The prize amounts posted by 4D lottery operators are gross figures. Between that headline number and your actual payout sits a chain of deductions, multipliers, and structural rules that most participants never examine until a winning ticket produces less cash than expected. This guide walks through the complete calculation from bet placement to net receipt — using real numbers from live market structures.
The Anatomy of a 4D Payout
Every 4D payout has four variables that determine the final figure:
- Bet amount — the face value of your wager (typically minimum $1 per number)
- Bet type — ordinary, system, iBet, or permutation — each carries a different multiplier and coverage structure
- Prize tier — first, second, third, starter, consolation — with fixed payout ratios per tier
- Applicable deductions — GST/tax withholding, platform fees (for online operators), and market-specific levies
The payout formula at its simplest:
Every variable in that formula deserves separate attention.
Prize Multiplier Tables: Singapore 4D Reference
Singapore Pools 4D is the most transparent regulated 4D market in Southeast Asia, publishing its full prize table publicly. For an ordinary bet of $1:
| Prize Tier | Winning Numbers | Big Bet ($) | Small Bet ($) |
|---|---|---|---|
| 1st Prize | 1 | 2,000 | 3,000 |
| 2nd Prize | 1 | 1,000 | 2,000 |
| 3rd Prize | 1 | 490 | 800 |
| Starter Prize | 10 | 250 | — |
| Consolation | 10 | 60 | — |
The Big/Small distinction is structural, not optional. "Big" covers all five prize tiers. "Small" only covers first, second, and third — but pays higher per tier when it wins. If you place a Small bet and your number appears only as a Starter or Consolation prize, you win nothing despite your number technically being drawn.
This is one of the most common points of confusion among new participants, and it has a direct cash consequence.
Worked Example: $10 Ordinary Small Bet, 1st Prize Win
You place a $10 Small ordinary bet on number 4729. That number is drawn as 1st Prize.
GST (9% SGD) = $30,000 × 0.09 = $2,700
Net payout = $30,000 − $2,700 = $27,300
Singapore Pools deducts GST before issuing payment. The effective prize rate after GST is $2,730 per dollar staked on a Small 1st Prize win, not $3,000. This distinction becomes material at any significant bet size.
Malaysia Sports Toto: A Different Structure
Malaysian 4D operates under Sports Toto, Magnum 4D, and Da Ma Cai — three separate licensed operators with slightly different prize tables. Sports Toto's standard 4D prize table for a $1 bet:
| Prize | 1st (RM) | 2nd (RM) | 3rd (RM) | Special (10) | Consolation (10) |
|---|---|---|---|---|---|
| Big | 2,500 | 1,000 | 500 | 180 | 60 |
| Small | 3,500 | 2,000 | 1,000 | — | — |
Malaysian operators do not withhold tax at source for lottery winnings — winnings are generally not subject to personal income tax in Malaysia. However, this does not mean the effective return is higher than Singapore. The odds structure and prize pool funding mechanism differ significantly.
Hong Kong Mark Six: A Pari-Mutuel Alert
Hong Kong Mark Six (operated by HKJC) uses a pari-mutuel prize structure — meaning prize amounts are not fixed but depend on total sales and the number of winners in that draw. This makes payout calculation fundamentally different from fixed-odds markets like Singapore and Malaysia.
For pari-mutuel markets, the prize calculation is:
Individual Prize = Prize Pool / Number of Winning Tickets
In practice, Mark Six 1st Division prizes range from HK$8 million (jackpot base guarantee) to HK$100+ million in rollover situations. The 1st Division pool allocation is approximately 45% of the prize pool per draw after the 25% duty levy. You cannot calculate your precise payout before the draw closes — only a range.
Participants expecting fixed prize amounts from a Mark Six win will find the actual structure is more complex. See 4D Lottery ROI Reality for how pari-mutuel dynamics affect expected value calculations across market types.
Bet Type Multipliers: Where the Real Math Lives
Ordinary bets are straightforward. The complexity — and the largest source of payout miscalculation — comes with system bets, iBet, and permutation bets.
System Bets (Singapore/Malaysia)
A System 7 bet covers all possible 4-digit combinations of 7 chosen digits: that is C(7,4) = 35 combinations. You are placing 35 ordinary bets simultaneously.
If 1st Prize hit: Gross = $2,000 (Big) × $1 base
Net (post-GST SGD) = $2,000 × 0.91 = $1,820
ROI = ($1,820 − $35) / $35 = +5,100% on that draw
But: probability of hitting = 1/(10,000/35) = 35/10,000 = 0.35%
The ROI-per-winning-draw looks dramatic. The expected ROI across many draws is what matters — and that calculation appears in full in Bankroll Management: 5 Rules Every 4D Player Must Follow.
iBet (Singapore Pools)
iBet covers all permutations of a 4-digit number. The number of permutations depends on digit repetition:
- All unique digits (e.g., 1234): 24 permutations, cost $24 for $1 coverage
- One repeated digit (e.g., 1124): 12 permutations, cost $12
- Two pairs (e.g., 1122): 6 permutations, cost $6
- One digit repeated three times (e.g., 1112): 4 permutations, cost $4
- All same (e.g., 1111): 1 permutation, cost $1 — no benefit from iBet
The payout per permutation when iBet wins is the standard prize divided by the number of permutations. For a 24-permutation iBet at $1 coverage, a 1st Prize Big win pays:
Post-GST (SGD) = $83.33 × 0.91 = $75.83
Net payout on $1 iBet covering 24 permutations = $75.83
iBet increases your probability of winning something, but dilutes the prize per win proportionally. The expected value is unchanged — the distribution of outcomes changes. This is critical for bankroll planning: iBet produces more frequent, smaller wins rather than rare, larger ones.
