Tip Calculator — Split Bills, Custom Tip %, Per-Person Total (Free)
Calculate restaurant tip and split the bill across any group size. Custom tip percentages, rounding, per-person totals. Free, instant.
About Tip Calculator
A tip calculator computes the gratuity on a restaurant or service bill at a chosen percentage, optionally splits the total across a group, and rounds the per-person amount to a clean number. The ZTools Tip Calculator handles US-style tipping (15–25%) plus custom percentages for any country, supports any group size with even splits, shows pre-tip subtotal, tip amount, and final per-person total in real time, and lets diners round up to a friendly number rather than awkward $13.47 fractions.
Use cases
- Splitting dinner bills among friends. A $187 bill across 4 people at 18% tip = $55.16 each. Faster than passing a phone calculator around the table, and avoids the awkward "I had less" debate.
- Tipping correctly while traveling abroad. Set custom percentages — 10% in many European countries, 15% in Mexico, no tipping in Japan. The calculator adapts; the diner doesn't have to remember conventions.
- Generous tipping for great service. Slide to 22% or 25% with a single tap. Pre-set quick buttons (15/18/20/25%) make adjusting the tip during the meal effortless.
- Business meals with expense reports. Capture the exact subtotal, tip, and total to enter on a reimbursement form. Copyable totals keep expense logs accurate.
How it works
- Enter the bill amount. Type the pre-tip subtotal (or the post-tax amount, depending on whether you tip on pre-tax or post-tax — both are common).
- Pick a tip percentage. Quick buttons for 15%, 18%, 20%, 25%, or type a custom percentage. The tip amount updates instantly.
- Choose the split count. How many people are sharing? 1 (no split), 2, 3, 4… The per-person amount divides evenly.
- Round up if you want to. Hit "round up" to bump the per-person total to the next whole dollar — no scribbled-out receipts.
Examples
Input: Bill: $87.50, Tip: 20%, Split: 3
Output: Tip: $17.50 | Total: $105.00 | Per person: $35.00
Input: Bill: $124.30, Tip: 18%, Split: 2
Output: Tip: $22.37 | Total: $146.67 | Per person: $73.34
Input: Bill: $42.10, Tip: 15%, Split: 1
Output: Tip: $6.32 | Total: $48.42
Single diner — no split.
Frequently asked questions
Should I tip on the pre-tax or post-tax amount?
Both are common in the US. Post-tax is more generous and increasingly the default; pre-tax is technically more "correct" since tax isn't a service. Most diners just tip on the total and don't worry about it.
What's a normal tip percentage in the US?
Sit-down restaurants: 18–22% is standard, 15% is the minimum, 25%+ for excellent service. Bartenders: $1–2 per drink. Delivery: 15–20%. Coffee shops and counter service: rounding up or 10–15%.
How do I split unevenly?
For uneven splits, calculate each person's subtotal first, then apply the same tip percentage to each. The simple split mode in this calculator divides evenly; for itemized splits, use the Bill Splitter tool.
Why does the tip change when I round?
Rounding adjusts the per-person total to a whole number; that nudges the implied tip up by a few cents. The displayed effective tip percentage updates so you can see the actual gratuity.
Should I tip on alcohol?
Yes, in the US — bartenders and waitstaff are tipped on the full bill including alcohol. Some diners tip slightly less on a heavy wine bill, but full-bill tipping is the norm.
Pro tips
- Round up the total, not the per-person amount, when splitting — keeps everyone's share even.
- In the US, tip cash for great service even when paying by card; servers often see card tips weeks later.
- For deliveries, 15% or $5 minimum (whichever is more) is a good baseline.
- Travel: a quick search for "tipping in [country]" before a trip avoids both undertipping and overtipping.
Reviewed by Ahsan Mahmood · Last updated 2026-05-05 · Part of ZTools.
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