Units and symbols - The Solid Earth - page 641

Thermal conductivity

1Wm − 1 ◦ C − 1 = 2.389 × 10 − 3 cal cm − 1 s − 1 ◦ C − 1

1 cal cm − 1 s − 1 ◦ C − 1 = 4.18 × 10 2 Wm − 1 ◦ C − 1

Specific heat
1Jkg − 1 ◦ C − 1 10 − 4 cal g − 1 ◦ C − 1 = 2.389 ×

1 cal g − 1 ◦ C − 1 10 3 Jkg − 1 ◦ C − 1 = 4.18 ×

Latent heat
1Jkg − 1 10 − 4 cal g − 1 = 2.389 ×

1 cal g − 1 10 3 Jkg − 1 = 4.18 ×

Diffusivity

1m 2 s − 1 = 10 4 cm 2 s − 1

1cm 2 s − 1 = 10 − 4 m 2 s − 1

Temperature

degrees Kelvin (K) = degrees Celsius ( ◦ C) + 273.16

Density

1kgm − 3 = 10 − 3 gcm − 3

1gcm − 3 kg m − 3

= 10 3

Dynamic viscosity

1Nm − 2

1 pascal second (Pa s) = s

10gcm − 1 s − 1 1Pas = 10 poise =

Kinematic viscosity
1m 2 s − 1 10 4 cm 2 s − 1 =

Frequency

1 hertz (Hz) = 1cycle per second

Magnetic induction

1 tesla (T) = 1kgA − 1 s − 2 = 10 4 gauss = 10 9 gamma ( )