Budget Deficit Fixer
If you spend more than you earn, see how much to cut or earn to get back to break-even and start saving.
Fix the gap with arithmetic
Every budget problem is a gap between what comes in and what goes out. Close it with two levers: lower spending and higher income. This tool tells you the total you need to find, then checks if your planned cuts and extra income cover it.
Where to cut first
Look at the biggest items first: housing, transport and food. Cancel unused subscriptions, renegotiate bills and shop around for insurance. Then add income with extra hours, selling items or a side project.
Worked example
Last reviewed November 2026. Formulas are standard and shown in the sections above; results are estimates.
Tips and common mistakes
- Attack the biggest bills before small habits.
- Put any windfall toward the gap or debt.
- Track for a month to find hidden spending.
Learn more
Frequently asked questions
What if my deficit is huge?
Combine cuts, extra income and talk to your lenders or a non-profit credit counsellor.
Is cutting 8% realistic?
For many people yes, mostly from food, subscriptions and shopping.
How do I add income quickly?
Overtime, selling things, freelance gigs or a part-time job.
Money guides for this topic
All guides →How to Fix Bad Financial Condition with Math: A 7-Step Recovery Plan
A step-by-step plan, with real numbers, to climb out of a money hole: find the gap, cut and earn, pay debt smartly and build a safety net.
Read guide →How to Make a Budget in 5 Simple Steps
A beginner-friendly guide to building a monthly budget that you can actually stick to.
Read guide →How to Save Money: 10 Practical Ways with Real Numbers
Ten proven ways to save money, each with the math showing how much you can keep every year.
Read guide →Related calculators
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Open calculator →Results are estimates and not financial advice.