Nobody wants to do check math at the table. Enter the subtotal, tax, and tip — split it evenly or itemize who ordered what.

Bill Split Calculator — Split the Check Fairly with Tax & Tip | Free Online Tool

Bill Split Calculator: Split the Check Fairly, Down to the Penny

No more awkward “who owes what” at the table. Enter the subtotal, sales tax and tip once, split it evenly or item-by-item for uneven shares, and hand everyone a number backed by a math breakdown they can see.

Bill subtotal (before tax)

Sales tax

Tip percentage

Number of people

Rounding

100% private

Everything is calculated in your browser. Your bill details never leave your phone.

No signup needed

No account, no app download — open the page and split the check in seconds.

Free forever

Unlimited splits, every feature included, no paywall after the fifth bill.

How to split a bill in 3 steps

1Enter the check details
Type the subtotal, add sales tax (as a percent or the dollar amount printed on the receipt), and pick a tip — tap a quick-pick button or type your own.
2Choose even or itemized
Pick Split Evenly and enter the headcount, or switch to Uneven / Itemized and list what each person actually ordered for shares that match reality.
3Share the result
Everyone sees their exact share plus the full math breakdown — subtotal, tax, tip and total — so nobody has to take your word for it.

Why this bill splitter beats mental math

Tax as % or $

Receipt already lists the tax? Enter the dollar amount directly. Otherwise type your state’s sales tax percent and let it compute.

True uneven splits

Itemize each person’s pre-tax share and tax plus tip are divided proportionally — the salad-and-water friend pays fairly.

Round-up option

Round every share up to the nearest dollar to cover the valet or just keep change simple; the overage is shown honestly.

Visible math

Every result shows the full breakdown line — no black box, no “trust me” — so the whole table agrees.

Tip quick-picks

One-tap 15%, 18%, 20% or 25% buttons cover every US dining scenario, from lunch to a great dinner.

Works at the table

Fast, mobile-first and fully offline-capable — pull it up on your phone before the server brings the check.

Bill splitting questions, answered

Should the tip be calculated before or after tax?

US etiquette is to tip on the pre-tax subtotal, and many restaurants print a suggested-tip guide based on it. This calculator computes the tip on subtotal plus tax — the figure most bill-split apps use and the one that avoids underpaying when tax is rolled into menu prices. For a $120 subtotal with 8% tax and a 20% tip: ($120.00 + $9.60 tax) × 20% = $25.92 tip, $155.52 total.

How do uneven splits work?

List each person’s pre-tax share — what they actually ordered. Tax and tip are then divided in the same proportions as those shares. If Alex’s items total $40 of a $120 subtotal, Alex covers one-third of the tax and tip too. The shares always add up to the full total.

What is the round-up option for?

It rounds each person’s share up to the next whole dollar — handy when cash is changing hands or you want to leave a little extra. The calculator shows the rounded shares, the overage, and what the overage covers.

Does this handle happy-hour discounts or coupons?

Yes — just enter the discounted subtotal from the receipt. Standard etiquette is to tip on the pre-discount amount, so consider bumping the tip percent a little when a coupon shrank the bill.

How is this different from a tip calculator?

A tip calculator only computes the gratuity. This tool goes further: it combines subtotal, tax and tip into a grand total, then splits it evenly or itemized, with rounding options and a share-by-share breakdown.

Is my bill data stored anywhere?

No. All math runs locally in your browser with JavaScript — nothing is sent to a server, saved, or tracked.