Finance Calculators
Plan retirement savings, estimate investment growth, compare paycheck outcomes, calculate interest, and evaluate personal finance decisions.
What are finance calculators?
Finance calculators help turn moving parts like income, savings rates, taxes, interest, and time into a clearer estimate. Use this page when you need a quick retirement projection, a payoff scenario, a paycheck estimate, or a cash savings comparison before opening a full spreadsheet.
How to choose the right calculator
Start with the calculator that matches the decision in front of you. Use retirement tools for long-range planning, paycheck tools for take-home pay, and interest tools for savings or loan scenarios. Review the assumptions on each calculator before treating the result as a final number.
Common uses
Browse calculators
12401k Calculator
Project 401k growth with employer match, then simulate retirement withdrawals over time.
Coast FIRE
See when your portfolio can coast to retirement on its own.
Dave Ramsey Retirement
Project your retirement nest egg using Ramsey's 15% rule, 8% withdrawal rate, and Baby Step 4 principles. Includes pension, Social Security, employer match, and couples mode.
Mortgage Payoff
Measure payoff date, interest saved, and extra payment scenarios.
Interest Only
Estimate IO payments, post-IO payments, and cost deltas for mortgages, HELOCs, loans, and construction draws.
CD Calculator
Estimate CD maturity value, interest earned, and maturity date from APY, term, and start date.
Money Market
Calculate money market returns with APY, monthly, daily, and 7-day yield rates. Compare scenarios, visualize growth, and plan your cash savings.
Hourly to Salary
Convert hourly wage to annual salary with overtime, bonus, and pay-period breakdowns, or reverse from salary to hourly.
Roth Conversion
Estimate tax impact of converting Traditional IRA to Roth IRA with 2025/2026 brackets, pro-rata rule, and multi-year spread planner.
Virginia Paycheck
Estimate Virginia take-home pay after federal tax, Virginia withholding, FICA, bonus pay, overtime, VA-4 exemptions, and common deductions for 2025 and 2026.
Ohio Paycheck
Estimate Ohio take-home pay after federal tax, Ohio withholding, school district tax, FICA, bonus pay, overtime, and common deductions for 2025 and 2026.
Georgia Paycheck
Estimate Georgia take-home pay after federal tax, Georgia withholding, FICA, bonus pay, overtime, G-4 allowances, and common deductions for 2025 and 2026.
Finance calculators FAQ
Which finance calculator should I start with?
Choose the calculator that matches the decision: retirement tools for long-term savings, paycheck calculators for take-home pay, and CD or money market tools for cash yield comparisons.
Are finance calculator results financial advice?
No. Finance calculators provide estimates for education and planning. Confirm tax, investment, loan, and retirement decisions with authoritative sources or a qualified professional.
Do finance calculators include formulas?
Many finance tools include formula, about, or FAQ pages that explain the assumptions behind the estimate.