Divorce Calculators
Run the numbers before you sign. Free calculators for alimony, child support, settlement division, housing costs, and more. Instant results, completely private, no sign-up required.
Full Settlement Analysis
Enter your complete financial picture — income, assets, expenses, settlement terms — and get a personalized year-by-year projection through age 100. Find out if your money will last and whether your settlement is fair.
Alimony Calculator
Estimate spousal support based on both incomes, marriage length, and your state's specific guidelines. Covers all 50 states with formula-based calculations where available.
PopularChild Support Calculator
Estimate child support payments based on income, custody arrangement, number of children, and state-specific formulas. See how different custody splits affect the numbers.
Can I Keep My House?
Find out if you can afford to keep the family home on one income. Includes DTI check, equity buyout estimate, and a side-by-side keep-vs-sell cost comparison.
NewDivorce Buyout Calculator
Calculate how much it costs to buy out your spouse's share of the house, retirement accounts, or other assets. See offset strategies that avoid cash out of pocket.
Social Security Estimator
See your monthly benefit at every claiming age from 62 to 70. Includes ex-spouse benefit eligibility check — if you were married 10+ years, you may qualify for benefits on your ex's record.
State Settlement Calculator
Look up property division rules, alimony guidelines, tax rates, and housing costs for your state. All 50 states covered with state-specific data.
Housing Affordability Calculator
Enter your home value, mortgage balance, and income to see the true monthly cost of keeping your home — including property taxes, insurance, and maintenance for your state.
NewDivorce Cost Estimator
How much will your divorce cost? Enter your state, divorce type, and complexity to get an estimated cost range — filing fees, attorney fees, mediation, and specialist costs.
NewAlimony Duration Estimator
How long will alimony last? Enter your state and marriage length to see estimated duration based on state-specific statutes and guidelines.
NewMarital Net Worth Calculator
Add up all marital assets and debts to calculate your total marital estate. See an estimated division under community property or equitable distribution rules.
NewSettlement Modeler
Compare two settlement offers side by side. See which one gives you more financial security over 30 years with detailed year-by-year projections.
NewBudget Builder
Build a realistic post-divorce monthly budget category by category. See exactly where your money will go on a single income and identify gaps before they become problems.
Advanced Calculators
Deeper analysis tools included with DivorceSmart Pro. AI-powered insights, inflation projections, relocation analysis, and more.
Career Simulator
Model different salary paths and see how going back to work or switching careers affects your long-term finances after divorce.
ProInflation-Adjusted Projections
See the real purchasing power of your alimony, child support, and settlement over time. A $2,500/month payment loses significant value over a decade.
ProCost of Living Comparison
Thinking of relocating after divorce? Compare the cost of living between cities and see how a move would affect your monthly budget.
ProReal Estate Valuation
Project your home equity forward with state-specific appreciation rates. See whether keeping or selling builds more wealth over 5 to 30 years.
Financial Guides by Situation
Not sure which calculator to start with? Find the guide that matches your situation for tailored advice and the right tools.
How to use these divorce calculators
Every calculator on this page is free, works instantly in your browser, and requires no sign-up. Your data stays on your device and is never stored on our servers.
Start with the calculator that matches your most pressing question. If you are early in the process and want a complete picture, the Full Settlement Analysis is the most comprehensive option — it combines income, assets, expenses, and settlement terms into a single projection. If you have a specific question about alimony, child support, or housing, use the individual calculators to get a quick answer.
For the most accurate results, have these numbers handy: both spouses’ gross annual income, your home value and mortgage balance, retirement account balances, and your monthly expenses. The more accurate your inputs, the more useful the output.
Frequently asked questions
Are these divorce calculators free?
Yes. Every calculator on this page is completely free to use with no sign-up required. The Full Settlement Analysis includes a free projection; the Pro upgrade ($19 one-time) adds AI-powered insights, PDF reports, and advanced tools.
How accurate are online divorce calculators?
Our calculators use state-specific formulas, current tax brackets, and verified data sources. They provide useful estimates for planning purposes. However, every divorce is different — courts have discretion, and local practices vary. Use these calculators as a starting point, not a substitute for professional advice.
Which divorce calculator should I use first?
If you want the big picture, start with the Full Settlement Analysis. If you have a specific question — like "how much alimony will I pay?" or "can I afford the house?" — use the individual calculator for that topic.
Is my data private?
Yes. All calculations run in your browser. We do not store your financial information on our servers. Your data stays on your device.
Want the full picture?
Our flagship analysis combines everything into a personalized 30-year projection. See a sample analysis to understand exactly what you get.
From uncertainty to clarity in 3 steps
No account required. No credit card. Just your numbers.
Enter your numbers
Settlement amount, income, expenses, alimony, house — takes about 2 minutes. Everything runs privately in your browser.
See the projection
Get a year-by-year chart showing your net worth from now through age 100. Green, yellow, or red — you'll know where you stand instantly.
Model & export
Test different settlement terms to find which saves you the most money, compare offers side-by-side, and export a report for your attorney.
Every projection is deterministic — same inputs always produce the same outputs. Results are estimates based on the assumptions you provide.
See what a Pro analysis looks like
We built a complete Pro analysis for a fictional person named Sarah. Explore every section — charts, what-if scenarios, risk timeline, negotiation leverage — so you can see what’s included before running your own numbers.
You don’t need a $5,000 CDFA retainer to understand your own numbers
Start with the free projection. If the numbers raise questions you can’t answer, upgrade to Pro for $19 — one-time, no subscription — and discover which settlement terms could save you thousands.
Not financial or legal advice. DivorceSmart is an educational planning tool. Always consult a qualified attorney and financial advisor before making settlement decisions.