# How to split groceries with roommates

Canonical URL: https://www.evenoutapp.com/guides/how-to-split-groceries-with-roommates
Updated: 2026-10-06

Decide first what counts as shared. For shared food, one person buys and logs the receipt, and everyone splits it equally, or splits it after personal items come off the top. On a $186.40 receipt with $24.10 and $18.75 of personal items, three roommates pay $71.95, $66.60 and $47.85.

Key points:
- Five workable systems: everyone buys their own, a monthly staples kitty, one shopper with equal receipts, personal items off the top, and rotating weeks.
- On a $186.40 receipt with $24.10 and $18.75 of personal items, the shared $143.55 is $47.85 each, so the three pay $71.95, $66.60 and $47.85.
- A simple test for shared food: if you would not mind a roommate eating it, it is shared. Everything else is personal.
- In EvenOut, By item and Exact amounts are free, by hand. Receipt scanning is part of EvenOut Pro.

## What counts as shared groceries?

Decide this before you pick a system. A simple test: if you would not mind a roommate using it, it is shared. Milk and rice are shared. A special diet food or a snack you bought for yourself is personal, and so is anything bought for one person's guest.

Write the shared list down once, and keep it short. Borderline items are where disagreements start, so name them.

## Which system should you use?

Here are five systems, each with the money worked out for three roommates, Dara, Eli and Fay.

- **Everyone buys their own.** No money moves. This fits roommates with different diets and schedules who rarely cook together. The cost is duplication, with three jars of the same sauce in one fridge, and you still need a rule for shared items such as cooking oil.
- **A monthly staples kitty.** Each person adds $45 on the 1st, so $135 in total, and one person buys the staples. If the month's staples cost $128.40, $6.60 is left over. Refund $2.20 each, or carry it over so that each person adds $42.80 next month. This works when the weekly staples are steady, and it needs one person everyone trusts to hold the money and keep the receipts.
- **One shopper, receipts split equally.** The shopper buys, logs the receipt and the others repay them. A $186.40 receipt split three ways is $62.13 for two people and $62.14 for the third. It fits roommates who eat the same food.
- **Personal items off the top.** One receipt, with each person's own items removed before the rest is split. It fits one shared shop where people also buy a few things for themselves, because nobody pays for another person's items. The worked example below shows it.
- **Rotating weeks.** Each roommate shops and pays for a week. Say the weeks cost $150, $190 and $140, which is $480, so $160 each. Dara spent $150 and owes $10, Eli spent $190 and is owed $30, and Fay spent $140 and owes $20. Weeks rarely cost the same, so log every receipt instead of assuming it evens out.

## How do you split one receipt with personal items?

Say the receipt is $186.40. Dara's own items on it come to $24.10 and Eli's come to $18.75. Fay has none.

1. **Take the personal items off.** $186.40 minus $24.10 minus $18.75 leaves $143.55 of shared groceries.
2. **Split the shared part three ways.** $143.55 ÷ 3 = $47.85 each.
3. **Add each person's own items back.** Dara pays $47.85 + $24.10 = $71.95. Eli pays $47.85 + $18.75 = $66.60. Fay pays $47.85.

| Roommate | Personal items | Share of $143.55 | Pays |
|---|---|---|---|
| Dara | $24.10 | $47.85 | $71.95 |
| Eli | $18.75 | $47.85 | $66.60 |
| Fay | $0 | $47.85 | $47.85 |
| Total | $42.85 | $143.55 | $186.40 |

The check is that the three payments add up to the receipt: $71.95 + $66.60 + $47.85 = $186.40. If the shopper is Dara, Eli and Fay repay Dara $66.60 and $47.85, and Dara's own $71.95 is already paid.

## How do you choose a system?

Match it to how the household actually eats.

- **You cook separately most nights.** Everyone buys their own, with a short shared list for oil, salt and the like.
- **You share a few staples but cook alone.** Use the kitty, or log only the staples as equal receipts.
- **You cook and eat together.** Use one shopper with equal receipts, and rotate the shopper so the same person is not always fronting the money.
- **You eat together but people add extras.** Take personal items off the top. A divider on the belt at the till helps: the shared goods ring up as one purchase and each person's extras ring up on their own, so there is nothing to sort out afterwards.

## What about guests and takeout?

A guest's food is the host's cost unless the group agreed otherwise. A takeout order for the house goes in as its own expense, split among the people who ate. A $48 order for three people is $16 each, and a roommate who did not eat is left out of that one. Keep takeout out of the grocery receipts, so the grocery total stays about the food you cook.

## How do you enter it in EvenOut?

There are two free ways, both by hand. In both, type "Groceries" in "What was this for?" and EvenOut guesses the Groceries category from the description.

- **By item.** Open the split chip, choose "By item" and add three lines: "Shared groceries" at $143.55 with all three people chosen, "Dara's items" at $24.10 with Dara chosen, and "Eli's items" at $18.75 with Eli chosen. Each line splits evenly among the people chosen on it, and the items must add up to the total. The pill reads "All assigned" at $186.40. EvenOut does not show each person's total while you build the lines, so check them against the table above. The expense page then shows each person's amount, not the lines, so attach a photo of the receipt under "Photo, repeat, pending or note" if you want the receipt kept with the expense.
- **Exact amounts.** Choose "Exact amounts" and type $71.95, $66.60 and $47.85. The pill reads "All assigned" when they match the total. This one needs you to do the sum first.

If you run a kitty, note that EvenOut tracks who owes whom and does not hold money. Log each staples receipt as a normal expense split equally if you want a record.

Receipt scanning is part of EvenOut Pro, which costs $9.99 a month or $79.99 a year. It reads the store, the lines, the tax and the total from a photo, and every item starts split equally. You tap each personal item and choose whose it is, and tax is split in proportion to each person's items.

## What should you do next?

Pick one system, write the shared list and agree a settle day. The [grocery bill split calculator](https://www.evenoutapp.com/tools/grocery-bill-split-calculator) runs a split on your own numbers. [What expenses roommates should split](https://www.evenoutapp.com/guides/what-expenses-should-roommates-split) puts groceries next to rent, bills and supplies, and the [roommate expense tracker template](https://www.evenoutapp.com/templates/roommate-expense-tracker-template) works if you would rather keep the ledger on paper.

## Frequently asked questions

### What if a roommate is away for part of the month?

Leave them out of the staples that month. In EvenOut, tap their name on the equal split to mark them "Not in". On $60 of staples with one of three roommates away, the other two pay $30 each. Their absence only matters for shared food, because personal items are theirs anyway.

### What if one roommate eats much more of the shared food?

Give them more shares. On $150 of shared groceries, shares of 2, 1 and 1 make 4 shares at $37.50. The heavy eater pays $75 and the other two pay $37.50 each. Agree the ratio before the shopping starts, not after.

### How often should roommates settle grocery balances?

Monthly, on a set day, is enough for most households. If one person is shopping much more often than the others, settle when their balance reaches a figure you agree, such as $50, so nobody is carrying a large amount for weeks.