Measure units conversion tables
Unit conversion tables are tools that show the
equivalences between different units used to measure the same physical
quantity. They make it easier to convert from one unit to another (for
example, from meters to feet, kilograms to pounds, or liters to
gallons), ensuring consistency and accuracy in calculations,
experiments, or practical applications.
These tables are especially useful in science, engineering, commerce,
and education, where working with different unit systems—such as the
International System (SI) and the imperial system—is common. They also
help prevent interpretation errors and make it easy to compare data
from different sources.
Length
|
meter \(\left( \mathrm{m} \right)\)
|
millimeter \(\left( \mathrm{mm} \right)\)
|
inch \(\left( \mathrm{in} \right)\)
|
foot \(\left( \mathrm{ft} \right)\)
|
yard \(\left( \mathrm{yd} \right)\)
|
mile \(\left( \mathrm{mi} \right)\)
|
meter \(\left( \mathrm{m} \right)\)
|
1 |
1000 |
39.3700787 |
3.2808399 |
1.0936133 |
0.00062137 |
millimeter \(\left( \mathrm{mm} \right)\)
|
0.001 |
1 |
0.0393701 |
0.0032808 |
0.0010936 |
0.00000062137 |
inch \(\left( \mathrm{in} \right)\)
|
0.0254 |
25.4 |
1 |
0.08333 |
0.02777 |
0.000015782 |
foot \(\left( \mathrm{ft} \right)\)
|
0.3048 |
304.8 |
12 |
1 |
0.333 |
0.00018939 |
yard \(\left( \mathrm{yd} \right)\)
|
0.9144 |
914.4 |
36 |
3 |
1 |
0.00056818 |
mile \(\left( \mathrm{mi} \right)\)
|
1609.347088 |
1609347.088 |
63363.32531 |
5280.109826 |
1760.005632 |
1 |
Area
|
square meter \(\left( \mathrm{m^{2}} \right)\)
|
hectare \(\left( \mathrm{ha} \right)\)
|
square inch \(\left( \mathrm{in^{2}} \right)\)
|
square foot \(\left( \mathrm{ft^{2}} \right)\)
|
square yard \(\left( \mathrm{yd^{2}} \right)\)
|
acre \(\left( \mathrm{ac} \right)\) |
square meter \(\left( \mathrm{m^{2}} \right)\)
|
1 |
0.0001 |
1550.0031 |
10.76391 |
1.19599 |
0.00024711 |
hectare \(\left( \mathrm{ha} \right)\)
|
10000 |
1 |
15500031 |
107639.1 |
0.0001196 |
2.4710538 |
square inch \(\left( \mathrm{in^{2}} \right)\)
|
0.00064516 |
0.00000006451 |
1 |
0.006944 |
0.0007716 |
0.00000015942 |
square foot \(\left( \mathrm{ft^{2}} \right)\)
|
0.09290304 |
0.000009290351 |
144 |
1 |
0.111 |
0.000022957 |
square yard \(\left( \mathrm{yd^{2}} \right)\)
|
0.8361274 |
0.000083613 |
1296 |
9 |
1 |
0.00020661 |
acre \(\left( \mathrm{ac} \right)\) |
4046.856 |
0.4046856 |
6272640 |
43560 |
4840 |
1 |
Volume
|
cubic meter \(\left( \mathrm{m^{3}} \right)\)
|
liter \(\left( \mathrm{l} \right)\), \(\left( \mathrm{dm^{3}}
\right)\)
|
square foot \(\left( \mathrm{ft^{3}} \right)\)
|
gallon (USA) \(\left( \mathrm{gal} \right)\)
|
gallon (GB) \(\left( \mathrm{gal} \right)\)
|
barrel \(\left( \mathrm{bbl} \right)\)
|
cubic meter \(\left( \mathrm{m^{3}} \right)\)
|
1 |
1000 |
35.3146667 |
264.17205 |
219.96923 |
6.2898108 |
