Roommate Expense Splitter

Track shared groceries, household supplies, and utility runs. Automatically simplifies debts into the minimum number of Venmo payments.

1. Household Roommates3 roommates
2. Log New Shared Expense
Quick Entry
$
3. Recent Expenses1 expense
Settlement MatrixMinimized Debt

Who Pays Who

Net Balances

All calculations run locally in your browser. No receipts or private figures leave your computer.
Household Finance Guide

How to Manage Shared Roommate Expenses

Micro-expenses like paper towels, olive oil, and laundry detergent cause surprising friction. Here is how to keep things effortless.

The Shared Staples Strategy

Having 4 different bottles of dish soap and 4 separate rolls of foil clutters your kitchen. Follow the Shared Staples framework:

✅ Always Share in Common
  • Paper towels, napkins, toilet paper
  • Dishwasher pods, dish soap, sponges
  • Trash bags, recycling bags, compost bags
  • Basic cooking spices, salt, olive oil
  • Mops, brooms, vacuum bags
❌ Always Buy Individually
  • Personal groceries, meats, prepared meals
  • Specialty snacks, sodas, alcohol
  • Personal shampoos, soaps, toiletries
  • Personal bedroom furniture & storage

Roommate Expense FAQs

How does the debt simplification algorithm work?

Instead of everyone sending individual Venmo payments for every single carton of milk or cleaning spray, our algorithm calculates each roommate's net balance across all shared purchases. It then matches the biggest debtor with the biggest creditor, minimizing total transactions down to the fewest possible payments.

Which household items should roommates share vs buy separately?

Share bulk communal goods: toilet paper, paper towels, trash bags, dishwashing detergent, hand soap, cooking oil, salt, and pepper. Buy personal foods, premium snacks, alcohol, and specialty hygiene products individually.

How often should roommates settle shared expenses?

Most successful shared households settle once a month, typically on the first Sunday of the month or the day after rent is paid. This prevents debts from lingering and becoming awkward.

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