Tip Calculator & Bill Splitter: Split Bills and Calculate Tips Instantly

Calculate the right tip amount and split any restaurant or group bill evenly. Add sales tax, choose a tip percentage, and instantly see what each person owes.

Mathematical Audit

Tip & Bill Split Formula

The calculator applies sales tax to your subtotal, calculates the tip on either the pre-tax or post-tax amount, then divides the grand total evenly among everyone splitting the bill.

Tax Amount = Subtotal × (Tax Rate ÷ 100)
Tip Base = Pre-Tax Subtotal OR (Subtotal + Tax Amount), depending on your tipping preference
Tip Amount = Tip Base × (Tip Rate ÷ 100)
Grand Total = Subtotal + Tax Amount + Tip Amount
Amount Per Person = Grand Total ÷ Number of People

Most etiquette guides and surveys show people tip on the pre-tax subtotal, though tipping on the post-tax total is common for convenience. Enable 'round up per person' to round each share up to the nearest whole currency unit, which slightly increases the total tip.

Operational Guide

How to Use the Tip Calculator & Bill Splitter

1

Enter the bill subtotal

Type in the pre-tax total shown on your receipt.

2

Choose a tip percentage

Pick a common rate between 10-25%, or enter a custom percentage based on your service.

3

Add sales tax (optional)

Enter the tax rate from your receipt so the grand total matches what you actually owe.

4

Set the number of people

Enter how many people are splitting the bill to calculate an even per-person share.

5

Click Calculate

Instantly see the tip amount, tax, grand total, and how much each person owes.

Real-World Scenario Example

"A group of 4 friends has a $120 pre-tax restaurant bill with 8% sales tax, and they want to leave an 18% tip calculated on the pre-tax subtotal."

Inputs

billAmount:120
tipPercent:18
taxPercent:8
numberOfPeople:4
tipOnPreTax:true

Result

Tip = $21.60, Tax = $9.60, Grand Total = $151.20, and each person pays $37.80.

Important Disclaimer

Tip and bill-splitting amounts are estimates for informational purposes only. Tipping customs vary by country, region, and service type, so always use your own judgment for service quality and local norms.

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