Gratuity Calculator | How to Calculate Gratuity Amounts

Yes, gratuity and tip are synonymous. Both refer to a voluntary extra payment for service workers. Some restaurants include an automatic gratuity for large parties.

The most common convention in the US is to tip on the pre-tax subtotal. However, tipping on the total after tax is also acceptable and simpler to calculate.

For sit-down restaurants in the US, 15-20% is standard. 15% is considered acceptable, 18% is common, and 20% or more signals excellent service.