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Singapore WMCR Calculator

Free Singapore WMCR calculator. Working Mother’s Child Relief: fixed $8,000/$10,000/$12,000 per child for children born from 2024, or percentage-based for older children.

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Working Mother’s Child Relief.

WMCR relief

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A reform that quietly redrew who benefits

Working Mother’s Child Relief rewards mothers who stay in the workforce after having children. For years it was generous to high earners: 15 percent of the mother’s earned income for the first child, 20 percent for the second, and 25 percent for the third and beyond, with no fixed dollar ceiling on the percentage itself. From 1 January 2024, IRAS changed the rule for children born or adopted on or after that date to flat dollar amounts: $8,000 for the first child, $10,000 for the second, and $12,000 each for the third and later. Older children keep the legacy percentage. This calculator handles both regimes, which is why it asks you to pick the scheme as well as the child order.

The reform created winners and losers. A lower-income mother whose percentage relief was small now gets a fixed amount that is often larger. A high-income mother whose percentage relief used to be substantial now finds a fixed cap that can be far less than the old formula would have given. The tool lets you see exactly which side of that line your situation falls on.

A second child under the legacy percentage

Consider a mother of an older second child, still on the percentage scheme, earning $90,000, with her top income taxed at 11.5 percent. For the second child the rate is 20 percent of earned income, and the relief saves tax at her marginal rate.

Had this same second child been born in 2024 or later, the relief would be the fixed $10,000, saving $1,150 at the same rate. The chart contrasts the two regimes for a second child as income rises, showing where the old percentage overtakes the new fixed amount.

The two bars are equal at $50,000 of income, where 20 percent equals exactly $10,000. Below that, the fixed amount wins; above it, the old percentage pulls ahead.

The $50,000 per-child cap that can claw it back

There is a ceiling most parents forget. The total of Qualifying Child Relief, or Handicapped Child Relief, plus WMCR for any one child cannot exceed $50,000. For a high earner whose percentage WMCR is already large, adding the $4,000 QCR can run into that wall, and the excess is simply disallowed. The relief is also given to the mother only and requires that the child is a Singapore citizen. A common mistake is for a couple to assume the relief can be shared or transferred to the higher-earning father; it cannot, since WMCR is designed specifically to keep mothers economically active.

Bear in mind too that WMCR, like every relief, sits under the overall $80,000 personal income tax relief cap. A large percentage WMCR plus heavy CPF and SRS reliefs can collectively breach that ceiling, at which point the marginal relief stops saving tax. If you are near the top of the relief stack, run your full picture through the relief summary tool before assuming the WMCR figure here translates dollar for dollar into tax saved.

My children were born before and after 2024. Which rule applies to each?

Each child is assessed under the rule that applied at their birth or adoption. A child born in 2022 keeps the percentage scheme, while a sibling born in 2025 gets the fixed dollar amount. You apply WMCR child by child, not as a single household choice, so a mother can legitimately claim a percentage for one child and a fixed amount for another in the same year.

Does WMCR help if I have no chargeable income after other reliefs?

No. WMCR reduces chargeable income, so it only saves tax if you still have taxable income for it to offset. A mother whose income is already below the $20,000 tax-free threshold, or whose other reliefs have wiped out her chargeable income, gains nothing further from WMCR. The relief rewards working mothers who are paying tax, not those already outside the tax net.

Frequently asked questions

How did WMCR change from 2024?
For children born or adopted on or after 1 January 2024, WMCR switched from a percentage of earned income to fixed dollar amounts: S$8,000 for the first child, S$10,000 for the second, and S$12,000 each for the third and beyond. Children born before 2024 keep the legacy rates of 15%, 20%, and 25% of the mother's earned income. IRAS announced this change in Budget 2023 to make the relief more equitable across income levels.
What is the per-child cap and how does it interact with QCR?
The combined total of Qualifying Child Relief (or Handicapped Child Relief) and WMCR for any single child cannot exceed S$50,000. QCR is S$4,000 per qualifying child (or S$7,500 under HCR). This means the effective WMCR ceiling per child is S$46,000 under QCR or S$42,500 under HCR. High earners on the legacy percentage scheme whose relief would exceed these limits lose the excess entirely.
Does WMCR fall under the S$80,000 personal income tax relief cap?
Yes. WMCR is a personal income tax relief and counts toward the S$80,000 total relief cap introduced by IRAS. Other reliefs such as CPF top-up relief, SRS contributions, NS man relief, and course fees all compete for the same S$80,000 pool. If your combined reliefs exceed S$80,000, IRAS disregards the excess and you pay tax as if your chargeable income were only reduced by S$80,000. Mothers near this cap should model their full relief stack before relying on the WMCR figure alone.
Who qualifies to claim WMCR and can the father claim it instead?
WMCR is available only to a working mother who is a Singapore tax resident and whose child is a Singapore citizen. The child must be legitimate, legally adopted, or born to a citizen mother. The relief belongs exclusively to the mother and cannot be transferred to or shared with the father. The child must not have been used to claim WMCR by another person in the same year. For children born from 2024 onward, the mother must have earned income in the year of assessment; the fixed dollar relief still requires active workforce participation.

Related calculators

Sources

  1. IRAS — Individual Income Tax Rates (Resident), Inland Revenue Authority of Singapore
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