Extra Repayment Calculator
See how extra payments, rate changes, or repayment pauses affect your mortgage.
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đĄPaying fortnightly instead of monthly can save thousands â you make 26 half-payments a year (equivalent to 13 monthly payments) and chip away at the principal faster.
Interest saved
$117,720
Term shortened by 4 yrs 8 mos
| Base | With extras | |
|---|---|---|
| Repayment | $3,160 | $3,360 |
| Total interest | $637,722 | $520,003 |
| Total paid | $1,137,722 | $1,021,543 |
| Term | 30 yrs | 25 yrs |
Year 1
Principal $8,061Interest $32,263$491,939 left
Year 2
Principal $8,601Interest $31,723$483,337 left
Year 3
Principal $9,177Interest $31,147$474,160 left
Year 4
Principal $9,792Interest $30,532$464,368 left
Year 5
Principal $10,448Interest $29,876$453,920 left
Year 6
Principal $11,147Interest $29,177$442,773 left
Year 7
Principal $11,894Interest $28,430$430,879 left
Year 8
Principal $12,691Interest $27,633$418,188 left
Year 9
Principal $13,541Interest $26,784$404,647 left
Year 10
Principal $14,447Interest $25,877$390,200 left
Year 11
Principal $15,415Interest $24,909$374,785 left
Year 12
Principal $16,447Interest $23,877$358,338 left
Year 13
Principal $17,549Interest $22,775$340,789 left
Year 14
Principal $18,724Interest $21,600$322,065 left
Year 15
Principal $19,978Interest $20,346$302,087 left
Year 16
Principal $21,316Interest $19,008$280,771 left
Year 17
Principal $22,744Interest $17,580$258,027 left
Year 18
Principal $24,267Interest $16,057$233,760 left
Year 19
Principal $25,892Interest $14,432$207,868 left
Year 20
Principal $27,626Interest $12,698$180,242 left
Year 21
Principal $29,476Interest $10,848$150,766 left
Year 22
Principal $31,450Interest $8,874$119,316 left
Year 23
Principal $33,557Interest $6,768$85,759 left
Year 24
Principal $35,804Interest $4,520$49,955 left
Year 25
Principal $38,202Interest $2,122$11,754 left
Year 26
Principal $11,754Interest $147$0 left
âšī¸Most NZ lenders allow extra repayments without penalty on fixed rates up to a certain cap (often $500â$1,000/year). Check your loan terms to avoid break fees.