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Metric Conversion
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List of Conversion Factors
Area
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
acres (ac) |
hectares (ha) |
0.4047 |
acres (ac) |
square metres (m^2) |
4.0469E3 |
hectares (ha) |
square metres (m^2) |
1E4 |
hectares (ha) |
acres (ac) |
2.47 |
perch (p) |
square metres (m^2) |
25.2928 |
rood (rd) |
square metres (m^2) |
1.0117E3 |
square centimetres (cm^2) |
square inches (in^2) |
0.155 |
square feet (ft^2) |
square metres (m^2) |
0.092 |
square inches (in^2) |
square metres (m^2) |
6.4516E-4 |
square inches (in^2) |
square millimetres (mm^2) |
6.4516E2 |
square inches (in^2) |
square centimetres (cm^2) |
6.4516 |
square metres (m^2) |
square yards (yd^2) |
1.195 |
square metres (m^2) |
square feet (ft^2) |
10.76 |
square metres (m^2) |
square inches (in^2) |
1.55E3 |
square metres (m^2) |
acres (ac) |
2.47E-4 |
square metres (m^2) |
rood (rd) |
9.88E-4 |
square metres (m^2) |
perch (p) |
3.95E-2 |
square metres (m^2) |
hectares (ha) |
1E-4 |
square millimetres (mm^2) |
square inches (in^2) |
1.55E-3 |
square yards (yd^2) |
square metres (m^2) |
0.8361 |
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Length
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
centimetres (cm) |
inches (in) |
0.3937 |
chains (ch) |
metres (m) |
2.0116E1 |
feet (ft) |
metres (m) |
0.3048 |
inches (in) |
metres (m) |
0.0254 |
inches (in) |
centimetres (cm) |
2.54 |
inches (in) |
millimetres (mm) |
25.4 |
Light years l.y. |
metres (m) |
9.4605E15 |
links (lk) |
metres (m) |
0.2012 |
metres (m) |
miles |
6.2137E-4 |
metres (m) |
chains (ch) |
0.0497 |
metres (m) |
yards (yd) |
1.0936 |
metres (m) |
links (lk) |
4.9709 |
metres (m) |
feet (ft) |
3.2808 |
metres (m) |
inches (in) |
39.37 |
metres (m) |
Light years l.y. |
1.057E-16 |
metres (m) |
Perches |
1.988E-1 |
miles |
metres (m) |
1.6093E3 |
millimetres (mm) |
inches (in) |
0.0397 |
Perch |
metres (m) |
5.0292 |
yards (yd) |
metres (m) |
0.9144 |
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Mass
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
drams (dr) |
kilograms (kg) |
1.7718E-3 |
grain (gr) |
kilograms (kg) |
6.4798E-5 |
hundredweight (cwt) |
kilograms (kg) |
50.8023 |
kilograms (kg) |
ton |
9.84E-4 |
kilograms (kg) |
tonne |
1E-3 |
kilograms (kg) |
short ton (sh tn) |
1.1023E-3 |
kilograms (kg) |
hundredweight (cwt) |
0.197 |
kilograms (kg) |
quarter (qr) |
0.0787 |
kilograms (kg) |
stone |
0.1575 |
kilograms (kg) |
pounds (lb) |
2.2046 |
kilograms (kg) |
ounces (oz) |
32.1507 |
kilograms (kg) |
drams (dr) |
5.643E2 |
kilograms (kg) |
grain (gr) |
1.54E4 |
kilograms (kg) |
slug |
0.0685 |
kilograms (kg) |
troy ounces (oz tr) |
32.1507 |
kilograms (kg) |
pennyweight (dwt) |
6.4301E2 |
ounces (oz) |
kilograms (kg) |
0.0311 |
pennyweight (dwt) |
kilograms (kg) |
1.5552E-3 |
pounds (lb) |
kilograms (kg) |
0.4536 |
quarter (qr) |
kilograms (kg) |
12.7006 |
short ton (sh tn) |
kilograms (kg) |
9.0718E2 |
short ton (sh tn) |
tonnes (t) |
0.9072 |
slug |
kilograms (kg) |
14.5939 |
stone |
kilograms (kg) |
6.3502 |
ton |
kilograms (kg) |
1.0160E3 |
ton |
tonne (t) |
1.0160 |
tonne |
kilograms (kg) |
1E3 |
tonne (t) |
ton |
0.984 |
tonnes (t) |
short ton (sh tn) |
0.1023 |
troy ounces (oz tr) |
kilograms (kg) |
0.0311 |
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Power
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
horsepower (hp) |
Watts (W) |
7.457E2 |
Watts (W) |
horsepower (hp) |
1.341E-3 |
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Pressure
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
millibars (mb) |
Pascals (Pa) |
100 |
millibars (mb) |
standard atmosphere (atm) |
9.864E-4 |
millimetres of mercury (mm Hg) |
Pascals (Pa) |
1.3332E2 |
Pascals (Pa) |
