reference conversion tables

TEMPERATURE

ºC

ºF

ºC

1

9/5(ºC) +32

ºF

5/9(ºF-32)

1

LENGTH

Å

µm

mm

cm

m

km

mil

in

ft

yd

mile

Å

1

1.00E-04

1.00E-07

1.00E-08

1.00E-10

1.00E-13

3.94E-06

3.94E-09

3.28E-10

1.09E-10

6.21E-14

µm

1.00E+04

1

1.00E-03

1.00E-04

1.00E-06

1.00E-09

0.0394

3.94E-05

3.28E-06

1.09E-06

6.21E-10

mm

1.00E+07

1,000

1

0.1

1.00E-03

1.00E-06

39.370

0.0394

3.28E-03

1.09E-03

6.21E07

cm

1.00E+08

1.00E+04

10

1

0.01

1.00E-05

393.70

0.3937

0.0328

0.0109

6.21E-06

m

1.00E+10

1.00E+06

1,000

100

1

1.00E-03

3.94E+04

39.370

3.281

1.094

6.21E-04

km

1.00E+13

1.00E+09

1.00E+06

1.00E+05

1,000

1

3.94E+07

3.94E+04

3,280.8

1,093.6

0.6215

mil

2.54E+05

25.4

0.0254

2.54E-03

2.54E-05

2.54E-08

1

1.00E-03

8.33E-05

2.78E-05

1.58E-08

in

2.54E+08

2.54E+04

25.4

2.54

0.0254

2.54E-05

1,000

1

0.0833

0.0278

1.58E-05

ft

3.05E+09

3.05E+05

304.8

30.48

0.3048

3.05E-04

1.20E+04

12

1

0.3333

1.89E-04

yd

9.14E+09

9.14E+05

914.4

91.44

0.9144

9.14E-04

3.60E+04

36

3

1

5.68E-04

mile

1.61E+13

1.61E+09

1.61E+06

1.61E+05

1,609.3

1.609

6.34E+07

6.34E+04

5,280

1,760

1

Multiply row (units) by the corresponding value to obtain column (units) (e.g., 2 in x 2.54 = 5.08 cm).

AREA

mm²

cm²

m²

in²

ft²

acre

mm²

1

0.010

1.00E-06

1.55E-03

1.08E-05

2.47E-10

cm²

100

1

1.00E-04

0.1550

1.08E-03

2.47E-08

m²

1.00E+06

1.00E+04

1

1,550.0

10.764

2.47E-04

in²

645.16

6.452

6.45E-04

1

6.94E-03

1.60E-07

ft²

9.29E+04

929.03

0.0929

144

1

2.30E-05

acre

4.05E+09

4.05E+07

4,047

6.26E+06

4.35E+04

1

VOLUME

cm³

m³

in³

ft³

liter

pint

quart

gal

fl oz

cm³

1

1.00E-06

0.0610

3.53E-05

1.00E-03

2.11E-03

1.06E-03

2.64E-04

0.0338

m³

1.00E+06

1

6.10E+04

35.311

1,000.0

2,113.3

1,056.6

264.201

3.38E+04

in³

16.390

1.64E-05

1

5.79E-04

0.0164

0.0346

0.0173

4.33E-03

0.5540

ft³

2.83E+04

0.0283

1,728.0

1

28.321

59.844

29.922

7.479

957.34

liter

1,000.0

1.00E-03

61.020

0.0353

1

2.113

1.057

0.2642

33.818

pint

473.20

4.73E-04

28.870

0.0167

0.4732

1

0.5

0.125

16

quart

946.40

9.46E-04

57.750

0.0334

0.9463

2

1

0.25

32

gal

3,785.0

3.79E-03

231.00

0.1337

3.785

8

4

1

128.04

fl oz

29.584

2.96E-05

1.805

1.04E-03

0.0296

0.0625

0.0312

7.81E-03

1

FORCE

1 N = 1 kg - m / sec²

N

dyne

kg (f)

lb (f)

N

1

1.00E+05

0.1019

0.2248

dyne

1.00E-05

1

1.02E-06

2.25E-06

kg (f)

9.810

9.81E+05

1

2.205

lb (f)

4.448

4.45E+05

0.4536

1

ENERGY

1 Joule (J) = 1 N - m = 1 W - sec

J

kj

kW-hr

cal (kg)

BtU

J

1

1.00E-03

2.78E-07

2.39E-04

9.48E-04

kJ

1,000

1

2.78E-04

0.2389

0.9479

kW-hr

3.60E+06

3,600.0

1

859.85

3,415.3

cal (kg)

4,186.8

4.187

1.16E-03

1

3.968

BtU

1,055.0

1.055

2.93E-04

0.2520

1

POWER

W = 1 N - m / sec = 1 J / sec

W

kW

BtU/min

hp

lb-ft/sec

W

1

1.00E-03

0.0569

1.34E-03

0.7375

kW

1,000

1

56.915

1.341

737.46

BtU/min

17.570

0.0176

1

0.0236

12.958

hp

745.70

0.7457

42.440

1

550.06

lb-ft/sec

1.356

1.36E-03

0.0772

1.82E-03

1

PRESSURE, MECHANICAL STRESS

Pa = 1 N / m², 1 MPa = 1 N / mm², 1 mm Hg = 1 Torr

Pa

MPa

bar

mm Hg (Torr)

atm

psi

ft H₂O

Pa

1

1.00E-06

1.00E-05

7.50E-03

9.87E-06

1.45E-04

3.35E-04

MPa

1.00E+06

1

10

7.50E+03

9.870

145.03

334.5

bar

1.00E+05

0.1

1

750.00

0.9870

14.503

33.450

mm Hg (Torr)

133.32

1.33E-04

1.33E-03

1

1.32E-03

0.0193

0.0446

atm

1.01E+05

0.1013

1.013

760.00

1

14.697

33.898

psi

6,895.0

6.90E-03

0.0690

51.715

0.0680

1

2.307

ft H₂O

2,989.0

2.99E-03

0.0299

22.420

0.0295

0.4335

1