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Self-Employed NIC — Class 4 (UK)

Compute Class 4 National Insurance for the self-employed: 6% between the LPL and UPL, 2% above.

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Données vérifiées · maj 2026

What National Insurance do the self-employed pay in 2025/26?

Class 4 NIC at 6% on profits between £12,570 (Lower Profits Limit) and £50,270 (Upper Profits Limit), then 2% above. Compulsory Class 2 was abolished from 6 April 2024.

Źródło: HMRC self-employed NIC (gov.uk/self-employed-national-insurance-rates); Social Security Contributions and Benefits Act 1992 s 15. · zaktualizowano 2026

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Wszystko o Self-Employed NIC — Class 4 (UK)

📋Prezentacja+

Calculates Class 4 NIC for 2025/26 on self-employment profits: 6% between the Lower Profits Limit (£12,570) and Upper Profits Limit (£50,270), and 2% above. Class 2 NIC was abolished from 6 April 2024.

💡 Dobre praktyki

Class 4 NIC is paid through Self Assessment alongside Income Tax.
Profits below the LPL still receive NI credits in some cases.

🔢 Konkretny przykład

On £40,000 of self-employment profits (2025/26): Class 4 NIC is 6% on profits between £12,570 and £40,000 = £1,645.80 (nothing at the 2% rate, as profits are below £50,270).

📖Instrukcja użycia+

Jak korzystać z tego kalkulatora

1
Enter annual profits.
2
Adjust the LPL/UPL if needed.
3
Read the Class 4 NIC due and effective rate.

📚Słowniczek+

Lower Profits Limit: £12,570 — Class 4 NIC starts above this level.
Voluntary Class 2: Below the LPL, voluntary Class 2 protects State Pension entitlement.

ℹ️Źródła i aktualizacje+

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Ostatnia aktualizacja danych

21 maja 2026

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Źródła i odniesienia

HMRC self-employed NIC (gov.uk/self-employed-national-insurance-rates); Social Security Contributions and Benefits Act 1992 s 15.

Dane tego kalkulatora są regularnie aktualizowane zgodnie z najnowszymi oficjalnymi stawkami. W razie wątpliwości sprawdź oficjalne źródła wymienione powyżej.

FAQ — Self-Employed NIC — Class 4 (UK)

What National Insurance do the self-employed pay in 2025/26?+

Class 4 NIC at 6% on profits between £12,570 (Lower Profits Limit) and £50,270 (Upper Profits Limit), then 2% above. Compulsory Class 2 was abolished from 6 April 2024.

Do I still pay Class 2 National Insurance?+

Compulsory Class 2 was abolished from 6 April 2024. Those with profits below the Lower Profits Limit can still pay voluntary Class 2 to protect their State Pension entitlement.

How do I pay Class 4 National Insurance?+

Class 4 NIC is calculated and paid through Self Assessment alongside your Income Tax, by 31 January after the end of the tax year.

What if my profits are below £12,570?+

No Class 4 NIC is due. You may receive NI credits in some cases, or pay voluntary Class 2 to keep your State Pension record complete.

Powiązane kalkulatory

What National Insurance do the self-employed pay in 2025/26?

Class 4 NIC at 6% on profits between £12,570 (Lower Profits Limit) and £50,270 (Upper Profits Limit), then 2% above. Compulsory Class 2 was abolished from 6 April 2024.

Źródło: HMRC self-employed NIC (gov.uk/self-employed-national-insurance-rates); Social Security Contributions and Benefits Act 1992 s 15. · zaktualizowano 2026

Wszystko o Self-Employed NIC — Class 4 (UK)

📋Prezentacja+

💡 Dobre praktyki

Class 4 NIC is paid through Self Assessment alongside Income Tax.
Profits below the LPL still receive NI credits in some cases.

🔢 Konkretny przykład

On £40,000 of self-employment profits (2025/26): Class 4 NIC is 6% on profits between £12,570 and £40,000 = £1,645.80 (nothing at the 2% rate, as profits are below £50,270).

📖Instrukcja użycia+

Jak korzystać z tego kalkulatora

1
Enter annual profits.
2
Adjust the LPL/UPL if needed.
3
Read the Class 4 NIC due and effective rate.

📚Słowniczek+

Lower Profits Limit: £12,570 — Class 4 NIC starts above this level.
Voluntary Class 2: Below the LPL, voluntary Class 2 protects State Pension entitlement.

ℹ️Źródła i aktualizacje+

📅

Ostatnia aktualizacja danych

21 maja 2026

📄

Źródła i odniesienia

HMRC self-employed NIC (gov.uk/self-employed-national-insurance-rates); Social Security Contributions and Benefits Act 1992 s 15.

Dane tego kalkulatora są regularnie aktualizowane zgodnie z najnowszymi oficjalnymi stawkami. W razie wątpliwości sprawdź oficjalne źródła wymienione powyżej.

FAQ — Self-Employed NIC — Class 4 (UK)

What National Insurance do the self-employed pay in 2025/26?+

Class 4 NIC at 6% on profits between £12,570 (Lower Profits Limit) and £50,270 (Upper Profits Limit), then 2% above. Compulsory Class 2 was abolished from 6 April 2024.

Do I still pay Class 2 National Insurance?+

Compulsory Class 2 was abolished from 6 April 2024. Those with profits below the Lower Profits Limit can still pay voluntary Class 2 to protect their State Pension entitlement.

How do I pay Class 4 National Insurance?+

Class 4 NIC is calculated and paid through Self Assessment alongside your Income Tax, by 31 January after the end of the tax year.

What if my profits are below £12,570?+

No Class 4 NIC is due. You may receive NI credits in some cases, or pay voluntary Class 2 to keep your State Pension record complete.