Budget Deviation Checker

Compare actual expenses with planned budget and spot differences.

Compare your planned budget with your actual expenses to see if you’re staying on track. Useful for analyzing budget performance and controlling overspending.

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Other Calculators

Savings Goal Planner

Calculate how much to save each month to reach your goal by a target date.

Monthly Savings = (Goal Amount − Current Savings) / Months Until Target Date

Zero-Based Budget Calculator

Allocate your income fully until your remaining balance is zero.

Remaining = Income − Sum of all category amounts

Monthly Budget Allocator

Divide your monthly income using the 50/30/20 budgeting rule.

Needs = 50% * Income; Wants = 30% * Income; Savings = 20% * Income

Custom Budget Category Allocator

Allocate your income across any number of custom budget categories.

Amount = Income × (Percentage / 100) for each category

Emergency Fund Target Calculator

Estimate how much money you should save for emergencies.

Target = Monthly Expenses × Number of Months

Daily Spending Limit Calculator

Find out how much you can spend per day for the rest of the month.

Daily Limit = Remaining Budget / Days Left