MTD for ITSA: Mandation for businesses and landlords with income over £50,000 begins April 2026.
MTD for ITSA: Mandation for income over £30,000 begins April 2027.
FHL Abolition: The Furnished Holiday Lettings tax regime is officially abolished as of April 2025.
Non-Dom Reform: The remittance basis is replaced by a new 4-year foreign income and gains (FIG) regime.
Basis Period Reform: Full transition to the "tax year basis" for all unincorporated businesses is now in effect.
SDLT: Temporary Stamp Duty thresholds are set to revert to previous levels from April 2025.
Dividend Allowance: The tax-free dividend allowance remains at £500 for the current year.
Capital Gains: The Annual Exempt Amount is fixed at £3,000 for individuals and personal representatives.
MTD for ITSA: Mandation for businesses and landlords with income over £50,000 begins April 2026.
FHL Abolition: The Furnished Holiday Lettings tax regime is officially abolished as of April 2025.
2026/27 TAX YEAR IS HEREMTD FOR INCOME TAX NOW MANDATORY FOR LANDLORDS & SELF-EMPLOYED OVER £50KDIVIDEND TAX RATES INCREASED TO 10.75% & 35.75% — OPTIMISE YOUR PAYOUTSADVANCED CALCULATORS FOR PROPERTY, CRYPTO, AND INHERITANCE TAX HERE
Calculate your exact take-home pay after Income Tax, National Insurance,
pension contributions, and student loan repayments. Supports all UK regions
including Scotland with different tax bands.
Purpose: Help employees understand their net salary, plan
budgets, compare job offers, and understand how pension contributions and
student loans affect their take-home pay.
Income Tax calculation with rUK 3-band or Scottish 6-band structure
Class 1 Employee National Insurance at 8%/2% (2026/27 rates)
Pension contributions (Net Pay, Salary Sacrifice, Relief at Source)
Calculate your self-employed Income Tax liability including Class 2 and Class 4
National Insurance contributions. Designed for sole traders, freelancers, and
contractors filing Self Assessment.
Purpose: Help self-employed individuals estimate their annual
tax bill, plan for Payments on Account, understand allowable expenses, and
prepare for Self Assessment filing deadlines.
Income Tax across all bands (Basic 20%, Higher 40%, Additional 45%)
Class 2 NIC (£3.65/week 2026/27, voluntary from 2024/25)
Class 4 NIC (6% main rate, 2% additional rate above £50,270)
Personal Allowance with taper for income over £100,000
Scottish Income Tax bands (5-tier structure) supported
💡 Self Assessment Overwhelm?
Our accountants can prepare your full Self Assessment return, maximise your expenses, and ensure HMRC compliance.
Complete Self Assessment tax return calculator mimicking the full HMRC SA100
form with all supplementary pages (SA101, SA102, SA103, SA104, SA105, SA106,
SA108, SA118, SA119). The most comprehensive free tax calculator available.
Purpose: Provide a complete dummy tax return experience helping
users understand their full tax liability across all income types before filing
with HMRC. Perfect for complex tax situations with multiple income streams.
SA100: Main tax return form with all core sections
SA101: Additional information (capital allowances, losses, etc.)
SA102: Employment income (multiple employments supported)
SA103: Self-employment income (full or short version)
SA104: Partnership income (individual partner's share)
SA105: UK property income (rental income and expenses)
SA106: Foreign income (overseas employment, property, dividends)
SA108: Capital Gains Tax (property and other assets)
SA118: Student loan repayments (all plan types)
SA119: High Income Child Benefit Charge (HICBC)
Payments on Account calculation for following tax year
💡 Complex Tax Return?
Multi-income situations can be complex. Our experts specialise in complex Self Assessment returns with multiple income streams.
Calculate Corporation Tax for limited companies with marginal relief, associated
company adjustments, and short accounting period pro-rating. Supports both small
profits rate (19%) and main rate (25%).
Purpose: Help limited company directors and accountants estimate
Corporation Tax liability, plan profit extraction strategies, understand marginal
relief thresholds, and prepare for CT600 filing.
Small Profits Rate: 19% (profits up to £50,000)
Main Rate: 25% (profits over £250,000)
Marginal Relief calculation for profits between £50k-£250k
Associated company adjustments (limits divided by number of companies)
Short accounting period pro-rating (less than 12 months)
Trading profit, investment income, and chargeable gains included
💡 Company Tax Planning?
Our specialists can help structure your company efficiently, plan director remuneration, and ensure you're claiming all available reliefs.
Calculate VAT amounts, check registration thresholds, and estimate Flat Rate
Scheme payments. Supports standard rate (20%), reduced rate (5%), and zero
rate (0%) calculations with inclusive/exclusive conversions.
Purpose: Help VAT-registered businesses calculate VAT liabilities,
determine if registration is required (£90,000 threshold), compare Flat Rate Scheme
benefits, and understand VAT-inclusive vs VAT-exclusive pricing.
