Bill Splitter & Tip Calculator
Calculate tip and split a restaurant or group-event bill evenly across N people. US standard 15/18/20/25% presets. Free, no signup.
Tip + Bill Splitter
Calculate tip on a restaurant bill and split evenly across the group. US convention: tip on pre-tax subtotal at 15/18/20% depending on service quality. Quick presets for common scenarios.
How to Use the Tip + Bill Splitter
Enter the pre-tax subtotal
Most US restaurant bills show subtotal separately from tax. Use the pre-tax amount — that's the US convention for tip calculation.
Pick a tip percentage
US service-quality conventions: 15% = adequate, 18% = good, 20% = standard for sit-down restaurants in major cities, 22-25% = exceptional. Counter service: 10-15% optional. Bartender tip: USD 1-2/drink or 15-20% of tab.
Enter number of people
Quick presets for 2, 3, 4, 6, 8 are common for typical dining groups. The tool divides the total (subtotal + tax + tip) evenly.
Optionally round up per person
"Round up" makes per-person amounts whole dollars — useful for Venmo / Cash App splitting where exact-cent amounts are awkward. Excess goes to the tip (effectively a bigger tip via rounding).
US Tipping — The Math and the Norms
The US Tip Convention: 15-20% on Pre-Tax Subtotal
US restaurant tipping operates on a 15-20% pre-tax convention that has drifted upward over the decades, and 20% is now the everyday figure for adequate sit-down service in most large cities. Counter-service payment screens increasingly prompt for a tip as well, often with 18-25% defaults. The reason the convention is so sticky is the wage structure: under the federal Fair Labor Standards Act an employer may pay a tipped employee a cash wage of USD 2.13 an hour and count up to USD 5.12 of tips towards the USD 7.25 minimum (US Department of Labor, Wage and Hour Division); if tips fall short the employer must make up the difference. The Bureau of Labor Statistics counted about 2.28 million waiter and waitress jobs in 2025, at a median wage of USD 16.94 an hour including tips.
The math: tip on pre-tax subtotal at 20% means a USD 85 bill produces USD 17 tip. Adding 8.5% sales tax (USD 7.23) gives a total of USD 109.23 for a USD 85 meal — a 28% markup over the menu price. This is structural to the US dining model and contributes to perceptions among visitors that US dining is more expensive than the menu suggests. Europe and most of Asia bake service charges into menu prices, producing cleaner total numbers.
Pre-Tax vs Post-Tax Tipping
The US convention is to tip on pre-tax subtotal. The reasoning: the tax goes to the government, not the server, so the server's compensation shouldn't be inflated by the tax. Some POS systems (especially fast-casual screens) default to post-tax tip calculation, slightly inflating the tip. In high-sales-tax states (CA 9-10%, NY 8-9%) the difference can be meaningful — USD 1-3 per typical bill. Most servers don't care which basis you use, but pre-tax is the canonical answer if asked.
For very large bills (parties of 6+, business dinners), restaurants often add an automatic gratuity of 18-20%. Shown on the bill as "service charge" or "gratuity", it is legally a charge set by the restaurant rather than a tip: IRS Revenue Ruling 2012-18 treats a mandatory amount the customer cannot vary as non-tip wages when passed to staff, with different payroll-tax and reporting treatment. Don't double-tip on top of automatic gratuity unless you genuinely want to give more for exceptional service.
"A USD 85 meal at 8.5% sales tax + 20% tip = USD 109.23. The tip + tax together adds 28% to the menu price. This is structural to the US dining model — Europe and Asia bake service into menu prices instead."
Splitting Across Multiple People
The cleanest split is even — total ÷ N people. For groups where some ordered more than others, use the Restaurant Bill Splitter (sister tool) which divides per-item rather than evenly. For mixed-quality dining groups (cocktails plus food vs food-only), the per-item approach prevents the "I had a salad and you had steak" frustration. Both approaches add tip + tax proportionally; the difference is whether the underlying food costs are split evenly or per-item.
