TetraKitsTip Calculator
Figure out the tip before the check arrives. Enter the bill amount, pick a tip rate (10–25% presets), and split evenly among your party — see tip amount, total with gratuity, and cost per person instantly.
Read: Tip Calculator Guide: Split Bills & Restaurant Gratuity →
- Free to Use
- No Signup
- Privacy Friendly
How to calculate a tip
- 1
Enter the bill
Type the pre-tax bill amount. Tip is typically calculated on the subtotal before tax in the US.
- 2
Set tip percentage
Enter a custom rate or tap a preset (15%, 18%, 20%). Standard US sit-down service is 15–20%.
- 3
Split the total
Enter how many people are paying. Read per-person cost in the results panel. For tax, try the sales tax calculator.
Tip calculation formulas
Example: $80 bill, 18% tip, 4 people → $14.40 tip, $94.40 total, $23.60 each.
Why Use This Tool?
Quick Presets
Common tip rates from 10% to 25% in one tap.
Split Bills
Divide the total evenly among any number of diners.
Restaurant Ready
Fast math at the table before the check arrives.
Private
Bill amounts stay on your device.
Frequently Asked Questions
How much should I tip at a restaurant?
In the US, 15% is minimum for sit-down service, 18% is common for good service, and 20%+ for excellent service. Tip on the pre-tax subtotal unless your local custom differs.
How is per-person cost calculated?
Total bill plus tip is divided evenly by the number of people. Example: $80 bill + 18% tip ($14.40) = $94.40 total ÷ 4 people = $23.60 each.
Should I tip on tax?
Most diners tip on the pre-tax subtotal. This calculator uses the bill amount you enter — enter pre-tax if that is your preference.
Can I split among any number of people?
Yes. Enter 1 for a solo meal or any party size. Per-person cost updates automatically.
Is this tip calculator free?
Yes. Free with unlimited calculations; bill amounts never leave your device.
Fair Tips Without Mental Math
Splitting a dinner check and calculating 18% gratuity at the table should not require a spreadsheet. Enter the bill, tap a tip preset, and see exactly what each person owes — including tip and total.
