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Mortgage Recast vs Refinance Calculator

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Current mortgage
Recast
Refinance

All calculations are done locally in your browser.

Frequently asked questions

What is a mortgage recast?

A recast applies a lump-sum to principal and re-amortizes your remaining balance, lowering payments without changing your rate or term.

When is a recast better than refinancing?

If your current rate is competitive and you have a lump-sum, recasting can reduce payments with low fees. If rates are lower, a refi may save more.

Do fees change the result?

Yes. Recast fees are typically small, while refinance fees can be larger. The calculator includes these to estimate break-even and total cost.

Related tools

See Recast vs Extra Payments, Refinance Break-Even, and PMI Drop for a complete plan.

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