VAT registration threshold check (£90,000 rolling 12 months)
Standard rate (20%), reduced rate (5%), zero rate (0%) calculations
VAT-inclusive to VAT-exclusive conversion (and vice versa)
Flat Rate Scheme calculations with sector-specific rates
First-year Flat Rate Scheme discount (1% off)
Limited Cost Trader identification (16.5% rate)
💡 VAT Registration Confusion?
Our VAT specialists can help you register, choose the right scheme, and ensure Making Tax Digital compliance.
Calculate optimal director remuneration strategy balancing salary and dividends
for maximum tax efficiency. Includes Employment Allowance optimisation,
Corporation Tax impact analysis, and Personal Allowance taper considerations.
Purpose: Help limited company directors determine the most
tax-efficient mix of salary and dividends, understand Income Tax and NIC
implications, and maximise take-home pay while remaining HMRC-compliant.
HMRC income stacking rules (Salary → Savings → Dividends)
Optimal salary recommendation (Secondary Threshold vs Primary Threshold)
Employment Allowance impact (£10,500 for 2025/26+)
Calculate Capital Gains Tax on asset disposals including residential property,
shares, cryptoassets, and business assets. Includes Annual Exempt Amount,
Business Asset Disposal Relief (BADR), and 2024 Autumn Budget rate changes.
Purpose: Help individuals estimate CGT liability on asset sales,
understand Annual Exempt Amount (£3,000 from 2024/25), plan disposals across
tax years, and calculate BADR/Entrepreneurs' Relief eligibility.
Calculate student loan repayments for all plan types including Plan 1, Plan 2,
Plan 4 (Scotland), Plan 5 (from 2026/27), and Postgraduate Loans. Supports
stacked loan calculations for borrowers with multiple loans.
Purpose: Help graduates understand their student loan repayment
obligations, plan budgets around loan deductions, compare plan thresholds, and
understand how salary changes affect repayment amounts.
Plan 1: 9% above £26,900 (2026/27 threshold)
Plan 2: 9% above £29,385 (2026/27 threshold)
Plan 4 (Scotland): 9% above £33,795 (2026/27 threshold)
Calculate the High Income Child Benefit Charge (HICBC) clawback for parents
earning over £60,000 (2024/25+). Includes tapered calculation between £60,000-
£80,000 and 100% clawback above £80,000.
Purpose: Help high-earning parents understand if they need to
repay Child Benefit via Self Assessment, calculate the HICBC charge amount,
and plan income to minimise or avoid the charge.
Calculate all classes of National Insurance Contributions including Class 1
(Employee & Employer), Class 2 (Self-Employed), and Class 4 (Self-Employed
profits). Includes mid-year legislative changes and director NIC calculations.
Purpose: Help employees, employers, and self-employed individuals
understand their NIC liabilities, plan for Employment Allowance claims, and
calculate true employment costs.
Class 1 Employee NIC: 8% (£12,570-£50,270), 2% (above £50,270) 2025/26+
Class 1 Employer NIC: 15% above £5,000 (2025/26+), 13.8% (earlier)
Class 2 NIC: £3.65/week (2026/27), voluntary from 2024/25
Class 4 NIC: 6% (£12,570-£50,270), 2% (above £50,270) 2025/26+
Calculate Construction Industry Scheme (CIS) deductions for subcontractor
payments. Supports Gross Payment Status (0%), Standard Rate (20%), and
Higher Rate (30%) with VAT and materials excluded from calculations.
Purpose: Help contractors and subcontractors in the construction
industry calculate correct CIS deductions, understand verification status, and
ensure compliance with CIS monthly return requirements.
Gross Payment Status: 0% deduction (if registered and qualified)
Standard Rate: 20% deduction (registered subcontractors)
Higher Rate: 30% deduction (not registered with CIS)
Deductions apply to labour only (VAT and materials excluded)
HMRC verification flowchart logic implemented
Net payment calculation after CIS deduction
💡 CIS Compliance Help?
Our specialists can help with CIS registration, verification, monthly returns, and correct deduction treatment.
Calculate the true total cost of employing staff including gross salary,
Employer Class 1 NIC, auto-enrolment pension contributions, and Employment
Allowance relief. Essential for budgeting and hiring decisions.
Purpose: Help employers understand the full financial exposure
of hiring employees, budget accurately for staffing costs, compare employment
vs contracting, and plan for Employment Allowance claims.
Employer Class 1 NIC: 15% above £5,000 (2025/26+)
Auto-enrolment pension: Minimum 3% on qualifying earnings (£6,240-£50,270)
Calculate Section 455 tax on overdrawn Director's Loan Accounts (DLA).
Includes 9-month deadline tracking, bed & breakfasting anti-avoidance rules,
reclaim date calculation, and correct rates (35.75% for 2026/27).
Purpose: Help limited company directors and accountants
understand S455 tax liability on overdrawn loans, plan repayment timelines,
avoid bed & breakfasting pitfalls, and track reclaim dates.