Payment apps have made splitting frictionless, but cash groups still exist, and for them the round-up-per-person option produces clean dollar amounts that work with US notes (USD 1, 5, 10, 20). Mixed cash/app groups should agree the split mechanism before the bill arrives.
Where the rounding goes
When you round each share up to the next dollar, the group pays slightly more than the bill. The tool shows that surplus on its own line ("Rounding adjustment") and the actual total collected, so nobody has to guess where the extra cents went — hand the surplus over as tip. On the default USD 85 bill at 8.5% tax and 20% tip split four ways, the exact share is USD 27.31; rounding up to USD 28 adds USD 2.77 across the table. The tip line itself always uses the pre-tax subtotal — the convention etiquette guides such as the Emily Post Institute recommend — and if your group tips on the post-tax figure instead, enter a slightly higher tip percentage to match.
The tipped minimum wage has been USD 2.13 since 1991
US federal tipped cash wage: USD 2.13/hour, unchanged since 1991, with a maximum tip credit of USD 5.12 against the USD 7.25 minimum (US Department of Labor). Employers must make up any shortfall.
The Bureau of Labor Statistics counted 2.28 million waiter and waitress jobs in 2025, with a median wage of USD 16.94 an hour including tips.
Standard US tip on pre-tax: 15% adequate, 18% good, 20% standard, 22-25% exceptional.
European restaurants typically bake service into menu prices; 5-10% tip is generous, 0% is fine if service was poor.
Japan and most of Asia consider tipping insulting — the service is included in the price.
Singapore restaurants add 10% service charge + 9% GST (the GST rate since 1 January 2024, IRAS) automatically — no additional tip expected.
US large-group automatic gratuity (typically 18-20% for parties of 6+) is a "service charge", not a tip — IRS Rev. Rul. 2012-18 treats it as non-tip wages.
Bartender tipping: USD 1-2 per drink, or 15-20% of tab for full bar service.
Rounding up each share to the next dollar puts the surplus on the table — this tool reports it separately so it can be handed over as tip.
Counter-service tip prompts on payment screens, often defaulting to 18-25%, spread widely in the 2020s — the trend commonly called "tipflation".
Frequently Asked Questions
- Pre-tax is the US convention. The reasoning: tax goes to the government, not the server. Most US POS systems default to pre-tax tip calculation. Some fast-casual screens default to post-tax — a small (1-2%) inflation that adds up across years of dining. Either is socially acceptable; pre-tax is the canonical answer if asked.
- 20% is the modern US default for adequate-to-good sit-down service. 18% if service was below expectations; 22-25% for exceptional. 15% was the older convention. One reason the norm drifted upward is that the federal tipped cash wage has been frozen at USD 2.13 an hour since 1991 (US Department of Labor, Wage and Hour Division), so the tip carries more of the server's pay than it once did. In high-cost cities 20% is now the practical baseline.
- Optional. The "tipflation" trend of fast-casual POS screens prompting 18-25% tips is widely resented but increasingly common. Acceptable practice: 0-5% for counter pickup, 10-15% if there's table delivery or extensive customisation. Don't feel pressured by the screen — the worker's wage doesn't depend on your tip the way it does in sit-down restaurants.
- 15-20% of pre-tax food cost, or a few dollars minimum for short deliveries. Delivery drivers are paid per job and depend heavily on tips. Tipping in-app or in cash both work; check the app's own statement of how tips reach the driver.
- Generally no, unless service was exceptional. Large-group auto-gratuity (18-20%) is typically already the standard tip rate. Adding another 20% on top brings effective tip to 36-40% — generous if intentional, accidental if reading too quickly. Look for "Gratuity" or "Service Charge" lines on the bill before adding additional tip. The auto-gratuity is a service charge — IRS Rev. Rul. 2012-18 classes it as non-tip wages — but functionally serves the same purpose.
