What is a standard tip percentage?

In the US, 15-20% is standard for restaurants. 18% is the most common middle ground.

Do you tip on the pre-tax or post-tax amount?

Etiquette experts suggest tipping on the pre-tax amount, though many people tip on the total for convenience.

Tip Formula on CalcAll — free educational content with detailed examples.

What is a standard tip percentage?: In the US, 15-20% is standard for restaurants. 18% is the most common middle ground.
Do you tip on the pre-tax or post-tax amount?: Etiquette experts suggest tipping on the pre-tax amount, though many people tip on the total for convenience.