St. Johns Law Group Legal Resources
Florida Legal Calculators & Tools
Practical Florida calculators, deadline tools and legal resources for real estate, personal injury, construction, litigation, probate and estate planning. Use them as a starting point, then verify important results against the governing documents, facts and current law.
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One Resource Center
Legal Questions Often Begin With a Number or a Deadline
How much will a closing cost? When is a contract deadline? What might an injury claim involve? When must a construction notice or lien be served? How long may someone have to file a civil claim?
Real Estate
- Estimate common Florida closing costs
- Estimate seller proceeds and buyer cash-to-close
- Track important contract dates
Personal Injury
- Explore factors affecting an injury claim
- Review possible civil filing deadlines
- Understand comparative-fault issues
Construction
- Review Notice to Owner timing
- Review Claim of Lien deadlines
- Prepare a preliminary Chapter 558 notice
Featured Florida Legal Tools
Featured Florida Legal Calculators & Tools
Start with the SJLG calculator, deadline tool or legal resource that best matches your question.
Florida-focusedEducationalDesigned for practical use
$Real Estate
Florida Closing Cost Calculator
Estimate Florida seller net proceeds or buyer cash-to-close using SJLG’s production closing-cost platform, then connect with the real estate closing team.
Open Closing Cost Calculator → CReal EstateFlorida Critical Date Calculator
Calculate preliminary Florida real estate contract dates and deadlines, then verify the result against the actual contract and amendments.
Open Critical Date Calculator → 558ConstructionFlorida Chapter 558 Notice Generator
Create a preliminary Florida construction-defect notice and review the Chapter 558 presuit process before serving or responding to a claim.
Open Chapter 558 Generator → 713ConstructionFlorida Construction Lien Calculator
Estimate common Chapter 713 dates involving Notice to Owner, Claim of Lien, service, Notice of Contest and lien enforcement.
Open Construction Lien Calculator → SOLDeadlinesFlorida Statute of Limitations Calculator
Estimate preliminary filing deadlines by civil claim type and review important accrual, tolling, discovery and repose issues.
Open Limitations Calculator → %Damages & InterestFlorida Prejudgment Interest Calculator
Estimate prejudgment interest using Florida’s published statutory rate periods and view the calculation broken out by effective rate period.
Open Interest Calculator → +Personal InjuryFlorida Personal Injury Settlement Calculator
Explore medical expenses, lost income, injury severity and other factors that may affect evaluation of a Florida personal injury claim.
Open Injury Calculator → PProbateFlorida Probate Planning Suite
Use SJLG’s probate-planning resources to identify administration, estate and planning issues that may warrant further review.
Open Probate Planning Suite → ?Probate GuidanceFlorida Probate FAQs
Review common questions about Florida probate, estate administration, personal representatives, beneficiaries and estate assets.
Explore Probate FAQs →
Tools + Attorney Review
Calculators Help Identify the Question. Attorneys Evaluate the Legal Issue.
SJLG’s calculators and legal tools are designed to organize common financial, timing and procedural questions. When the result affects a contract, claim, lien right, filing deadline, closing or estate matter, our attorneys can review the governing documents, facts and current law.
Real Estate & Closing Tools
Florida Closing Costs, Net Sheets & Contract Dates
Useful starting points for Florida buyers, sellers, agents, lenders and property owners.
$Seller Tool
Seller Net & Closing Costs
Estimate common seller closing costs and potential net proceeds from a Florida real estate transaction.
Calculate Seller Costs → CBuyer ToolBuyer — Cash Purchase
Estimate buyer cash-to-close for a Florida cash purchase using the closing-cost calculator and Quick Quote platform.
Estimate Cash-to-Close → FBuyer ToolBuyer — Financed Purchase
Estimate buyer cash-to-close for a financed Florida purchase, including common transaction expenses and title-related estimates.
Estimate Financed Closing → DContract ToolCritical Dates Calculator
Calculate preliminary contract dates and deadlines, then verify them against the actual Florida real estate contract and amendments.
