Belgium · EUR · Confirmed payment amounts

Belgium contribution cost calculator

Compare your own required, voluntary and approved back payments. Keep employer funding and cash tax savings separate.

Sources checked 4 October 2026 · Review due before 1 January 2027

Belgian statutory social security and authorised pension regularisation. Use the Federal Pensions Service's approved regularisation quote or the social-insurance/mutual fund's coverage decision for the personal cost. Use the tax certificate and an official tax assessment or calculation for confirmed tax savings. Keep employer-funded contributions and any public funding separate, and obtain a current pension-effect confirmation where reform changes may affect the result.

Read the Belgium contribution rules before entering amounts.

Your payment comparison

Use amounts for the same selected period, with no currency conversion. Keep the official record or quote available.

1. Your own commitment

Required payments · your share (EUR)

Use your assessed or payroll amount, before any cash tax saving entered below. Include only the schemes you want to compare. Enter 0 if none.

Have you checked the required amounts?

Separate your own share from employer/government funding. A zero entry also requires checking.

Voluntary payments · your share (EUR)

Money you pay or gross pay you give up for an accepted optional contribution. Do not include employer money or government credits here.

Approved back payments · your share (EUR)

Use the accepted quote, including any surcharge. A missing year alone does not establish that you can pay for it.

If adding voluntary or back payments

Check your eligibility, the specific periods and deadline. This comparison does not approve a payment.

2. Other funding and cash tax savings

Additional employer or government funding (EUR)

Only separate funding for these selected schemes. Exclude your salary sacrifice already entered above. Include a confirmed credit paid directly into a pension here, not as a cash tax saving.

Cash tax savings from your payments

A deductible amount is not the same as tax saved. Do not subtract a saving already reflected in your entered personal payment.

Confirmed reduction in your own tax (EUR)

Used only when actual cash tax savings are confirmed. Exclude tax relief credited into the fund, deductible contribution totals and employer tax savings.

3. Budget comparison

Budget months

Divide the total cost over 1–12 months for planning. This does not create an instalment plan or change the due date.

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Belgium · EUR

Your cost, made clear.

No personal result yet. Complete the checks and compare costs.

How to read the comparison

Your gross commitment: Everything you personally pay, including any gross pay you give up for the contribution.
Your net cost: Gross commitment less a confirmed cash tax saving. It is not shown when the saving is unknown.
Funding from others: Employer payments and credits paid into a fund are separate. They do not reduce the personal cost above.
Monthly planning equivalent: Total cost divided by your chosen months. It is not a payment schedule or an instalment offer.

How this cost comparison works

Your required payments + voluntary payments + approved back payments= Your gross commitment

Gross commitment − confirmed cash tax saving= Your net cost

Net cost is shown only when a cash tax saving is confirmed. If tax treatment is unknown, only gross cost is shown. Excluding tax relief is a scenario choice, not a finding that no relief exists.

Employer or government funding is displayed separately. It does not reduce your personal cost. A deduction base is not a cash saving, and tax relief paid into a pension is not a personal refund. Contributions tax, fees, investment returns and the value of future benefits are outside this comparison.

Worked example with invented amounts

In EUR, suppose you pay 2,400 required contributions, 600 voluntary contributions and an accepted 1,200 back payment. Your total commitment is 4,200. A separately confirmed 300 cash tax saving would make the cost 3,900. Over 12 budget months, that is 350 before or 325 after the saving. Separate employer funding of 1,000 raises combined payments to 5,200; your cost stays 3,900. These example amounts are not legal rates, an official quote or a recommended payment.

Budget months do not change a deadline

The monthly amount is a planning equivalent. A back payment can be due in one instalment, and tax relief can arrive later. Use a single currency and the same selected payment period. Check for credits, waivers and corrections before treating an amount as payable.

Your Belgium checklist

If mypension.be is incomplete, request correction and recognition of applicable protected periods before purchasing anything.
If requesting a study buyback, obtain the approved cost and the confirmed individual pension effect under the applicable rules.
If leaving self-employment or employment, ask the competent fund which continued-insurance coverage is available and how the personal premium is taxed.

Read the country policy, conditions and source explanations.

Official sources and review date

Sources checked 4 October 2026. Review due before 1 January 2027. Rules and individual assessments can change sooner.