Math Calculators
Tip Calculator
Calculate the perfect tip for restaurants, bars, delivery, and services. Enter your bill amount and choose your tip percentage.
Formula
Tip = Bill Γ Percentage / 100
About This Calculator
What It Does
Calculate how much to tip based on your bill amount and preferred percentage. Enter the bill total, choose a tip percentage (or enter a custom amount), and see the tip amount and grand total. The calculator also supports splitting the bill among multiple people β perfect for group dining.
Worked Example
Example 1 β Standard tip: A $50 bill with 15% tip. Tip = $50 Γ 15 Γ· 100 = $7.50. Total = $50 + $7.50 = $57.50. Example 2 β Split bill: A $120 bill with 20% tip, split among 4 people. Tip = $120 Γ 20 Γ· 100 = $24. Total with tip = $144. Each person pays $144 Γ· 4 = $36. Example 3 β Custom tip: A $75 bill with an $11 tip (about 14.7%). Tip is entered directly, percentage is calculated automatically.
Real-World Usage
Use at restaurants, bars, and cafes. Calculate tips for delivery and takeout. Split tips among group dining. Taxis, salons, spa services, hotel staff all commonly receive tips. Know exactly what to tip in any situation without mental math. Useful for business expense reports where tip percentage must be documented.
Local Context
Tipping customs vary: US and Canada expect 15-20% at restaurants. In the EU, service is often included in the bill (service compris). Japan considers tipping rude or confusing. Australia and New Zealand have no tipping culture for standard service. UK restaurants often add a discretionary service charge of 10-12.5%. When traveling, check local customs to avoid over-tipping or offending.
Last reviewed: May 2026.
Frequently Asked Questions
What is the standard tip percentage?
In the US, 15-20% is standard for restaurant service. 15% for adequate service, 18% for good service, 20%+ for excellent service. Other countries have different norms β in Japan tipping is not customary.
Should I tip on the pre-tax or post-tax amount?
Tipping on the pre-tax amount is more common and mathematically cleaner. However, many people tip on the total bill including tax. Our calculator lets you choose either method.
How do I calculate a tip in my head?
A quick method: calculate 10% by moving the decimal point one place left, then double it for 20%. For 15%, calculate 10% then add half of that amount.