liter \(\left( \mathrm{l,\ dm^{3}} \right)\)
|
0.001 |
1 |
0.0353147 |
0.2641721 |
0.2199692 |
0.0062898 |
square foot \(\left( \mathrm{ft^{3}} \right)\)
|
0.0283168 |
28.3168466 |
1 |
7.4805195 |
6.2288349 |
0.1781076 |
gallon (USA) \(\left( \mathrm{gal} \right)\)
|
0.0037854 |
3.7854118 |
0.1336806 |
1 |
0.8326741 |
0.0238095 |
gallon (GB) \(\left( \mathrm{gal} \right)\)
|
0.0045461 |
4.5460904 |
0.1635437 |
1.20095 |
1 |
0.028594 |
barrel \(\left( \mathrm{bbl} \right)\)
|
1589873 |
158987295 |
56145833 |
42 |
34.9723128 |
1 |
Pressure
|
kilopascal \(\left( \mathrm{kPa} \right)\) \(\left(
\mathrm{kN/m^{2}} \right)\)
|
standard atmosphere \(\left( \mathrm{atm} \right)\) \(\left(
\mathrm{kgf/cm^{2}} \right)\)
|
technical atmosphere \(\left( \mathrm{atm} \right)\) \(\left(
\mathrm{kgf/cm^{2}} \right)\)
|
millimeter of mercury \(\left( 0\ ^{\circ}\mathrm{C} \right)\)
\(\left( \mathrm{mmHg} \right)\)
|
meter of water column \(\left( \mathrm{4 ^{\circ}\mathrm{C}}
\right)\) \(\left( \mathrm{mH_{2}O} \right)\)
|
inch of water column \(\left( \mathrm{60\ ^{\circ} F} \right)\)
\(\left( \mathrm{15.6\ ^{\circ} C} \right)\) \(\left(
\mathrm{inH_{2}O} \right)\)
|
pound per square inch \(\left( \mathrm{psi} \right)\)
|
barye \(\left( \mathrm{bar} \right)\)
|
kilopascal \(\left( \mathrm{kPa} \right)\) \(\left(
\mathrm{kN/m^{2}} \right)\)
|
1 |
0.009869247 |
0.0101972 |
7.500620676 |
0.1019745 |
0.101974477 |
0.1450377 |
0.01 |
technical atmosphere \(\left( \mathrm{atm} \right)\) \(\left(
\mathrm{kgf/cm^{2}} \right)\)
|
101.3248518 |
1 |
1.03322 |
760 |
10.33258 |
406.7818832 |
14.695892 |
1.013232 |
technical atmosphere \(\left( \mathrm{atm} \right)\) \(\left(
\mathrm{kgf/cm^{2}} \right)\)
|
98.0665 |
0.967848087 |
1 |
735.560217 |
10.00028001 |
393.6993924 |
14.2233433 |
0.980665 |
millimeter of mercury \(\left( 0\ ^{\circ}\mathrm{C} \right)\)
\(\left( \mathrm{mmHg} \right)\)
|
0.1333223 |
0.001315789 |
0.0013595 |
1 |
0.0135955 |
0.53523932 |
0.0193367 |
0.0013332 |
meter of water column \(\left( \mathrm{4 ^{\circ}\mathrm{C}}
\right)\) \(\left( \mathrm{mH_{2}O} \right)\)
|
9.8063754 |
0.096781249 |
0.0999972 |
73.5539622 |
1 |
39.36896897 |
1.4222945 |
0.0980638 |
inch of water column \(\left( \mathrm{60\ ^{\circ} F}
\right)\) \(\left( \mathrm{15.6\ ^{\circ} C} \right)\)
\(\left( \mathrm{inH_{2}O} \right)\)
|
0.2490889 |
0.00245832 |
0.002540009 |
1.868323128 |
0.025400716 |
1 |
0.036127281 |
0.002490889 |
pound per square inch \(\left( \mathrm{psi} \right)\)
|
6.8947573 |
0.068046227 |
0.070307 |
51.7150013 |
0.7030893 |
27.67991314 |
1 |
0.0689476 |
barye \(\left( \mathrm{bar} \right)\)
|
100 |
0.986940799 |
1.0197162 |
750.062679 |
10.1974477 |
401.4630921 |
14.5037738 |
1 |
Energy
|
kilojoule \(\left( \mathrm{kJ} \right)\) |
kilowatt hour \(\left( \mathrm{kWh} \right)\)
|
horse power hour \(\left( \mathrm{550\ ft\cdot lbf/s} \right)\)
