Working Mother’s Child Relief (WMCR) Calculator Singapore 2026

Compare the old percentage-of-income scheme against the new fixed-dollar scheme and estimate your total WMCR relief and tax savings — free calculator with instant results in SGD.

Understanding WMCR for Singapore Working Mothers

Working Mother’s Child Relief (WMCR) is one of the largest personal income tax reliefs available to Singaporean mothers, designed by IRAS to encourage married, divorced, or widowed women to remain in the workforce after having children. It reduces your chargeable income directly — it is not a cash payout like GST Voucher or Baby Bonus, but it can meaningfully lower the income tax you owe every year your child remains a qualifying child. From Year of Assessment 2025, IRAS overhauled how WMCR is computed for children born on or after 1 January 2024, moving from a percentage-of-income formula to a fixed dollar amount. This calculator lets you model both schemes — including “mixed” families with children on either side of the cutoff date — and estimate the resulting tax savings.

Not financial or tax advice. All figures are for educational reference only, based on IRAS rules as at Q3 2026. Always verify your specific situation via the myTax Portal or a qualified tax adviser.

Why the 2024 Reform Matters

Under the old percentage-based scheme, WMCR scaled with a mother’s earned income — higher earners received a larger dollar relief for the same child. The new fixed-dollar scheme, applying to children born or adopted on or after 1 January 2024, gives every eligible mother the same relief amount per child regardless of income, which IRAS says better targets support toward lower- and middle-income working mothers while keeping the scheme fiscally sustainable as it matures.

Who Qualifies for WMCR

You must be a Singapore tax resident, married, divorced, or widowed, and have earned income from employment, trade, business, or profession in the relevant year. Your child must be a Singapore Citizen and satisfy the Qualifying Child Relief (QCR) or Child Relief (Disability) conditions — generally unmarried, under 16 (or studying full-time), with income not exceeding S$4,000 in the year.

How to Use This WMCR Calculator

1. Enter your annual earned income: Your gross earned income for the year (employment, trade, or business income) — this determines your old-scheme relief.
2. Select the number of qualifying children: Choose 1 to 5, entered in birth order with your eldest child first.
3. Tick which children were born on or after 1 January 2024: Leave unticked for children born before that date (old scheme applies to them).
4. Read your results instantly: The calculator splits your relief into old-scheme and new-scheme totals, sums them, and estimates the resulting income tax saved.

The calculator instantly shows your old-scheme relief, new-scheme relief, total WMCR relief, and an estimated tax saving based on current IRAS resident tax brackets.

Pro tip: Combine this calculator with our Income Tax Calculator to see your full tax bill after all reliefs, or our Parenthood Tax Rebate Calculator to stack additional rebates on top of WMCR.

What Is Working Mother’s Child Relief (WMCR)?

WMCR is a personal income tax relief that reduces the chargeable income of eligible working mothers in Singapore, administered by IRAS. It was introduced to keep women in the workforce after childbirth by directly rewarding continued employment or business income with a lower tax bill. Unlike Baby Bonus or GST Voucher, WMCR is not a cash disbursement — it lowers the taxable income figure your final tax rate is applied to, so its real dollar value depends on both the relief amount and your marginal tax rate. WMCR can be claimed for every qualifying child, and the relief for each child compounds — a mother with three qualifying children stacks three separate WMCR amounts, subject to an overall cap explained below. The scheme sits alongside Qualifying Child Relief (QCR) and Parenthood Tax Rebate as the three pillars of Singapore’s family-linked income tax reliefs.

How WMCR Works: Old Scheme vs New Scheme

For children born or adopted before 1 January 2024, WMCR is calculated as a percentage of the mother’s earned income for that year: 15% for the 1st child, 20% for the 2nd child, and 25% for the 3rd and every subsequent child. If a mother has multiple pre-2024 children, these percentages are added together, but the combined total is capped at 100% of her earned income. For children born or adopted on or after 1 January 2024, WMCR is instead a fixed dollar amount regardless of income: S$8,000 for the 1st child, S$10,000 for the 2nd child, and S$12,000 for the 3rd and subsequent children. For example, a mother earning S$80,000 with one pre-2024 child claims 15% × S$80,000 = S$12,000. If that same child had been born in 2024 instead, she would claim a flat S$8,000 — the calculator above runs both scenarios automatically.

Old Scheme vs New Scheme: Side-by-Side Comparison

Broadly, higher-income mothers with one or two children often came out ahead under the old percentage scheme, while lower- and middle-income mothers — and those with three or more children — tend to benefit more from the new fixed-dollar scheme, since the dollar amounts no longer shrink with a smaller income base.

Claiming WMCR: IRAS Filing & the Relief Cap

In most cases you do not need to file a separate WMCR claim — IRAS auto-computes it based on your child’s particulars (NRIC, birth certificate details) already on record via the Auto-Inclusion Scheme and your annual tax return. First-time claimants should verify their child’s details are updated in the myTax Portal. WMCR is capped alongside Qualifying Child Relief and Child Relief (Disability) at S$50,000 per child, and all of a mother’s personal income tax reliefs combined — CPF relief, SRS relief, WMCR, and others — are capped at S$80,000 per Year of Assessment. If you’re already close to the overall relief cap through CPF cash top-ups or SRS contributions, additional WMCR may not translate into further tax savings, so it’s worth checking your total relief position before assuming the full amount applies.

Mixed Families: Combining Old and New Scheme Children

A common misconception is that the birth-order tier “resets” separately for old-scheme and new-scheme children. It does not — the 1st/2nd/3rd+ tier is assigned by birth order across all of a mother’s qualifying children, regardless of which scheme each child falls under. For example, a mother with three children born in 2019, 2022, and 2025 has: child 1 (2019, old scheme) at 15% of income; child 2 (2022, old scheme) at 20% of income; and child 3 (2025, new scheme) at the 3rd-child fixed rate of S$12,000 — not the 1st-child rate of S$8,000. On an income of S$100,000, that works out to S$15,000 + S$20,000 + S$12,000 = S$47,000 in combined WMCR relief, well within the S$50,000 per-child cap on each individual claim. Use the calculator above with the checkbox pattern that matches your family’s actual birth order to avoid this exact error.

WMCR as Part of Your Family’s Long-Term Financial Plan

The tax saved through WMCR is real cash that doesn’t have to sit idle — many Singapore families channel it directly into their child’s future costs or their own retirement runway. If a chunk of your WMCR-driven tax savings isn’t earmarked for near-term spending, running it through our Child Education Fund Calculator shows how much a consistent top-up narrows an education savings gap, while our Retirement Planning Calculator and Passive Income guide show how the same amount, invested consistently, compounds into a second income stream over 15-20 years. Treating a predictable annual tax relief as a recurring “found money” investment habit is one of the simplest ways Singapore families turn a policy benefit into long-term wealth.

Frequently Asked Questions

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