How do I calculate a 20% tip?

Multiply the bill amount by 0.20 to get 20% tip. Example: $45.00 × 0.20 = $9.00 tip. Total = $54.00.

Should I tip on the pre-tax or post-tax amount?

Traditionally, tip is calculated on the pre-tax amount. However, tipping on the post-tax total is also common and acceptable, especially if you round up for convenience.

How do I split a bill evenly?

Add the tip to the total bill, then divide by the number of people. This calculator does that automatically — just enter the number of people and it shows each person's share.

Is this tip calculator free?

Yes, 100% free. No signup, no registration required. All calculations happen instantly in your browser.

Can I use a custom tip percentage?

Yes! Select the 'Custom' option and type any tip percentage you want — the calculator instantly updates all values.

How does bill rounding work?

The round-up feature rounds each person's share to the nearest dollar, making cash payments easy. The difference becomes extra tip for the server.

Free Tool · No Signup

Tip Calculator 💵

Calculate the perfect tip and split the bill evenly among any number of people. Supports custom tip percentages with instant results.

Bill Amount

Number of People

Tip Percentage

Round up per person — easier for cash payments

Tip Amount

—

Total Bill
—
bill + tip

—

Original Bill

—

Tip / Person

—

People

👤

Each person pays

bill share + tip

—

Related Tools

How to Use the Tip Calculator

Enter Your Bill Amount

Type the total bill amount before tip (pre-tax or post-tax — your choice).

Choose a Tip Percentage

Select 10%, 15%, 18%, 20%, 25% or enter a custom percentage. 18–20% is standard for restaurants.

Set the Number of People

Enter how many people are splitting the bill. Default is 1 (no split).

View Instant Results

See tip amount, total bill, and exactly how much each person owes — with optional round-up for easy cash payments.

Standard Tipping Guide

Not sure how much to tip? Here's a quick reference for common service situations in the US:

Service Type	Recommended Tip	Notes
Sit-down Restaurant	15–20%	Standard. 20%+ for excellent service.
Fast Casual / Takeout	0–10%	Optional. Round up or skip.
Food Delivery	15–20%	Always tip — drivers use personal vehicles.
Bar / Bartender	15–20%	Or $1–2 per drink minimum.
Hair Salon / Barber	15–20%	For good service; 25% for great.
Taxi / Rideshare	10–15%	15–20% for long trips or helpful drivers.
Hotel Housekeeping	$2–5/night	Leave daily — staff may change each day.
Spa / Massage	15–20%	Based on service price before tax.

How is a Tip Calculated?

Tip Amount = Bill Amount × (Tip % ÷ 100). Total Bill = Bill Amount + Tip Amount. Per Person = Total Bill ÷ Number of People.

Pre-Tax vs Post-Tax Tipping

Technically, tips are calculated on the pre-tax subtotal. In practice, most people tip on the full post-tax amount — either is acceptable. The difference on a $50 bill is less than $2, so tip on whichever amount is easier.

Why Use a Tip Calculator?

Mental math at the end of a meal is stressful. This calculator removes the guesswork, ensures fairness when splitting, and lets you quickly explore different tip percentages to see the actual dollar difference.

Frequently Asked Questions

In the US, 15–20% is standard for sit-down restaurants. 18% is average, 20% is good service, and 25%+ is for exceptional service. For takeout, 10% is common but optional.

Move the decimal point one place left (10%), then double it (20%). Example: $45.00 → $4.50 → $9.00 tip. Total = $54.00. Or just use this calculator!

Traditionally, tips are calculated on the pre-tax subtotal. However, tipping on the post-tax amount is also widely accepted. The difference is small and servers appreciate generosity either way.

Enter the total bill amount and number of people. The calculator adds the tip to the bill and divides evenly. Toggle "Round up per person" to get a whole-dollar amount per person — the difference goes to extra tip.

Yes! Click the "Custom" button and enter any tip percentage — the calculator updates all values instantly, including per-person amounts.

Yes, 100% free. No signup, no registration, no ads in the way. All calculations run instantly in your browser — no data is sent anywhere.

When enabled, each person's share is rounded up to the nearest whole dollar. For example, if each person owes $18.73, they each pay $19.00. The extra goes to the server as additional tip — great for cash payments.