Money & Planning

Irregular Income Safe Monthly Budget Calculator

Use uneven monthly income history to estimate a conservative spending limit, variable budget, savings goal, and cash reserve.

Last updated: August 2026

Currency

Income type Take-home income Gross income

Monthly income history

Budget basis Conservative: 25th percentile Balanced: median Average Custom monthly income

Safety buffer percentage

Monthly commitments

HousingDebt paymentsInsurance and utilitiesOther fixed expensesMonthly savings goal

Budget-basis comparison

Monthly history

Month	Entered income	Usable income	Planned outflow	Surplus or shortfall

“Safe” means based only on entered history and selected assumptions. Past income does not guarantee future income. This calculator does not include investment returns, debt-interest changes, emergency expenses, or tax rules beyond the entered reserve percentage. Currency selection changes formatting only and does not convert values.