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Self-Employed Tax Calculator (UK 2024/25)

Annual profit / net income (£)

Income after allowable expenses

What is Self Employed Tax Calculator?

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Az Egyesült Királyságban élő önálló vállalkozók kereskedési nyereségük után jövedelemadót és kétféle nemzeti biztosítást (2. osztály és 4. osztály) fizetnek. Az alkalmazottakkal ellentétben nincs KIFIZETÉS – az adót önellenőrzésen keresztül fizetik meg, jellemzően két előlegfizetésben (január 31. és július 31.), plusz egy kiegyenlítő befizetés.

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How to Self Employed Tax Calculator

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1Income Tax is the same as for employees: 20% basic, 40% higher, 45% additional rate
2Class 4 NI: 9% on profits between £12,570–£50,270, then 2% above £50,270
3Class 2 NI: £3.45 per week (£179.40/year) if profits exceed £12,570 — contributes to state pension
4First Self Assessment deadline: 31 January following the tax year end
5Allowable expenses reduce taxable profit: tools, phone, vehicle (business %), home office, training

Worked Examples

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Example 1

Given:£30,000 profit

Eredmény:Income tax: £3,486 · Class 4 NI: £1,564 · Class 2: £179 = £5,229 total

Take-home: ~£24,771

Example 2

Given:£60,000 profit

Eredmény:Income tax: £11,432 · Class 4 NI: £3,531 · Class 2: £179 = £15,142 total

Effective rate: ~25%

Real-World Applications

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Personal financial planning and budget setting

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Comparing loan options before signing agreements

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Understanding the true cost of borrowing over time

Self-Employed Tax Summary 2024/25

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Tax / NI	Rate	On what income
Income Tax	20%	Profit £12,571 – £50,270
Income Tax	40%	Profit £50,271 – £125,140
Income Tax	45%	Profit above £125,140
Class 4 NI	9%	Profit £12,570 – £50,270
Class 4 NI	2%	Profit above £50,270
Class 2 NI	£3.45/week	If profit > £12,570

Frequently Asked Questions

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What is Self Employed Tax?

Self-employed individuals in the UK pay Income Tax and two types of National Insurance (Class 2 and Class 4) on their trading profits. Unlike employees, there is no PAYE — tax is paid via Self Assessment, typically in two payments on account (31 January and 31 July) plus a balancing payment

How accurate is the Self Employed Tax calculator?

The calculator uses the standard published formula for self employed tax. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Self Employed Tax calculator use?

This calculator works with inches, British pounds, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Self Employed Tax calculator use?

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.

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Pro Tip

Minden számlafizetés 25-30%-át tegye félre adóra. Nyisson külön megtakarítási számlát, és azonnal utalja át ezt az arányt – ezzel elkerülhető a januári adósokk.

References

Csak tájékoztató jellegű. Ez az eszköz nem minősül pénzügyi tanácsadásnak. Befektetési vagy pénzügyi döntések meghozatala előtt forduljon képzett pénzügyi tanácsadóhoz.

Deep Dive

Read the full guide on how to use this calculator effectively

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