How to use Earnest’s refinance calculator: A smarter, more personal way to explore your options

By Ashley Billing | Published on December 15, 2025

)

Figuring out whether you should refinance1your student loans can feel…well, confusing. There are interest rates to compare, terms to think about, and big questions like “Will this actually save me money?”

That’s exactly why we built our new **Student Loan Refinance Calculator**2—to make the whole process easier, clearer, and way more personalized to you. Instead of just crunching numbers, it helps you understand what your options could look like based on your actual goals.

Let’s walk through what it does, why we designed it this way, and how it can help you map out your next move.

So, what is a student loan refinance calculator?

At its simplest, a refinance calculator estimates how your loan payments could change if you refinanced with a new loan. You type in things like your loan amount and your interest rate, and the calculator shows you new potential monthly payments, your total cost over time, and your estimated payoff date.

Most calculators stop right there. Ours doesn’t.

Why we built ours differently

Most refinance tools ask for your numbers first. Ours starts by asking: “What is your top refinancing goal?” Because your goals shape everything.

Maybe you want a lower3 monthly payment. Maybe you want to pay off your loans faster. Maybe you just want a better interest rate. Whatever your reason, your motivation matters—and it completely changes what a “good” refinance scenario might look like.

When you choose your goal up front, the calculator tailors your results around that choice. The entire experience becomes more about you, and less about guesswork.

What goals can you choose from?

A few examples:

• Pay less each month
• Get a better interest rate
• Pay off your loan sooner
• Have more time to pay off your loan
• Pay less money overall
• Combine multiple loans into one payment
• Get out of debt sooner

If you’re not exactly sure what your goal is, that’s okay—seeing the options often helps clarify what matters most.

How the calculator works (in plain English)

1. Pick your goal

This helps the tool understand what kind of refinance scenario to prioritize.

2. Enter your estimated refinance amount

If you have multiple loans, you just add them up—there’s even a handy tooltip explaining this if you’re not totally sure what to input.

3. See your personalized comparison

You’ll instantly get a side-by-side look at your current loan vs. a modeled Earnest loan, including:

• Your monthly payment
• Your interest rate
• Your loan length
• When you’d pay it off
• Your total interest and total loan cost

The tool highlights what might change, like how much your monthly payment could drop or how much sooner you could become free of student debt.

4. Ready for real numbers? Check your rate.

If the scenario looks good, you can see your personalized rate in just a few steps—with zero credit impact.

Why starting with your goals really matters

When you refinance, there’s no one “right” answer. Two people with the same loan balance might want totally different outcomes. You might prioritize saving money long-term, while someone else cares more about lowering their monthly payment today.

By asking about your goal first, the calculator:

• Helps you understand your options more quickly
• Shows the tradeoffs clearly (like a lower monthly payment but a longer payoff timeline)
• Gives you a more personalized, less overwhelming experience
• Makes it easier to see what’s realistic for your budget and your future

It’s not just a calculator—it’s a starting point for a more confident decision.

A few examples of how it helps:

If you want lower monthly payments

You’ll see how much your payment could decrease—and what that means for your overall timeline.

If you want to pay less interest

The tool highlights faster payoff options and shows how much total interest you could avoid.

If you want clarity

You get a clean, side-by-side snapshot that makes the math feel way less intimidating.

How to fill it out

1. Choose your top goal
2. Enter your refinance amount
3. Review your personalized results
4. Click “Check My Rate” if you want real estimates—with no credit impact

That’s it. No spreadsheets. No guesswork. Just clarity.

The bottom line

Your student loan refinance decision should reflect your priorities—not a lender’s defaults or a generic calculator. Our new Refinance Calculator was built to help you explore your options based on what you want, whether that’s potentially lowering your monthly payment, saving money over time, or paying off your loans as quickly as possible.

It’s simple, interactive, and built to give you the confidence to take your next step—whatever that may be.

)

About the Author

Ashley Billing

Ashely Billing writes about finance, work, and wellness, with a focus on practical strategies that can actually help. Drawing on years of experience in content marketing and digital storytelling, she crafts clear, actionable pieces designed to inform and empower readers.

Disclaimer

Disclaimer: This blog post provides personal finance educational information, and it is not intended to provide legal, financial, or tax advice.