Monthly Cost Calculator
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Shared Expenses
Period
→
Fixed Payments
Added on top of the split — rent, mortgage, bills, etc.
Summary
Monthly Salary
Your take-home pay — used to calculate what's left after spending.
Take-home pay
£
Monthly Recurring Costs
Fixed costs that carry forward every month.
£
One-off Spending
Extra costs just for this month — won't carry over.
£
My Monthly Summary
No data yet — add expenses in the Calculator tab.
Expense Split Ratio
What % of shared expenses your partner pays. Default 50/50.
You pay
50%
/
Partner
50%
Partner pays
%
Partner Name
Shown in the Summary ("Partner owes you") and Records table header.
Fixed Payment Templates
Default fixed payments added to each new month. Name + default amount.
Default Calculator Accounts
These accounts appear in the Calculator for every new month. Saving will also update the current month if it has no expenses yet.