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?

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

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

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

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

pervect
Staff Emeritus