Family Law Calculators — Canada

Free family law calculators for Canada: Child support, spousal support, divorce and separation calculators. Get instant estimates using current Canada legal rules — no signup, private in your browser, and free to embed on your site.

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Child Support Calculator Canada Federal Guidelines
Estimate monthly child support payments under the Federal Child Support Guidelines by province, income…
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Spousal Support Calculator — Canada (SSAG)
Estimate spousal support amount and duration under the Canadian Spousal Support Advisory Guidelines…
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Child Custody Time Calculator
Calculate parenting time percentages for custody arrangements in Canada. Shared parenting, primary…
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Retroactive Child Support Calculator
Calculate retroactive child support owed in Canada from date of separation or date of demand under the…
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Divorce Asset Division Calculator
Calculate how assets are divided on divorce in Canada using the Net Family Property equalization payment…
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Common-Law Rights Calculator
Find out your common-law partner rights in Canada after separation. Unjust enrichment, constructive…
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Divorce Legal Fees Calculator
Estimate total divorce legal costs in Canada — lawyer fees, court filing fees, mediation, and…
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Child Expense Split Calculator
Split Section 7 extraordinary child expenses between parents in Canada based on income proportions —…
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Parenting Time Percentage Calculator
Calculate percentage of parenting time for each parent in Canada — nights, days, and hours per year used…
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Pension Division Calculator
Divide pension and retirement assets on separation in Canada — RRSP, DCPP, DBPP, and CPP credit…
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Matrimonial Home Equity Calculator
Calculate net equity split on the family home in Canada — market value minus mortgage, HELOC, and…
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Separation Date Deadline Calculator
Calculate key family law deadlines from your date of separation in Canada — property claim limitation…
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Common-Law Property Split Calculator
Estimate property division for common-law couples separating in Canada — unjust enrichment claims…
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Prenuptial Agreement Cost Calculator
Estimate the cost of a prenuptial or cohabitation agreement in Canada — lawyer fees, complexity, and…
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Child Support Modification Calculator
Calculate the change in child support when income changes in Canada — estimate new amount, difference…
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Child Tax Benefit Split Calculator
Calculate which parent claims the Canada Child Benefit and eligible dependent credit after separation —…
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Legal Name Change Cost Calculator
Estimate the total cost of changing your name after divorce in Canada — government fees, document…
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Separation Agreement Cost Calculator
Estimate the cost of drafting a separation agreement in Canada — lawyer fees, issues covered, and…
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Section 7 Expenses Calculator
Calculate each parent's share of section 7 special and extraordinary expenses under the Federal Child…
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Shared Custody Support Offset Calculator CA
Calculate the section 9 shared custody set-off of child support table amounts in Canada when each parent…
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Child Support Arrears Calculator
Calculate child support arrears in Canada — missed payments, partial payments, court order interest, and…
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Imputed Income Calculator for Support CA
Estimate imputed income under section 19 of the Federal Child Support Guidelines when a parent is…
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Marital Debt Division Calculator
Divide family debts at separation in Canada — mortgage, credit cards, loans, and tax debt within the net…
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Citizenship Timeline Calculator
Calculate your Canadian citizenship eligibility date. Track physical presence days and project when you…
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Express Entry CRS Score Calculator
Estimate your Express Entry Comprehensive Ranking System score in Canada. Age, education, language, and…
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Immigration Appeal Cost Estimator Calculator
Estimate the cost of appealing an immigration refusal in Canada including IAD, RAD, and Federal Court…
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Equalization Payment Calculator
Calculate the Ontario net family property equalization payment on divorce. Compare each spouse's NFP and…
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Matrimonial Home Buyout Calculator
Calculate the cost to buy out your spouse's share of the matrimonial home in Canada, including equity…
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Spousal Support Duration Calculator
Estimate the duration and monthly range of spousal support in Canada using the Spousal Support Advisory…
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Spousal Support Buyout Calculator
Calculate a lump-sum spousal support buyout in Canada — the present value of monthly support, with a tax…
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Prenup Protected Assets Calculator
Estimate which assets a marriage contract protects in Canada and which remain exposed to equalization…
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Relocation Factors Score Calculator
Score the factors a Canadian court weighs in a child relocation (mobility) case under the Divorce Act…
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Post-Secondary Child Support Calculator
Calculate each parent's share of a child's post-secondary education costs in Canada as a section 7…
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Divorce Cost Estimator Calculator
Estimate the total cost of a divorce in Canada by process type — uncontested, mediated, or contested —…
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High-Income Child Support Calculator
Estimate child support for payor incomes over $150,000 in Canada using the Federal Child Support…
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Child Support Multiple Families Calculator
Estimate child support when a payor supports children in more than one family in Canada, including the…
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About our Family Law calculators for Canada

