ProMoney · Simulator
Mortgage Refinance Break-Even Simulator
Is refinancing worth the closing costs?
Assumptions
Monthly savings
$331
Break-even
18 mo
Savings over term
$101,365
| Line | Amount |
|---|---|
| Current payment | $2,407 |
| New payment | $2,076 |
| Monthly savings | $331 |
| Closing costs | $6,000 |
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Built by The Crimson Bench · Educational model, not financial advice
About the Mortgage Refinance Break-Even Simulator
Compare your current rate to a new one, net of closing costs, to see monthly savings and the break-even month.
It's built for directional planning: change any assumption and watch the whole projection move, the way a seasoned operator pressure-tests a plan before committing capital. Everything is computed live in your browser — nothing is sent anywhere.
How the Mortgage Refinance Break-Even Simulator Works
The model takes 5 assumptions and returns 3 headline metrics plus a full breakdown. Here is exactly what goes in and what comes out — no black box.
The Inputs
| Assumption | Example value |
|---|---|
| Loan balance | $350,000 |
| Current rate | 7% |
| New rate | 5.5% |
| Closing costs | $6,000 |
| Remaining term (years) | 27 |
Worked Example
Every figure below is produced by the live model using the example assumptions above. Change any input in the simulator to see your own numbers.
Monthly savings
$331
Break-even
18 mo
Savings over term
$101,365
| Line | Amount |
|---|---|
| Current payment | $2,407 |
| New payment | $2,076 |
| Monthly savings | $331 |
| Closing costs | $6,000 |
The Operator's Read
You recoup the closing costs in about 18 months — refinance only if you'll stay past that. Resetting the term also matters: a lower rate on a longer clock can cost more total interest. Educational only.
Assumptions & Limitations
- •The model is deterministic: it projects your inputs forward with clear arithmetic, not a Monte-Carlo or probabilistic forecast. It shows one scenario at a time — run several to bracket a range.
- •Defaults are illustrative benchmarks, not your business. Replace every field with your real numbers before drawing conclusions.
- •It abstracts away taxes, financing, seasonality, and one-off events unless a field explicitly captures them. Treat the output as a directional estimate.
- •This is an educational tool, not financial, investment, tax, or legal advice. Validate real decisions with a qualified professional.
Frequently Asked Questions
What does the Mortgage Refinance Break-Even Simulator calculate?
Compare your current rate to a new one, net of closing costs, to see monthly savings and the break-even month. It takes 5 assumptions — Loan balance, Current rate, New rate, Closing costs, Remaining term (years) — and returns Monthly savings, Break-even, Savings over term, along with a full projection table you can export.
How do I use the Mortgage Refinance Break-Even Simulator?
Enter your own figures in the input fields above — Loan balance, Current rate, New rate, and the rest. The model recalculates instantly and shows the resulting Monthly savings and full breakdown. No sign-up needed to run it.
Is the Mortgage Refinance Break-Even Simulator free?
Yes — you can run the simulator and see the headline results for free. Toolkit Pro unlocks the full projection table, Excel/PDF export, saved scenarios, and AI analysis: $180/mo, $1,728/yr, or unlock any 3 simulators for $20.
What's the difference between this and a free calculator?
A calculator answers one question. This simulator models the full picture — multiple linked assumptions, a projection table, and scenario comparison — the way an operator would build it in a spreadsheet, but instantly.
Who built the Mortgage Refinance Break-Even Simulator?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. This is the self-serve version of a model they'd build inside a live engagement.
Is this financial advice?
No. The Mortgage Refinance Break-Even Simulator is an educational modeling tool for directional planning — not financial, investment, tax, or legal advice. Validate any real decision with a qualified professional.
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The Crimson Bench · Est. 2002 · Founded in New York City
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