1. Mar 12, 2008

### snoopies622

What are the appropriate units for the left half of the GR equation? Meters? square meters..? To put it another way, what exactly is being quantified?

2. Mar 12, 2008

### Mentz114

The same as the right hand side, $$\kappa T^{\mu\nu}$$

3. Mar 13, 2008

### Ich

It's a measurement of curvature, in $$m^{-2}$$.

4. Mar 13, 2008

### snoopies622

Thanks, Ich. That's the answer I was looking for.

5. Mar 13, 2008

### Ich

I guess Mentz114 just wanted to motivate you to find it out yourself. It's not difficult.

6. Mar 13, 2008

### pervect

Staff Emeritus
Note that Ich's answer assumes that geometric units are being used, which is very common, but perhaps not quite universal.

7. Mar 14, 2008

### Ich

I double-checked and found the units to be SI-consistent, as long as T is measured in J/m³.