millimetres of mercury (mm Hg) |
7.5E-3 |
Pascals (Pa) |
millibars (mb) |
0.01 |
Pascals (Pa) |
standard atmosphere (atm) |
9.8692E-6 |
standard atmosphere (atm) |
Pascals (Pa) |
101325 |
standard atmosphere (atm) |
millibars (mb) |
1.013E3 |
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Temperature
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
Celsius (degrees C) |
Fahrenheit (degrees F) |
9/5 * C + 32 |
Celsius (degrees C) |
Kelvin (degrees K) |
C + 273.15 |
Fahrenheit (degrees F) |
Celsius (degrees C) |
5/9 * (t - 32) |
Fahrenheit (degrees F) |
Kelvin (degrees K) |
5/9 * (t + 459.67) |
Kelvin (K) |
Celsius (degrees C) |
K - 273.15 |
Kelvin (K) |
Fahrenheit (degrees F) |
9/5 * K -459.67 |
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Velocity and Speed
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
feet per minute (ft/min) |
metres per second (m/s) |
5.080E-3 |
kilometres per hour (km/h) |
miles per hour (mph) |
0.6214 |
knotts, international |
meters per second (m/s) |
0.51444 |
meters per second (m/s) |
knotts, international |
1.9438 |
metres per second (m/s) |
miles per hour (mph) |
2.2369 |
metres per second (m/s) |
feet per minute (ft/min) |
1.968E2 |
miles per hour (mph) |
metres per second (m/s) |
0.4470 |
miles per hour (mph) |
kilometres per hour (km/h) |
1.6093 |
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Volume
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
cubic centimetres (cm^3) |
cubic inches (in^3) |
6.102E-2 |
cubic feet (ft^3) |
cubic metres (m^3) |
0.0283 |
cubic feet (ft^3) |
litres (L) |
0.2831 |
cubic inches (in^3) |
cubic millimetres (mm^3) |
1.6387E4 |
cubic inches (in^3) |
cubic centimetres (cm^3) |
16.3871 |
cubic inches (in^3) |
cubic metres (m^3) |
1.6387E-5 |
cubic metres (m^3) |
cubic yards (yd^3) |
1.3079 |
cubic metres (m^3) |
cubic feet (ft^3) |
35.32 |
cubic metres (m^3) |
cubic inches (in^3) |
6.102E4 |
cubic metres (m^3) |
US gallons (US gal) |
264.172 |
cubic metres (m^3) |
gallons (gal) |
2.199E2 |
cubic metres (m^3) |
litres (l) |
1E3 |
cubic metres (m^3) |
quarts (qt) |
8.798E2 |
cubic metres (m^3) |
pints (pt) |
1.759E3 |
cubic metres (m^3) |
gill |
7.039E3 |
cubic metres (m^3) |
fluid ounces (fl oz) |
3.5195E4 |
cubic metres (m^3) |
fluid drachm (fl dr) |
2.815E5 |
cubic metres (m^3) |
minim (min) |
1.689E7 |
cubic millimetres (mm^3) |
cubic inches (in^3) |
6.102E-5 |
cubic yards (yd^3) |
cubic metres (m^3) |
0.7646 |
fluid drachm (fl dr) |
cubic metres (m^3) |
3.5516E-8 |
fluid ounces (fl oz) |
cubic metres (m^3) |
2.8413E-5 |
fluid ounces (fl oz) |
millilitres (mL) |
28.4131 |
gallons (gal) |
cubic metres (m^3) |
4.5461E-3 |
gallons (gal) |
litres (L) |
4.54609 |
gill |
cubic metres (m^3) |
1.4206E-4 |
litres (l) |
cubic metres (m^3) |
1E-3 |
litres (L) |
cubic feet (ft^3) |
0.0353 |
litres (L) |
gallons (gal) |
0.22 |
litres (L) |
US gallons (US gal) |
0.2642 |
litres (L) |
minim (min) |
1.689E10 |
millilitres (mL) |
fluid ounces (fl oz) |
3.5195E-2 |
minim (min) |
cubic metres (m^3) |
5.9194E-8 |
minim (min) |
litres (L) |
5.9194E-11 |
pints (pt) |
cubic metres (m^3) |
5.6826E-4 |
quarts (qt) |
cubic metres (m^3) |
1.1365E-3 |
US gallons (US gal) |
cubic metres (m^3) |
3.7854E-3 |
US gallons (US gal) |
litres (L) |
3.7854 |
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Energy
Unit of Measurement |
Unit of Measurement |
Conversion Factor multiply by |
British thermal units (Btu) |
joules (J) |
1.0551E3 |
calories (cal) |
joules (J) |
4.1868 |
joules (J) |
kilocalories (kcal) |
2.389E-4 |
joules (J) |
calories (cal) |
0.2389 |
joules (J) |
British thermal units (Btu) |
9.478E-4 |
joules (J) |
kilowatt hours (kW.h) |
2.7778E-7 |
kilocalories (kcal) |
joules (J) |
4.1868E3 |
kilowatt hours (kW.h) |
joules (J) |
3.6E6 |
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