Tools / Interest Calculator

Tax Lien Interest Calculator

See exactly what your tax lien certificate earns daily, monthly, and annually.

Amount Paid ($)

Interest Rate (%)

Days Held

Daily Interest

$1.7123

Monthly (30d)

$51.37

Yearly (365d)

$625.00

Accrued

$625.00

Return Rate

25%

Targets keywords: tax lien interest calculator, tax lien certificate interest, calculate tax lien returns, daily interest tax lien

Track Automatically

Stop doing manual math. LienSimple calculates your entire portfolio interest in real time.

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Why It Matters

Knowing exactly what your certificate earns helps you compare opportunities across states. A $2,500 certificate at 25% earns $1.71 per day. The same at 12% earns $0.82. This calculator shows the real dollar impact.

Who It Is For

Perfect for investors who want to compare certificate returns across states, verify county interest calculations, or plan portfolio allocation.

How It Helps

Get instant daily, monthly, and yearly earnings for any certificate. No manual spreadsheet formulas or math errors.

Interest Calculator FAQ

How do I use the interest calculator?v

Enter your certificate amount, the interest rate for your state, and the number of days. The calculator instantly shows daily, monthly, and yearly earnings. Adjust the rate based on your state tiered structure.

What rate should I use for Texas?v

Texas uses a tiered system: 25% on the first $2,500, 18% on $2,501-$5,000, 15% on $5,001-$10,000, 10% on $10,001-$25,000. Use 25% for certificates under $2,500.

Can I save my calculations?v

This tool is for quick estimates. LienSimple automatically calculates interest for every certificate in your portfolio. Upgrade to Pro to track unlimited certificates with real-time calculations.

How is daily interest calculated?v

Daily interest = (amount x rate / 100) / 365. This is standard across all states. Monthly = daily x 30. Yearly = daily x 365.