10 free tools — No login required

Free UK Legal Calculators 2026

Landlord tools, employment calculators, immigration checkers and more. Updated for the Renters' Rights Act 2025 and Employment Rights Act 2025.

England & Wales · Updated May 2026 · No login · No signup

🏠 Landlord & Property

3 calculators · Updated for RRA 2025
Property · Section 13
Rent Review Calculator
Check if a proposed rent increase is valid — 12-month rule, 2-month notice, Form 4A required under the Renters' Rights Act 2025.
Open calculator →
Property · Deposit
Deposit Protection Checker
Check the 5-week cap, 30-day protection deadline, and prescribed information service — or see exactly what to fix.
Open checker →
Property · Section 8
Section 8 Ground Picker
Answer 4 questions to find the right Section 8 ground — notice period, evidence needed, mandatory or discretionary.
Open picker →

💼 Employment & HR

2 calculators · Updated for ERA 2025
Employment · Redundancy
Redundancy Pay Calculator
Calculate statutory redundancy pay by age, service, and weekly wage. Updated for the 2026 weekly pay cap of £700.
Open calculator →
Employment · Notice
Notice Period Checker
Find the minimum statutory notice for any employee and check if contractual notice provides more.
Open checker →

✈ Immigration & Visa

2 calculators · Updated April 2026
Immigration · Spouse Visa
Spouse Visa Income Checker
Check if the UK sponsor meets the £29,000 Minimum Income Requirement for a spouse visa application in 2026.
Open checker →
Immigration · ILR
ILR Eligibility Checker
Find out when you become eligible for Indefinite Leave to Remain based on your visa type and arrival date.
Open checker →

📊 Debt, Tax & Business

3 calculators
Debt · Late Payment
Late Payment Interest Calculator
Calculate statutory interest and fixed compensation on overdue B2B invoices under the Late Payment of Commercial Debts Act 1998.
Open calculator →
Wills · Inheritance Tax
Inheritance Tax Estimator
Estimate IHT on an estate including nil rate bands, RNRB, spouse transfers, and the April 2026 changes.
Open estimator →
Business · IR35
IR35 Risk Checker
Answer 5 questions about a contractor engagement and get an indication of inside or outside IR35 risk.
Open checker →

Looking for detailed guides rather than calculators?

Browse all free legal guides →

Section 13 Rent Review Calculator

Check if a proposed rent increase is valid under the Renters' Rights Act 2025. Landlords can only increase rent once every 12 months using Form 4A with at least 2 months' notice.

Must be at least 2 months after serving notice

Deposit Protection Checker

Check your deposit is within the 5-week cap, protected within 30 days, and prescribed information served. Failure blocks most Section 8 grounds and risks a 1-3x deposit penalty.

Section 8 Ground Picker

Section 21 is permanently abolished from 1 May 2026. Answer the questions below to find the correct Section 8 ground, notice period, and evidence required.

Why do you need the property back?

Redundancy Pay Calculator

Calculate statutory redundancy pay based on age, years of continuous service, and weekly wage. Updated for the 2026 weekly pay cap of £700. This is the statutory minimum — your contract may provide more.

Capped at £700 for statutory redundancy purposes in 2026

Notice Period Checker

Find the minimum statutory notice period based on years of continuous employment. The greater of statutory and contractual notice always applies.

Spouse Visa Income Checker

Check if the UK sponsor meets the £29,000 Minimum Income Requirement (MIR) for a UK spouse or partner visa in 2026.

ILR Eligibility Checker

Find out when you become eligible to apply for Indefinite Leave to Remain based on your visa type and start date.

ILR requires no more than 180 days absent in any rolling 12-month period

Late Payment Interest Calculator

Calculate statutory interest and fixed late payment compensation on overdue B2B invoices under the Late Payment of Commercial Debts Act 1998.

Always verify the current rate at bankofengland.co.uk before calculating

Inheritance Tax Estimator

Estimate IHT payable on an estate including nil rate bands, RNRB, and spouse transfers. For guidance only — complex estates need professional advice.

Enter 0 if no property or not left to children or grandchildren
Leaving 10% or more to charity reduces IHT to 36%

IR35 Risk Checker

Get an indication of whether a contractor engagement looks inside or outside IR35. A guide only — full IR35 status requires a formal Status Determination Statement.

Does the contractor work exclusively for you?

Stay Current

Get notified when the law changes

One plain-English email per regulation change. No spam, unsubscribe any time.