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Guide

How to split utility bills with roommates

Utilities are the messiest shared cost: several bills, different due dates, different names on the account, and amounts that change every month. Here's a simple system that keeps it fair.

1. List every utility and how it's billed

Electric, gas, water/sewer, internet, trash, and any streaming the house shares. Note which are fixed (internet) and which swing with usage (electric, gas). Knowing which is which tells you where an even split is fine and where it might not be.

2. Spread the accounts across roommates

Don't put every bill in one person's name — split who holds which account so no single roommate is fronting all the cash and chasing everyone else. One takes electric, another internet, another water, and so on. It also spreads the credit-history benefit.

3. Default to an even split for shared utilities

For most houses, splitting each utility evenly is fair and simple — everyone benefits from heat, water, and Wi-Fi roughly equally. Use exact or percentage splits only when usage is genuinely lopsided (a home office running AC all day, or a roommate who's away half the month).

4. Handle the seasonal swings

Electric and gas spike in summer and winter. Rather than re-arguing each month, agree up front to just split the actual bill whatever it is — the person whose name is on it logs the real amount, and everyone pays their share of that month's total.

5. Reconcile everything in one place

Because different bills sit with different people, you need one running tally of who's paid what so it all nets out. That's exactly what a roommate bill splitter is for — each utility becomes a logged (often recurring) expense, and the app keeps everyone's balance square.

Put utilities on autopilot

Add each utility as a recurring bill in BILL SPILT and it's logged automatically every month, split how you chose, and folded into one who-owes-what balance — even when the bills live in different roommates' names. Free forever, no paywall.

Start splitting — free