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UpdatedCalculator registry reviewed monthly; rate defaults refresh from current market data.
AssumptionsInputs are visible first; assumptions and caveats appear in result notes.
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Taxes

Securities-Backed Loan vs. Mortgage Calculator

Compare buying with an SBL (no down payment, portfolio stays invested) vs a traditional mortgage. See which path leaves you wealthier after tax, compounding, and interest.

High ImpactPopularNew
4 minOpen
Savings

Rate Gap Calculator

See exactly how much money your bank is costing you every year.

High ImpactPopularUses live rates
2 minOpen
Home

HELOC vs. Home Equity Loan Calculator

Compare a fixed-rate home equity loan against a variable-rate HELOC — monthly payment, total interest, and payment-shock risk for the same amount borrowed.

High ImpactPopularNew
4 minOpen
Home

HELOC vs. Cash-Out Refinance Calculator

Compare tapping equity with a HELOC layered on your current mortgage against a cash-out refinance that replaces the whole loan at today's rate.

High ImpactPopularNew
4 minOpen
Taxes

Where Should I Keep My Short-Term Savings?

Compare HYSA, government money market funds, ultra-short bond funds, and T-Bills by after-tax yield, liquidity, safety, and timing.

High ImpactPopularNew
4 minOpen
Taxes

401(k) vs Roth 401(k) Calculator

Traditional 401(k) saves tax now. Roth saves tax later. Find which puts more money in your pocket at retirement.

High ImpactPopular
4 minOpen
Taxes

Capital Gains Tax Calculator

Calculate federal tax on stock or crypto gains. Compare short-term vs long-term tax treatment.

High ImpactPopularNew
3 minOpen
Taxes

Federal Tax & Refund Estimator

Estimate your federal tax liability and refund (or balance due) before you file.

High ImpactPopularNew
4 minOpen
Taxes

OBBBA Tax Impact Calculator 2026

See how the One Big Beautiful Bill Act changes your 2026 federal tax bill — SALT cap, tips and overtime deductions, and the expanded Child Tax Credit.

High ImpactPopular
4 minOpen
Auto

Car Loan Interest Deduction Calculator 2026

Estimate your federal tax savings from the new OBBBA car loan interest deduction, including the income phase-out and your real dollar benefit.

High ImpactPopularNew
3 minOpen
Credit Cards

Home Equity Loan for Debt Consolidation Calculator

See whether consolidating credit card and other high-interest debt into a fixed-rate home equity loan would lower your payment and total interest.

High ImpactPopularNew
4 minOpen
Debt

RAP Student Loan Calculator 2026

Estimate your monthly payment under the new Repayment Assistance Plan (RAP) and compare it against the Standard 10-year plan.

High ImpactPopularNew
3 minOpen

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