BILL SPLITTING CALCULATOR · 2026
Split Household Bills
Calculate fair bill splits between housemates for shared accommodation.
Bill Splitting Calculator
Enter your property details and number of housemates
Fair Bill Splitting Methods
Equal Split
Divide all bills equally between housemates. Simple and fair for similar room sizes.
By Room Size
Larger rooms pay more. Calculate percentage based on bedroom square footage.
By Income
Higher earners contribute more. Common with couples or close friends.
Usage-Based
Track individual usage for energy. Works with smart meters or sub-meters.
Managing Shared Bills
Living with housemates can significantly reduce your utility costs. The average person saves £200-400 per month by sharing bills compared to living alone in a similar property.
Most shared households split bills equally, though adjustments may be made for couples sharing a room (typically 1.5x a single person's share) or significantly different room sizes.
Setting up a joint account for bills or using bill-splitting apps can help manage payments and ensure everyone contributes their fair share on time.
Remember to notify utility providers when housemates change to update account responsibilities.