For instance (for US tablespoon):
1 tablespoon of water weighs 14.79 grams
1 tablespoon of table salt weighs 18.25 grams
1 tablespoon of butter weighs 14.19 grams
1 tablespoon of oil (canola or soy) weighs 13.62 grams
1 tablespoon of sugar (granulated) weighs 12.5 grams
1 tablespoon of sugar (brown) weighs 13.8 grams (packed)