Calculate Critical Dates →
Personal Injury Tools
Florida Injury Claim & Accident Resources
Tools and guidance for people evaluating an accident, injury claim or filing deadline.
$Claim Value
Personal Injury Settlement Calculator
Explore how medical expenses, future care, lost income, injury severity and other factors may affect a claim.
Open Settlement Calculator → SOLDeadline ToolStatute of Limitations Calculator
Estimate a preliminary civil filing deadline while recognizing that accrual, tolling, repose and special rules may change the result.
Check a Potential Deadline → %Shared FaultComparative Negligence Guide
Learn how allegations that an injured person shared responsibility may affect a Florida negligence claim.
Understand Shared Fault →
Construction & Lien Resources
Florida Construction Deadline & Notice Tools
Construction lien and defect rights are deadline-driven. Use these tools as a starting point, then verify the result against the project facts and current Florida law.
45Notice to Owner
45-Day Notice to Owner Timing
Review common Notice to Owner timing issues affecting contractors, subcontractors and suppliers.
Review NTO Timing → 90Claim of Lien90-Day Claim of Lien Timing
Review the general timing framework for recording a Florida Claim of Lien and why final furnishing can become disputed.
Explore Chapter 713 Deadlines → 558Construction DefectsFlorida Chapter 558 Notice Generator
Prepare a preliminary Chapter 558 notice framework and review the presuit inspection and response process.
Open Chapter 558 Generator → 1YLien EnforcementLien Foreclosure Timing
Review ordinary lien-enforcement timing and why a Notice of Contest or other event can shorten the available period.
Review Lien Enforcement →
Deadline & Timing Tools
Dates Matter in Florida Legal Matters
Calculator results are preliminary only. Contracts, statutes, court rules, accrual principles, tolling and claim-specific exceptions can change a date.
SOLCivil Claims
Statute of Limitations Calculator
Estimate preliminary filing periods for selected Florida civil claims and identify accrual, tolling and repose questions that may require review.
Open Limitations Calculator → REReal Estate ContractFlorida Critical Dates
Calculate preliminary real estate contract dates, then verify the actual contract language and amendments.
Open Critical Dates Tool → 713ConstructionChapter 713 Deadline Guide
Review Notice to Owner, Claim of Lien, service and enforcement timing concepts under Florida Construction Lien Law.
Review Construction Deadlines → %Interest CalculationPrejudgment Interest Calculator
Estimate prejudgment interest using published Florida statutory rate periods and review the period-by-period calculation.
Open Interest Calculator →
Probate & Estate Planning Tools
Florida Probate Planning & Administration Resources
Practical tools and guidance for families, personal representatives and beneficiaries evaluating Florida probate and estate-planning issues.
PPlanning Tool
Florida Probate Planning Suite
Identify common probate, administration, estate and planning issues that may require further review.
Open Probate Planning Suite → ?FAQ CenterFlorida Probate FAQs
Review common questions concerning Florida probate, personal representatives, beneficiaries, timelines and estate assets.
Explore Probate FAQs → §Authority HubFlorida Probate Resource Center
Explore St. Johns Law Group’s probate and estate-administration services, guides and related resources.
Explore Probate Resources →
From Calculator to Legal Guidance
Explore the Practice Area Behind the Tool
A calculator can identify an issue. The related authority hub explains the law, process and available legal services.
Important
Calculators Are Educational Tools — Not Legal Advice
Calculator results depend on the information entered and the assumptions built into the tool. Actual costs, deadlines, damages and legal rights can differ significantly.
Do not rely solely on a calculator when a legal right is at stake.
Contracts, statutes, court rules, insurance provisions, title matters, medical evidence, lien requirements, tolling rules and other facts can change the result. An attorney should review the actual documents, facts and current law when the result matters.
Resource center last reviewed: August 2026. Individual calculator pages may include additional statutory, rate or methodology updates.
Recent Legal Insights
Recent St. Johns Law Group Articles
Recent legal guidance across real estate, personal injury, construction, litigation, probate and other Florida matters.
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