Mortgage Payoff With Extra Payments Calculator

Same transparent payoff math as generic early payoff, framed for first-lien mortgages — balance, rate, P&I, and extras. Click any i for detail.

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Mortgage

Balance ($)
i
Balance

Remaining principal.

APR (%)
i
APR

Note rate on the mortgage.

Monthly P&I ($)
i
P&I

Required principal and interest.

Extra principal ($/mo)
i
Extra

Additional monthly principal.

How to use this calculator

  1. Enter mortgage balance and P&I.
  2. Add monthly extra.
  3. Review interest saved and payoff time.

Results explained

Headline interest saved vs scheduled payments; subline compares mortgage-free dates.

Quick reference: mortgage extras

Escrow excluded.

ItemDetail
ExtrasApplied after interest
EscrowNot in payment field

PMI drop and ARM resets are not modeled.

How the estimate is built

Dual month-by-month payoff simulations with and without extra principal.

Example scenario

$250/mo extra on a $298k mortgage can shave years and tens of thousands in interest versus P&I alone.

FAQ

Should extras go to escrow?

Model principal only — not tax/insurance escrow.

One-time lump sums?

Use monthly equivalent or the generic early payoff tool mindset.

Recast vs extra?

Recasting lowers required payment; extras shorten term — different products.