LightStream Loan Calculator

Estimate your monthly payment, total interest, and total cost — by loan purpose, amount, and term.

Personalize Your Estimate

Rates shown are LightStream's published starting APRs with autopay discount. Your actual rate depends on your credit profile.

$5,000$100,000
Estimated Monthly Payment
$770
$2,730
Total Interest
$27,730
Total Cost
7.74%
Est. APR Used

* Estimates only. Actual rate depends on your credit profile. Rates from LightStream's published starting APRs as of June 2026.

Apply at LightStream for My Actual Rate →

How to Use This Calculator

1. Select Loan Purpose
LightStream sets different starting rates by loan purpose. Home improvement and auto loans start at 6.49% APR; debt consolidation starts at 7.24%.
2. Choose Your Credit Score Range
Your credit score is the single biggest factor in your actual rate. Borrowers with 750+ typically get the best rates; those at 660–679 will pay more.
3. Enable Autopay for Best Rate
LightStream offers a 0.50% APR discount when you enroll in automatic payments before your loan funds. This must be set up before funding — not after.
4. Use Rate Beat Program
Get prequalified at SoFi or Credible first (soft pull), then bring that approved rate to LightStream — they'll beat it by 0.10 percentage points.

LightStream vs. Competitors — Quick Rate Check

LenderStarting APRMax AmountFeesSame-Day FundingSoft Pull Prequalify
LightStream6.49%$100,000✓ None✗ (on site)
SoFi8.99%$100,000✓ None
Marcus by Goldman6.99%$40,000✓ None
Discover7.99%$40,000✓ None
Upgrade9.99%$50,000✗ Up to 9.99%
Full Lender Comparison →

How to Interpret Your Results

The monthly payment and total interest figures above are estimates based on the APR you entered. To get your actual rate, you must apply — LightStream sets APR based on your credit score, loan purpose, loan amount, and term length. Here is how each factor affects what you will pay.

Loan Term vs. Total Cost Trade-off

Shorter terms mean higher monthly payments but dramatically lower total interest. On a $20,000 loan at 7.99% APR: a 36-month term costs $2,571 in total interest; a 60-month term costs $4,294. That is $1,723 extra just for the lower monthly obligation. Use the calculator above to find the term where your monthly payment is manageable without paying far more than necessary.

The Autopay Discount

Enrolling in autopay before your loan funds reduces your APR by 0.50 percentage points. On a $25,000 loan over 48 months, 0.50% saves approximately $302 in total interest. Always enter the autopay-discounted rate in the calculator above — it is the rate you will actually receive if you enable autopay at funding.

Home Improvement — The Special Case

Home improvement loans qualify for terms up to 20 years — far longer than the standard 7-year maximum for other purposes. A $50,000 home renovation at 7.49% APR over 15 years carries a monthly payment of approximately $461 with $33,000 in total interest. Over 7 years, the monthly payment rises to $767 but total interest drops to $14,436. Use the calculator to find your comfort zone.

View Full Rate Table →  Apply Now →