Mortgage tools
Make sense of your
next mortgage move.
Extra payments, refinancing, or velocity banking: compare what each approach could mean for your household.
Havenstone Finance
A clearer view.
A more informed
next step.
Practical tools for your mortgage, your debt, and the money you want to set aside. Explore the possibilities with your own numbers.
Excel calculators + companion PDF guides. One-time purchases.
BUILT FOR REAL QUESTIONS01—06
What changes
when you run the numbers?
Clear inputs.
Context for the results.↗
Context for the results.↗
6 individual spreadsheets6 companion guides2 specialized bundlesBuilt around your questions.
Find your starting point
One question.
Or a few connected ones.
Buy the tool you need today, or choose a bundle to explore the bigger picture.
Make sense of your
Debt & savings tools
Pay down balances.
Build breathing room.
Compare repayment methods, plan emergency reserves, and put upcoming expenses into a realistic savings plan.
The Havenstone approach
Understand what’s
behind the answer.
Compare the commitment
See the budget behind a payoff strategy. Snowball and avalanche share one monthly budget; velocity banking is compared with direct extra payments using the same surplus.
Keep the whole picture in view
Look at both mortgage and credit-line debt, refinance costs and time horizons, or the cash competing savings goals require.
Get an explanation, too
Every calculator includes a PDF guide to its concepts, assumptions, and limitations. The goal is understanding what a result means for your next question.
Built from a personal question
“How can I pay off my mortgage and debt faster?”
Our founder, an aerospace and systems engineer working on NASA projects, created these tools to explore that question for his own finances. That personal project became Havenstone Finance.
Read our story ↗Keep in touch
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