- This tool splits the total bill EVENLY across N people. The Restaurant Bill Splitter divides PER-ITEM — useful when some people ordered more or different items. For uneven dining groups (one person had a steak, another had a salad), use the per-item splitter. For groups where everyone shared roughly equally (group dining family-style, large drinking party), the even split is faster.
- Server preference varies. Either works. A card tip can legally be reduced by the credit-card company's percentage charge on that tip: US Department of Labor Fact Sheet #15 permits the employer to deduct it, provided the deduction never takes the employee below the minimum wage. A cash tip avoids that deduction and reaches the server the same night. Servers must report all tips for tax purposes either way, and card tips are reported automatically. The deduction rule is worth knowing, but it is not a reason to change what you tip.
- European restaurants typically bake service into menu prices. Tipping is optional — 5-10% is generous, 0% for poor service is socially acceptable. Many European servers earn standard wages independent of tips, unlike US where tipped minimum wage is USD 2.13/hr. French / Italian restaurants often have "service compris" on the bill explicitly stating service is included. UK is more US-influenced: 10-15% is standard at restaurants without a service charge already added.
- Singapore: most restaurants add 10% service charge + 9% GST automatically — no additional tip expected. Malaysia: similar 10% service charge convention; additional tip uncommon. Indonesia: 10% service charge + 11% VAT typical; small tip (round up the bill) appreciated but not expected. Philippines: 10% service charge common; additional tip uncommon. Thailand: no service charge convention; tipping is appreciated (5-10%) but not required. Generally ASEAN doesn't have the US-style tip-dependence — service workers earn standard wages.
- Always tip 18-20% at US sit-down restaurants — it's not optional. US servers genuinely depend on tips for their livelihood due to the USD 2.13/hr tipped minimum wage. The "10% service charge included" assumption from Singapore/Malaysia doesn't apply in the US; the bill shows subtotal + tax only. Failing to tip is considered rude and can affect future service if you return to the same restaurant. Tipping at the 15% lower bound is socially acceptable only for genuinely poor service.
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Method & sources
How it computes
Tip = pre-tax subtotal × tip %; sales tax = subtotal × tax %; bill total = subtotal + tax + tip; per person = total ÷ number of people, optionally rounded up to the next whole dollar, with the rounding surplus and the actual total collected shown separately.
What this tool implements
- US convention: tip computed on the pre-tax subtotal, not on the taxed total
- Even split only (per-item splitting is the sister Restaurant Bill Splitter)
- Round-up mode ceils each share to the next dollar and reports the surplus so it can be handed over as tip
- Context figures: FLSA tipped cash wage USD 2.13 with a USD 5.12 tip credit against the USD 7.25 minimum; IRS Rev. Rul. 2012-18 classes mandatory service charges as non-tip wages; Singapore GST 9% from 1 January 2024
Sources
- U.S. Department of Labor, Wage and Hour Division. Minimum Wages for Tipped Employees — federal FLSA cash wage USD 2.13, tip credit USD 5.12, combined minimum USD 7.25. https://www.dol.gov/agencies/whd/state/minimum-wage/tipped
- Internal Revenue Service. Rev. Rul. 2012-18 — tips versus service charges under section 3121. https://www.irs.gov/pub/irs-drop/rr-12-18.pdf
- Inland Revenue Authority of Singapore. GST rate change — 9% from 1 January 2024. https://www.iras.gov.sg/taxes/goods-services-tax-(gst)/gst-rate-change
- U.S. Bureau of Labor Statistics. Occupational Outlook Handbook — Waiters and Waitresses (2,284,400 jobs in 2025; median USD 16.94 an hour, May 2025). https://www.bls.gov/ooh/food-preparation-and-serving/waiters-and-…
What can make this go out of date
- State and federal tipped-wage tables are updated by the DOL each January and July; the federal USD 2.13 has not moved since 1991
- BLS OOH employment and wage figures refresh annually (May reference month)
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