How to Calculate Tips: A Guide to Tipping Etiquette
Calculating tips quickly and fairly doesn't have to be awkward. Whether you're at a restaurant, in a cab, or getting a haircut, understanding tipping norms makes the experience smoother for everyone.
The Standard Tipping Formula
The simplest method: multiply your pre-tax bill by your tip percentage. For 20% on a $85.00 bill: $85 × 0.20 = $17.00. For quick mental math, find 10% (move the decimal left one place: $8.50) then double it for 20%: $17.00.
Tipping by Situation
Restaurant servers: 15–20% for standard service, 20–25% for excellent. Delivery: 10–15% or $3–5 minimum. Bartenders: $1–2 per drink or 15–20% on a tab. Hair/nail salons: 15–20%. Hotel housekeeping: $2–5 per night. Moving crew: $20–50 per mover. Taxi/rideshare: 10–20%.
Splitting the Bill
When splitting evenly, divide (total + tip) by the number of people. For uneven splits, calculate each person's subtotal, apply the same tip percentage to each, then sum. Our bill splitter handles both scenarios and can adjust for different tip amounts per person.
Should You Tip on Pre- or Post-Tax?
Technically, tips are on pre-tax amounts — servers are taxed on their earnings, not on tax you pay to the government. In practice, the difference is small (~8–10%), and many people simply tip on the total for convenience.
Try the Tip Calculator & Bill Splitter
Calculate tip amount and split the bill evenly with quick-select tip percentage buttons.
Open Calculator →Frequently Asked Questions
Is it rude not to tip in the US?
In the US, tipping for service is customary and most service workers earn below minimum wage with tips expected to make up the difference. Not tipping for standard service is considered poor etiquette.
How do I tip when service was bad?
If the issue was kitchen-side (slow food, wrong order), tipping normally is appropriate — the server didn't control it. If service itself was poor, a reduced tip (10%) signals dissatisfaction without being punitive.
Should I tip on takeout orders?
Tipping on takeout is increasingly common but remains optional. A 10–15% tip acknowledges effort on large or complex orders. Counter service with tip prompts on screens: tipping is optional but appreciated.