Mondo Knows Tools
Amortization Calculator
See how each payment splits between interest and principal. Use the free amortization calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.
$
%
years
rows
Mondo says
Monthly payment
$1,498.88
/mo
Total interest$289,595.47
Total of payments$539,595.47
First payment interest$1,250.00
First payment principal$248.88
First 12 payments:
#1 $1,498.88 (interest $1,250.00 / principal $248.88) bal $249,751.12
#2 $1,498.88 (interest $1,248.76 / principal $250.12) bal $249,501.00
#3 $1,498.88 (interest $1,247.51 / principal $251.37) bal $249,249.63
#4 $1,498.88 (interest $1,246.25 / principal $252.63) bal $248,997.00
#5 $1,498.88 (interest $1,244.99 / principal $253.89) bal $248,743.11
#6 $1,498.88 (interest $1,243.72 / principal $255.16) bal $248,487.95
#7 $1,498.88 (interest $1,242.44 / principal $256.44) bal $248,231.51
#8 $1,498.88 (interest $1,241.16 / principal $257.72) bal $247,973.80
#9 $1,498.88 (interest $1,239.87 / principal $259.01) bal $247,714.79
#10 $1,498.88 (interest $1,238.57 / principal $260.30) bal $247,454.49
#11 $1,498.88 (interest $1,237.27 / principal $261.60) bal $247,192.88
#12 $1,498.88 (interest $1,235.96 / principal $262.91) bal $246,929.97
How it works
Builds the full payment schedule for a fixed-rate loan and shows the first year of payments, so you can see how slowly the balance falls at the start.
Amortization Calculator: common questions
- What does the Amortization Calculator work out?
- See how each payment splits between interest and principal. It is one of the Money & Finance tools on Mondo Knows.
- How is the Amortization Calculator calculated?
- Builds the full payment schedule for a fixed-rate loan and shows the first year of payments, so you can see how slowly the balance falls at the start.
- Do I need to sign up, and is my data stored?
- No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.
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Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.