Legal Calculators the Big Sites Don't Build
BOI compliance, personal injury settlements, UK redundancy, immigration points, inheritance tax — every tool explains the exact formula and the law behind the result.
Does Your LLC or Corporation Owe FinCEN a
BOI Report in 2026?
The Corporate Transparency Act requires most US LLCs, S-Corps, and C-Corps to file Beneficial Ownership Information with FinCEN. 32 million businesses affected. Most owners don't know. Our free 2-minute audit tells you exactly where you stand.
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Every calculator includes the formula, real-world use cases, and expert FAQs
Popular Legal Calculators
High-intent tools the big calculator sites don't build — every one explains the underlying law
BOI Compliance Checker
2-minute risk audit — does your LLC, S-Corp, or C-Corp owe FinCEN a BOI report?
⚠ $591/day penaltyPersonal Injury Settlement Calculator
Multiplier method estimate with comparative negligence adjustment.
🇺🇸 USAUK Redundancy Pay Calculator
Statutory redundancy under Employment Rights Act 1996 — age-banded formula.
🇬🇧 United KingdomInheritance Tax Calculator
UK IHT (40% above £325k), US estate tax ($13.6M exemption), SA estate duty.
🌍 UK · USA · SACanada Express Entry CRS
Calculate your CRS points score for Canadian permanent residence.
🇨🇦 CanadaChild Support Calculator
Income shares model — multi-jurisdiction guide including SA, USA, UK, Canada.
🌍 Multi-countryFinance Calculators
Amortization formulas, compound growth, and FIRE planning — all explained
Mortgage Calculator
Monthly payment including P&I, tax, insurance — with amortization formula explained.
FIRE Calculator
Your Financial Independence number across 6 countries — 4% safe withdrawal rate.
🌍 6 CountriesCompound Interest Calculator
Daily, monthly, or annual compounding with optional contributions.
🇿🇦 South African Legal Tools
BCEA employment law, SARS property taxes, and conveyancing — the most comprehensive SA legal calculator set online
SA Retrenchment Calculator
Severance pay, notice pay & leave payout under BCEA 1997.
🇿🇦 South AfricaSA Transfer Duty Calculator
SARS 2024/25 brackets with attorney fee and deeds office estimates.
🇿🇦 SARS 2024/25SA Leave Payout Calculator
Annual leave payout on resignation or retrenchment — BCEA Section 20.
🇿🇦 South AfricaWhy OurCalculators.com Is Different
🏛️ Legal Tools Nobody Else Builds
Calculators.net and Calculator.net have almost zero dedicated legal tools. We cover BOI compliance, personal injury, UK redundancy, family law, immigration, estate planning, and more — with the underlying statute cited.
📐 Formula Transparent
Every calculator shows the exact formula used. You should understand your result — not just trust it. We show variable definitions, worked examples, and links to authoritative sources (FinCEN, HMRC, IRCC, SARS).
⚡ Zero Server Delay
All calculations run in your browser. Results update instantly as you type — no server round-trip. Your data never leaves your device.
🌍 Multi-Jurisdiction
Unlike generic calculators, our legal and finance tools support specific countries — USA, UK, Canada, Australia, South Africa — with the correct local laws and current rates for each.
Our Sister Sites
Specialist calculator hubs covering specific jurisdictions and communities
Free Online Calculators for Legal, Finance, and More
OurCalculators.com was built to fill a genuine gap: most calculator websites focus entirely on finance and math, leaving millions of people searching for legal calculation tools with no good answer. Whether you need to check your BOI compliance obligations under the Corporate Transparency Act, calculate a personal injury settlement using the multiplier method, work out UK statutory redundancy pay under the Employment Rights Act, or find your Canada Express Entry CRS score — this site has a dedicated, accurate, and clearly-explained tool for you.
US Legal Calculators
Our US legal tools cover the highest-value niches: BOI reporting compliance under the Corporate Transparency Act (FinCEN), personal injury settlement estimation using the multiplier and per diem methods, child support guidelines, contingency fee calculations, and court deadline planning. Every tool explains the underlying federal or state rule.
UK Legal Calculators
For UK users, we offer statutory redundancy pay calculation under the Employment Rights Act 1996 (age-banded formula, £643/week cap), with a clear explanation of the taper relief and tax-free threshold rules. Inheritance tax calculation under HMRC guidelines includes the nil-rate band, residence nil-rate band, and spouse exemption.
Finance and Planning Calculators
Our finance calculators cover the full spectrum — mortgage amortization with the standard P&I formula, compound interest with configurable compounding frequency, loan payment schedules, and the FIRE calculator supporting six countries with local inflation and withdrawal rate assumptions.