Free Bill Split Calculator

Split any bill instantly — divide it evenly between the group or set custom amounts per person. Great for restaurants, trips, shared expenses and group events.

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Bill Split Calculator

Mr B says: For restaurants, add a tip to the total before splitting. 15–20% is standard — just multiply the bill by 1.15 or 1.20 first.

Total bill

Number of people

Split summary

Total bill—

Each person pays—

Remaining / unallocated—

⚠️ This tool is for general guidance only and is not financial advice.

Even split versus fair split

An even split — dividing the total by the number of people — works fine when everyone ordered roughly the same thing or shares the same living costs equally. It breaks down fast when one person had three drinks and someone else had a water, or when a flat's rent should be split by room size rather than headcount. That's when a custom split, with different amounts per person, is worth the extra thirty seconds.

Common bill-splitting situations

Restaurants: Even split works for most group dinners. Custom split makes sense when there's a big gap in what people ordered, or when someone doesn't drink and shouldn't subsidise the bar tab.
Shared flats: Rent is often better split by room size or by income if the group agrees, rather than strictly evenly. Utilities are usually fine split evenly unless usage is genuinely lopsided.
Group trips: Running a shared list of who paid for what, then settling up once at the end, avoids the awkwardness of everyone constantly transferring small amounts to each other.

Dealing with rounding

Splitting $100 three ways gives $33.33 with a cent left over. It doesn't matter who takes the extra cent, but it's worth agreeing on a simple rule in advance — usually whoever's paying the bill absorbs the rounding difference — so nobody spends time debating a single cent at the end of a night out.

Common questions

Bill splitting questions

How do I split a bill between friends?

Add up the total, divide by the number of people, and each person pays that amount. If people ordered very different amounts, use the custom split mode above to enter each person's share. Add a tip to the total first if applicable.

How do I include a tip in a bill split?

Multiply the pre-tip total by 1.15 for a 15% tip or 1.20 for a 20% tip, then enter the tip-inclusive total in this calculator before splitting. For example, a $120 bill with a 20% tip becomes $144, which splits to $36 per person between four people.

What's the fairest way to split a bill when people ordered different amounts?

Use the custom amounts mode and enter what each person actually ordered. Some groups prefer even splits to keep things simple — choose whichever approach avoids awkwardness for your group. For regular shared expenses like rent and utilities, even splits are generally easier to manage.

How do I split shared household bills?

For recurring household bills, divide each bill by the number of people sharing and set up a direct debit or standing order. Apps like Splitwise or just a shared notes doc work well for tracking who owes what across multiple bills over time.