Solar Loan Calculator
Check the payment, interest cost, and total repayment for solar loan before any quote becomes a commitment.
Calculator
Solar Loan Calculator
Enter the amount you expect to finance for the solar loan.
Use the annual percentage rate before fees.
Choose the number of years over which the balance will be repaid.
Example values are loaded.
Result
Your result
A $28,000.00 solar loan would cost about $341.20 per month on this schedule.
Monthly payment
$341.20
Total interest
$12,944.00
Total paid
$40,944.00
Loan breakdown
Next steps
Compare before you move on
Most people use one calculator to answer the first question and a related tool to pressure-test the decision.
Borrowing
Personal Loan Calculator
Calculate personal loan payments, total interest, and total cost before you compare financing options.
Borrowing
Debt Consolidation Loan Calculator
Calculate debt consolidation loan payments, total interest, and total cost before you compare financing options.
Borrowing
Home Improvement Loan Calculator
Calculate home improvement loan payments, total interest, and total cost before you compare financing options.
What this calculator shows
solar loan estimates usually come down to three numbers: the amount borrowed, the interest rate, and how long you want to keep the payment.
Use it to compare rate and term tradeoffs before any quote becomes a commitment.
How to use it
- 1. Enter the amount you plan to borrow for the solar loan.
- 2. Add the annual rate you expect to pay.
- 3. Choose the repayment term to compare the monthly payment and total interest.
Formula and assumptions
Monthly payment uses the standard amortized loan formula with equal monthly payments over the full term.
Total paid equals monthly payment multiplied by the number of monthly payments, and total interest is the amount paid above principal.
Notes
This estimate does not include origination fees, taxes, insurance, rebates, balloon payments, variable-rate terms, or lender-specific commercial charges.
Worked example
$28,000.00 at 8.1% over 10 years gives a quick planning baseline.
This example uses the default sample inputs loaded on reset. It does not update with the live calculator entries above.
Monthly payment
$341.20
Total interest
$12,944.00
Total paid
$40,944.00
Feedback
Found a problem on this page?
Report confusing fields, broken math, or missing assumptions with the exact inputs you used so the issue can be reproduced.
FAQ
FAQ
Does this solar loan calculator include lender fees?
No. It focuses on principal, interest rate, and term so you can get a clean payment estimate before fees or taxes.
FAQ
Why does a longer term reduce the payment but raise total interest?
A longer term spreads the balance across more months, which lowers the monthly payment but gives interest more time to accrue.