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Social Security Benefits Tax Calculator (2025)

Calculate how much of your Social Security benefits are taxable using the provisional income formula. See the 0%, 50%, or 85% taxable threshold.

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Taxable SS

$7,050

$7,050

Taxable SS Benefits

% Taxable

35.25%

Income Tax

$2,048

Effective SS Rate

4.23%

Summary

Of your $20,000 in Social Security benefits, $7,050 (35.25%) is taxable based on your provisional income of $37,000.

Provisional income is calculated as your other income ($27,000) plus 50% of your SS benefits ($10,000), totaling $37,000.

Your provisional income falls between $25,000 and $34,000, so up to 50% of your benefits may be taxable. 35.25% of your benefits ($7,050) are taxable.

Other Income: $27,000
50% of SS Benefits
Taxable SS

Provisional Income Journey

9 rows

StepAmount
Other Income$27,000
50% of SS Benefits$10,000
Provisional Income$37,000
First Threshold$25,000
Second Threshold$34,000
Taxable SS Benefits$7,050
Deduction (Standard)-$15,000
Taxable Income$19,050
Income Tax on SS$2,048

Estimate based on federal taxes only. Provisional income includes tax-exempt interest. Does not account for state taxes on Social Security benefits (13 states tax SS), additional deductions, or credits. Not tax advice.

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