Is 300,000 nanograms as heavy as a Nail?
It's about one-two-thousand-five-hundredth as heavy as a Nail
The weight of a Nail is about 790,000,000 nanograms.
(for 15-gauge, 2-inch, finishing nails)
A two-inch finishing nail weighs 790,000,000 nanograms. Nails have been in use for more than 5,400 years and were ven used as a medium of exchange in ancient times.
There's more! See other comparisons to 300,000 nanograms...