Lexscale.ai offers 36 free family law calculators for Canada — part of the largest free legal-calculator library in North America, with 400+ tools across 23 practice areas, every one available in Canadian and US versions. Each family law calculator gives an instant, private estimate using current Canada statutory rates and standard legal formulas, with no signup and nothing sent to a server.

What you can calculate

Child Custody Time CalculatorChild Expense Split CalculatorChild Support Arrears CalculatorChild Support Calculator Canada Federal GuidelinesChild Support Modification CalculatorChild Support Multiple Families CalculatorChild Tax Benefit Split CalculatorCitizenship Timeline CalculatorCommon-Law Property Split CalculatorCommon-Law Rights CalculatorDivorce Asset Division CalculatorDivorce Cost Estimator CalculatorDivorce Legal Fees CalculatorEqualization Payment CalculatorExpress Entry CRS Score CalculatorHigh-Income Child Support CalculatorImmigration Appeal Cost Estimator CalculatorImputed Income Calculator for Support CALegal Name Change Cost CalculatorMarital Debt Division CalculatorMatrimonial Home Buyout CalculatorMatrimonial Home Equity CalculatorParenting Time Percentage CalculatorPension Division CalculatorPost-Secondary Child Support CalculatorPrenup Protected Assets CalculatorPrenuptial Agreement Cost CalculatorRelocation Factors Score CalculatorRetroactive Child Support CalculatorSection 7 Expenses CalculatorSeparation Agreement Cost CalculatorSeparation Date Deadline CalculatorShared Custody Support Offset Calculator CASpousal Support Buyout CalculatorSpousal Support Calculator — Canada (SSAG)Spousal Support Duration Calculator

How accurate are they?

Our family law calculators use up-to-date statutory rates, provincial and state data, and the same formulas lawyers and courts rely on. They are designed for planning and research — actual outcomes depend on your specific facts, jurisdiction, and judicial or agency discretion. Rates are reviewed and updated as laws change. For decisions that matter, confirm the numbers with a licensed lawyer.

Canada and United States coverage

Legal rules differ sharply between the two countries, so every family law calculator is built in a Canadian version (using provincial rules) and a US version (using state-level rules). You are viewing the Canada edition; switch countries any time from the calculator hub.

Free to embed

Law firms and legal sites can embed any of these family law calculators free — each has a one-click embed that drops an interactive widget onto your own site, with a "Powered by Lexscale.ai" link and no API key required.

Family Law Calculators — FAQ

Are these family law calculators free?
Yes. Every family law calculator on Lexscale.ai is 100% free, needs no signup, and runs entirely in your browser — nothing you enter is sent to a server. You can use them as many times as you like.
Do these calculators work for Canada?
Yes — this page is the Canada edition. Each family law calculator uses Canada-specific rules, and most are also available in the other country's version. Results reflect current statutory rates and standard legal formulas for Canada.
How accurate are the family law calculators?
They use current Canada statutory rates, provincial/state data, and standard legal formulas to give reliable planning estimates. Exact outcomes depend on your facts, jurisdiction, and the discretion of courts or agencies, so confirm important numbers with a qualified lawyer.
Can I embed these family law calculators on my law firm website?
Yes. Every calculator has a free embed option — click 'Embed this calculator' on any calculator page to copy an iframe snippet. It includes a 'Powered by Lexscale.ai' attribution link, and no API key or account is required.
Which family law calculator should I use?
Start with the one that matches your question. This section includes Child Support Calculator Canada Federal Guidelines, Spousal Support Calculator — Canada (SSAG), Child Custody Time Calculator, Retroactive Child Support Calculator and more. Each calculator explains what it estimates and links to related tools so you can move between them.
Are these calculators legal advice?
No. They are free educational estimating tools, not legal advice, and do not create a lawyer-client relationship. For advice on your specific situation, consult a licensed lawyer in your jurisdiction.

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