
yd ^{ 2 } 
0. 8361271 m ^{ 2 } 

Sqft 
FT ^{ 2 } 
929.0302 cm ^{ 2 } 

square 9000 
9000 in ^{ 2 } 2
9000 3 
645.161 mm ^{ 2 } 

Sq mil 
mil ^{ 2 } 
645.161 µm ^{ 2 902 18 } 
Volume
To denote such quantities as capacity or space in 3 dimensions, as a rule, a meter, decimeter, centimeter cubed is used. The volume of various containers is used to measure the volume of various liquid media or bulk materials. For example, oil is measured in barrels, gasoline and milk are measured in gallons and pints, and the cubic inch is most commonly used in industry and high technology.
Conversion table for volume units.
Cubic yard 
yd ^{ 3 } 
m ^{ 3 } 

Cubic foot 
ft ^{ 3 } 
28. 31692 in. ^{ 3 } 

Cubic inch 900 03 
in ^{ 3 } 
16.38712 cm ^{ 3 } 

Oil barrel 0003 
barrel 
Dry barrel 
USA 
bbl 
115.6271 dm 03 
Gallon 
England 
gal 
4.546092 dm ^{ 3 } 900 03 

Gallon liquid 
USA 
gal liq 
3.785412 dm ^{ 3 } 

Gallon dry 
9000 2 USA 
gal dry 
4.404881 dm ^{ 3 } 
Mass
gravitational characteristics of the object. There are several different systems of mass measures, including Russian (pood, pound, lot, spool), British pharmacy (ounce, drachma, troy pound), European (ace, mark, ferkin), American (stones, pounds and ounces, grains, short tons and handdwt). The kilogram is one of the basic units of mass in the modern metric system, which include tons, centner, grams, milligrams. For the accuracy of mass measurement, 42 mass standards were made, one of which, a kilogram standard of a cylindrical shape made of a special alloy, is located at the International Bureau of Weights and Measures in the city of Sèvres in France. The remaining standards are stored in metrological organizations around the world.
Mass conversion table.
51 t
Long ton (Ton long) 
England 
ton 
1.016051 t 
2240 pounds 9 0003 

Short ton (Ton short) 
USA 
ton 
0. 
2000 pounds 

Hundred long (Hun.long) 
England 
cwt 
50.80232 kg 

Hun short 
USA 
cwt 
45,35921 kg 

0003 
lb 
0. 4535921 kg 
oz 
28.34951 g stone) 
6.3523 kg 
14 lbs. Density Density is a physical quantity defined as the ratio of an object’s mass to the volume it occupies. The Greek letter p (rho) is used to designate a quantity. Density measurement is necessary to determine the characteristics of gases, liquids, loose and porous bodies, solid materials. In the International System of Measurements, density is measured in grams, kilograms, or tons per cubic meter. Conversion table for density units.
Velocity and accelerationThese quantities allow you to determine the speed of the object’s movement in space and the time during which the object’s position changes. Speedometers, radars, anemometers, chronographs, gas flow meters, water speed meters and other modern speed meters measure speed in meters per second, kilometers per hour. In England and the USA, it is customary to measure speed in miles per hour. The knot, which is equal to 1 nautical mile per hour, is used to determine the speed of aircraft and ships. Speed and acceleration conversion table
ForceSpecial devices are used to measure force — sensors and dynamometers with different operating principles (mechanical, hydraulic, electrical). The scope of such equipment is quite large — from transport and housing and communal services to robotics, testing new military developments, designing prostheses, and rehabilitation medicine. For example, medical hand and back dynamometers are used to measure muscle strength after injuries and physiotherapy, as well as in law enforcement agencies, the RF Armed Forces and the Ministry of Emergency Situations. Sensors are used to determine the strength of destructive loads that have a large power. We are talking about strong blows, explosions. Before failing, such a sensor is able to accurately measure and transmit to a special electronic unit, which is located at a distance, information about the force that destroyed it. Conversion table of force units.
DensityLinear density and areal density are generally characteristics of textile materials, fur, leather, woven and nonwoven fabrics. These quantities are measured experimentally or by calculation using formulas that take into account the mass of the sample, its length, width, thickness, actual and standardized moisture content of the material. Conversion table of linear units. and surface density.900 33
Specific gravityGiven value determines the ratio of the weight of a substance or material to the volume occupied. In the International System of Units, it is customary to measure it in H / m ^{ 3 } using precision equipment. For example, the specific gravity of oil refining products is measured using hydrometers, pycnometers, pneumatic compensation scaleless devices — specific gravity sensors with temperature compensation. Specific gravity conversion table.
9000 8 Viscosity Dynamic and kinematic viscosity is the property of liquid and gaseous media to resist relative motion. Different substances have different kinematic viscosities, which can vary with temperature. In the generally accepted measurement system, dynamic viscosity is measured in Pascalsec., In kinematic viscosity — in m2 / s. To measure this value, hightemperature analyzers are used, which are capable of providing accurate data in the temperature range from 60C to +2000C. These are rotary, capillary, vibration, bubble, cup, ultrasonic viscometers. Dynamic and kinematic viscosity conversion table. 17 2.3693 kPa s 

1 lbfs /sqft 
lbf×s/ft ^{ 2 } 
47.88032 Pa×s 

1 pandalsec/square foot 
pdl×s/ft ^{ 2 } 
1.488162 Pa×s 

003 
ft ^{ 2 } /h 
25.80642 mm ^{ 2 } /s 

929.0302 cm ^{ 2 } /s 
Flow
Conversion table for mass and volume flow units
52 t/h
9 0033
1 lb/h 
lb/h 
0. 4535921 kg/h 900 03 
0.1259982 g/s 

1 ton/h 
England 
ton/h 
1.016052 t/h 
0.282242 kg/s 90 003 
1 ton/h 
USA 
ton/h 
0. 
0.2519961 kg/s 
1 cfm 
lb ^{ 3 } / min 
28.31692 dm ^{ 3 } /min 
0.4719471 dm ^{ 3 } /s 9002 0  
1 cfm 
yd ^{ 3 } / min 
0.7645551 m ^{ 3 } / min 
12.74261 dm ^{ 3 90 218 /s } 

1 fl/min 
USA 
gal liq/min 
3.785412 dm ^{ 3 } /min 
0.0630912 dm 902 17 3 /s 
1 gpm 
England 
gal/min 
4. 546092 dm ^{ 3 } /min 
0.7576 82 dm ^{ 3 } /s 
Torque
Moment conversion table strength.
90 021
pdl×ft
1 lbf.in. 0  
1 lbf ft 
lbf×ft 
1.355821 N×m 
1 poundfeet 
42.14012 mN×m 
Power
Conversion table for units of power, heat flow.
90 021
Btu/s
1 lbfft/s 
lbf×ft/s 
1.355821 W 
1 lbfft/min 
lbf×ft/min 
22.59702 mW 
1 lbfft/hr 
lbf× ft/h 
376.6162 µW 
1 pound — ft/s 
pdl× t/s 9 0003 
42. 14012 mW 
1 hp .strength 
hp 
745.7000 W 
1 Btu/sec 
1055.062 W 

1 UK unit of heat/hour 
Btu/h 
0.2930672 W 
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XYZ — Time unit conversion — table.
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