Calculate Stamp Duty Land Tax for residential and commercial property
purchases. Includes first-time buyer relief, additional property surcharge
(3%), non-resident surcharge (2%), and commercial property rates.
Purpose: Help property buyers, investors, and conveyancers
estimate SDLT liability before purchase, understand reliefs available, and
budget accurately for property acquisition costs.
Calculate and understand your PAYE tax code. Includes all suffixes
(L/M/N/T/K), Marriage Allowance adjustments, benefits in kind, underpaid
tax collection, and Personal Allowance taper tracking.
Purpose: Help employees understand their tax code, verify
HMRC calculations, identify incorrect codes, and understand how allowances
and deductions affect their code number.
Code Formula: (Allowances - Deductions) ÷ 10
Suffix L: Standard Personal Allowance
Suffix M: Receiving Marriage Allowance (+£1,260)
Suffix N: Transferring Marriage Allowance (-£1,260)
Suffix T: Items need HMRC review
Suffix K: Deductions exceed allowances (negative)
💡 Wrong Tax Code?
If you believe your tax code is incorrect, our experts can review it, liaise with HMRC, and ensure you're paying the correct tax.
Calculate Self-Assessment late filing and late payment penalties using
HMRC's statutory penalty grid. Includes £100 fixed penalty, £10/day charges,
5% milestone penalties, and reasonable excuse guidance.
Purpose: Help taxpayers understand potential penalty
exposure for late filing or payment, plan for penalty payments, and
identify grounds for reasonable excuse appeals.
1 Day Late: £100 fixed penalty (applies even if no tax due)
3 Months Late: £10/day up to 90 days (£900 maximum)
6 Months Late: 5% of tax or £300 (whichever is greater)
12 Months Late: Another 5% or £300 (up to 100% for concealment)
Late Payment: 5% at 30 days, 6 months, 12 months
Interest charges at HMRC rate (currently 7.75%)
💡 Penalty Appeal Help?
If you've received penalties, our experts can review your case, identify reasonable excuses, and submit appeals to HMRC.
Purpose: Help employees calculate tax-free mileage
reimbursement, claim Mileage Allowance Relief if underpaid by employer,
and understand what counts as business miles vs commuting.
Calculate Marriage Allowance tax savings for married couples and civil
partners. Transfer 10% of Personal Allowance (£1,260) from non-taxpayer
to basic rate spouse. Includes 5-year backdating (£1,260 max refund).
Purpose: Help eligible couples understand Marriage
Allowance benefits, calculate potential tax savings, check eligibility
criteria, and backdate claims for maximum refund.
Transfer Amount: £1,260 (10% of £12,570 Personal Allowance)
Tax Saving: £252 per year (£1,260 × 20% basic rate)
Backdating: Up to 4 prior years (5 years total including current)
UK Tax Hero is not a regulated tax advisor, accountant, or financial advisor.
We are a technology company that provides free tax calculation tools for educational and
informational purposes only.
Estimates Only: All figures produced by our calculators are estimates
based on HMRC tax rates and thresholds for the selected tax years. Your actual tax
liability may differ based on your specific circumstances, allowances, reliefs,
legislative changes, or HMRC interpretation.
Not Professional Advice: Our calculators do not constitute:
Professional tax advice or tax planning recommendations
Financial advice or investment recommendations
Accounting services or bookkeeping services
Legal advice or legal interpretations of tax legislation
HMRC-approved calculations or guaranteed tax figures
Regulatory Status: UK Tax Hero is not regulated by HMRC, the Financial
Conduct Authority (FCA), the Association of Chartered Certified Accountants (ACCA),
the Institute of Chartered Accountants in England and Wales (ICAEW), or the Advertising
Standards Authority (ASA). We do not file tax returns on your behalf.
No Liability: UK Tax Hero accepts no liability for any financial loss,
penalties, interest charges, or other damages arising from reliance on calculator
estimates. You are solely responsible for verifying all calculations with a qualified
tax professional before filing with HMRC.
HMRC Compliance: While our calculators use HMRC-published rates and
follow HMRC calculation methodologies, we cannot guarantee that HMRC will accept your
calculations. Tax legislation is complex and subject to change. Always consult a
qualified tax advisor, accountant, or tax professional for advice tailored to your
specific situation.
Our Commitment: We provide these calculators 100% free because we
care about making UK tax simpler and more accessible. However, simplicity does not
replace professional expertise. For legal tax planning, Self Assessment filing,
Corporation Tax returns, VAT registration, or complex tax situations, please use
our Find an Expert
service to connect with verified UK tax professionals.
Last Updated: January 2026 | Calculator Suite Version: 5.1.0 | Tax Years Supported:
2022/23, 2023/24, 2024/25, 2025/26, 2026/27
Frequently Asked Questions
100 common questions about UK tax calculators, HMRC rules, and tax planning.
All answers are based on current HMRC guidance and legislation.
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