How does Social Security calculate remaining benefits for spouse when I die?

I believe the posted above is incorrect. You can check this out easily on the ssa.gov website inder the FAQ section for survivors. A surviving spouse at full retirement age could get the FULL amount of the deceased spouse's benefits, or their own, whichever is higher. You can also call SS and ask them directly yourself.

She gets to choose between her own SS benefits or half of your benefits, whichever is higher. But not both.