Daily Budget & Reverse Budget Calculator
Pay yourself first: deduct your savings target and fixed expenses from your monthly income to find your exact guilt-free daily spending allowance.
✓ Free Forever
✓ No Sign-Up
✓ 100% Private
✓ Live Calculation
Budgeting Strategy
Choose detailed itemized tracking or quick 4-step reverse budgeting
Detailed Budget Inputs
Income Sources
Total Income (TI):
$0.00
Target Savings (Pay Yourself First)
Fixed Expenses
Total Fixed Expenses:
$0.00
Quick Mode Parameters
Daily Allowance Output
Days
Daily Spending Allowance
Ready
$0.00 / day
Pay Yourself First (Savings Target):
$0.00
Fixed Expenses & Rent:
$0.00
Remaining Monthly Pool:
$0.00
Enter your monthly numbers to calculate your exact guilt-free daily allowance.
Live Master Sheet
Generating report...
Practical Reverse Budgeting
Frequently Asked Questions
How reverse budgeting works, why daily limits beat monthly tracking, and how client-side privacy protects your numbers.
We deduct your target savings and your fixed monthly commitments (rent, utilities, loan payments) from your net income. The remaining balance represents your discretionary pool. We then divide that pool by your chosen time horizon (defaulting to 30 days) to give you an exact daily number. If you stay under that single daily limit, your bills are paid and your savings goals are funded automatically.
Traditional budgeting requires logging every cup of coffee and grocery receipt into strict categories. Most people abandon it because tracking dozens of small purchases creates decision fatigue. Reverse budgeting (also called "pay yourself first") flips the process: you save your money the day you get paid and set aside cash for fixed bills. Whatever remains is yours to spend freely without tracking individual categories.
A negative allowance means your fixed overhead and savings ambitions exceed your current income. You cannot safely spend on discretionary items until you rebalance. Start by adjusting your savings target down temporarily (for example, from 20% to 10% or 5%) to create immediate breathing room, then audit recurring monthly subscriptions and fixed expenses to reduce your ongoing commitments.
A practical baseline is 20% of your net income, following the classic 50/30/20 guideline (50% needs, 30% wants, 20% savings and debt reduction). If 20% feels unrealistic right now, start with 5% or 10%. Consistent automated transfers of any amount build the habit of living on the remainder without triggering lifestyle inflation.
Yes. All calculations run 100% locally in your web browser using client-side JavaScript. No account creation is required, we do not connect to bank accounts, and your financial entries are never transmitted to or stored on an external server.