Enter a bill amount above zero to calculate the tip.
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The tip is calculated as a percentage of the pre-tax bill amount. In the US, tipping 15–20% of the subtotal before tax is standard for table service.
Tip = Bill Amount × (Tip % ÷ 100)When splitting the bill, divide the total (bill plus tip) evenly among the number of diners.
Per Person = (Bill + Tip) ÷ Number of PeopleThe Tip Calculator applies industry-standard financial equations used by lenders, accountants, and planners. All intermediate values are computed with floating-point precision and rounded only for display.
Result = f(principal, rate, period, …)Updated: July 2026
A group of four friends splits a $120 restaurant bill with an 18% gratuity.
→ Tip: $21.60, total: $141.60, $35.40 per person
A solo diner wants to leave a generous 20% tip on a quick-service lunch.
→ Tip: $4.90, total: $29.40
A homebuyer runs the Tip Calculator with two interest rates side by side to compare total interest paid over 30 years before choosing a lender.
Standard practice in the US is to calculate tip on the pre-tax subtotal. Tipping on tax inflates the gratuity unnecessarily.
When splitting evenly, divide the total including tip — not just the food subtotal. Each person should cover their share of both bill and gratuity.
Quickly figure out how much to tip and what each person owes when dining out. Enter your bill amount, choose a tip percentage, and optionally split the total among your group for a fair, stress-free checkout.