\(\left( \mathrm{hp\cdot h} \right)\)
|
metric horse power hour \(\left( \mathrm{75\ m\cdot Kgf/s}
\right)\) \(\left( \mathrm{cv\cdot h} \right)\)
|
kilocalorie \(\left( \mathrm{kcal} \right)\)
|
British Thermal Unit \(\left( \mathrm{BTU} \right)\)
|
kilojoule \(\left( \mathrm{kJ} \right)\) |
1 |
0.0002777 |
0.000372506 |
0.000377673 |
0.2388459 |
0.9478171 |
kilowatt hour \(\left( \mathrm{kWh} \right)\)
|
3600 |
1 |
1.3410221 |
1.3596216 |
859.84523 |
3412.1416 |
horse power hour \(\left( \mathrm{550\ ft\cdot lbf/s}
\right)\) \(\left( \mathrm{hp\cdot h} \right)\)
|
2684.5195 |
0.7456999 |
1 |
1.0138697 |
641.18648 |
2544.4336 |
metric horse power hour \(\left( \mathrm{75\ m\cdot Kgf/s}
\right)\) \(\left( \mathrm{cv\cdot h} \right)\)
|
2647.7955 |
0.7354988 |
0.9863201 |
1 |
632.41509 |
2509.6259 |
kilocalorie \(\left( \mathrm{kcal} \right)\)
|
4.1868 |
0.001163 |
0.00155961 |
0.00158124 |
1 |
3.9683207 |
British Thermal Unit \(\left( \mathrm{BTU} \right)\)
|
1.0550559 |
0.000293071 |
0.00039301 |
0.000398466 |
0.2519958 |
1 |
Energy macrounits
|
terajoule \(\left( \mathrm{TJ} \right)\) |
gigawatt hour \(\left( \mathrm{GWh} \right)\)
|
teracalorie \(\left( \mathrm{Tcal} \right)\)
|
tonne of coal equivalent \(\left( \mathrm{tce} \right)\)
|
tonne of oil equivalent \(\left( \mathrm{toe} \right)\)
|
terajoule \(\left( \mathrm{kJ} \right)\) |
1 |
0.2727 |
0.2388459 |
34.1208424 |
23.8845897 |
gigawatt hour \(\left( \mathrm{GWh} \right)\)
|
3.6 |
1 |
0.8598452 |
122.8350326 |
85.9845228 |
teracalorie \(\left( \mathrm{Tcal} \right)\)
|
4.1868 |
1.163 |
1 |
142.8571429 |
100 |
tonne of coal equivalent \(\left( \mathrm{tce} \right)\)
|
0.0293076 |
0.008141 |
0.007 |
1 |
0.7 |
tonne of oil equivalent \(\left( \mathrm{toe} \right)\)
|
0.041868 |
0.01163 |
0.01 |
1.4285714 |
1 |
Power
|
kilowatt \(\left( \mathrm{kW} \right)\) |
kilocalorie hour \(\left( \mathrm{kcal/h} \right)\)
|
BTU/hour \(\left( \mathrm{BTU/h} \right)\)
|
horse power \(\left( \mathrm{hp} \right)\)
|
metric horse power \(\left( \mathrm{cv} \right)\)
|
yon of refrigeration \(\left( \mathrm{TOR} \right)\)
|
kilowatt \(\left( \mathrm{kW} \right)\) |
1 |
859.84523 |
3412.1416 |
1.3410221 |
1.3596216 |
0.2843494 |
kilocalorie hour \(\left( \mathrm{Kcal/h} \right)\)
|
0.001163 |
1 |
3.9683207 |
0.0015596 |
0.0015812 |
0.0003307 |
BTU/hour \(\left( \mathrm{BTU/h} \right)\)
|
0.00029307 |
0.2519958 |
1 |
0.00039301 |
0.00039847 |
0.000083335 |
horse power \(\left( \mathrm{hp} \right)\)
|
0.7456999 |
641.18648 |
2544.4336 |
1 |
1.0138697 |
0.2120393 |
metric horse power \(\left( \mathrm{cv} \right)\)
|
0.7354988 |
632.41509 |
2509.6259 |
0.9863201 |
1 |
0.2091386 |
Ton of refrigeration \(\left( \mathrm{TOR} \right)\)
|
3.5168 |
3023.9037 |
11999.82 |
4.7161065 |
4.7815173 |
1 |
See also
International System of Units prefixes
Physical quantities
Temperature conversion tables