Instant, Client-Side Financial Calculators
Empower your budgeting, cash flow planning, and cost reduction with our free online calculators. Zero signup required, completely private.
50/30/20 Budget Calculator
Split your take-home income into Needs (50%), Wants (30%), and Savings/Investments (20%). Includes custom percentage sliders and category allocations.
- Monthly, annual & bi-weekly inputs
- Customizable percentage split
- Itemized category breakdown
- Zero registration required
Savings Rate & Financial Runway Calculator
Calculate your exact monthly savings percentage, annual cash surplus, and months of emergency runway based on your fixed living expenses.
- Savings rate benchmark health score
- Emergency runway duration calculation
- 5-Year compound savings forecast
- Actionable recommendations
Subscription Cost & Recurring Leak Auditor
Audit your streaming services, software subscriptions, gym dues, and recurring memberships. Calculate annual drain and compound opportunity cost.
- Multi-subscription aggregator
- Annual & 5-year total drain calculation
- Investment opportunity cost at 8% S&P 500
- Subscription audit checklist
Recommended Financial Guides & Frameworks
Explore in-depth editorial breakdowns to implement what you calculate.
The 50/30/20 Budget Rule: The Complete Guide
Learn how to apply percentage budgeting in high-cost cities and buffer irregular income.
AnalyticsPersonal Cash Flow Management & Runway
Calculate net monthly surplus, determine your burn rate, and build emergency cash reserves.
Cost Control30-Minute Subscription Audit Checklist
Identify forgotten trials, negotiate recurring bills, and calculate 5-year opportunity costs.
TaxonomyStandard Expense Categories Chart of Accounts
Organize personal living costs and business overhead with standardized groupings.
HouseholdHousehold Bill Tracker System for Couples
Choose between proportional, 50/50, and pooled frameworks to manage shared bills.
Tax StrategyFreelance Expense Tracking & 1099 Deductions
Never miss legitimate write-offs, track client reimbursables, and reserve quarterly taxes.
Frequently Asked Questions
Common questions regarding our free financial calculators and methodologies.
Yes, 100% free with no account creation, email capture, or payment required. All calculations run client-side in your web browser for complete privacy.
Track Your Budget with Real-Time Accuracy in Expenseliy
Take your budget numbers and track them seamlessly with automated category charts and 40 free lifetime transactions.