Tax and Levy Calculation by Market
| Market | Operator | Tax/Levy at Source | Personal Income Tax |
|---|---|---|---|
| Singapore 4D | Singapore Pools | 9% GST (withheld) | Exempt |
| Malaysia 4D | Magnum/Sports Toto/DMC | None (at source) | Exempt |
| Hong Kong Mark Six | HKJC | 25% government levy (pooled) | Exempt |
| Taiwan | Taiwan Lottery | 20% withholding >NT$2,000 | Applicable above threshold |
Note that operator-withheld levies affect gross-to-net calculations differently from income tax treatment. In Singapore, the GST is deducted before you receive a cent — your prize announcement figure is not what you receive. In Malaysia, you receive the posted prize amount, but the prize pool itself is funded after the operator's margin has been applied earlier in the chain.
Platform Fees: Online Operators vs. Physical Outlets
Licensed physical outlets (Singapore Pools branches, Magnum outlets) charge no platform fee. Online-licensed operators may charge processing fees ranging from 1-3% of transaction value or apply less favorable exchange rates for cross-border payments.
For any online 4D platform, verify:
- Whether they use the official market's prize table or a modified version
- Whether payouts are credited at the official rate or at a discounted "agent" rate
- What the withdrawal fee structure is — a platform posting $2,000 first prize but charging a $15 withdrawal fee on $2,000 payouts is effectively adjusting your net return
The "Cash Take-Home" Mental Model
The most useful mental model for payout calculation is to work backwards from the net cash figure, not forwards from the prize table. Ask three questions:
- What is the posted prize for my bet type and tier? — Start here but do not stop here.
- What deductions apply before I receive payment? — Identify market-specific levies, GST, platform fees.
- What is my net, after accounting for all costs of this bet (including the bet amount itself)? — Net profit, not gross prize, is the relevant figure.
A $10 bet that wins $30,000 gross with $2,700 GST and $35 platform fee nets $27,265 — a net profit of $27,255 from that bet. That is the correct framing for comparing outcomes across bet types and markets.
For a framework that takes this further into expected value and Kelly Criterion bet sizing, see 4D Bet Sizing: The Kelly Criterion Adapted for Lottery Markets.
When Prize Tables Change
Operators adjust prize tables. Singapore Pools revised its 4D prize structure in 2015 and has made periodic adjustments to Starter/Consolation tiers. Malaysian operators occasionally modify their special prize payout ratios. If you are using historical prize data to simulate returns, verify the applicable prize table for the period in question.
The most current authoritative source for each market's prize table is the operator's official website or the HKJC racing and lottery portal. Cross-reference against a second licensed aggregator if you are working with historical prize pool data.
Summary: Payout Calculation Checklist
- Identify your bet type (ordinary Big/Small, System, iBet, permutation)
- Confirm the applicable prize table for your market and operator
- Apply the correct prize multiplier for the specific tier and bet type
- Subtract all source-withheld taxes/levies before comparing markets
- Account for platform fees for online operators
- Calculate net profit (prize received minus total bet cost), not gross prize
These six steps produce the accurate cash figure. Anything short of completing all six will leave gaps that tend to produce unpleasant surprises on winning tickets.
Collecting Large Prizes: Process and Timing
Payout logistics matter for planning. Singapore Pools handles prize collection differently depending on the amount:
- Below $100: Collectible at any Singapore Pools outlet on presentation of ticket, same day as result announcement
- $100 to $5,000: Collectible at main Singapore Pools branches on the next working day after the draw
- Above $5,000: Must be collected at Singapore Pools headquarters with identification; appointment booking recommended
In Malaysia, the equivalent threshold is RM 1,000 — prizes above this amount require in-person collection at the operator's main offices with identity verification. The practical implication: large prize winners cannot receive immediate cash on the draw night, regardless of how the prize is announced. Build this into your expectation of when funds will be available.
Partial Wins: When Your Ticket Hits Multiple Tiers
A single 4D ticket can technically win in multiple prize categories in the same draw if you have placed bets on multiple numbers and different numbers hit different prize tiers. The payout calculation in this scenario is additive — each winning number is paid independently according to its tier and your bet amount for that number.
For System bets covering multiple numbers, the scenario becomes more complex: two or more of your covered numbers may both hit prize tiers in the same draw. Each winning number is paid independently. A System 7 bet where two of the 35 covered combinations land on Starter Prize receives two separate Starter Prize payouts at the effective per-combination bet amount.
Two combinations hit Starter Prize ($227.50 each post-GST):
Total payout = 2 × ($227.50 × ($1/35 effective stake)) is incorrect framing
Correct framing: Each combination bet is $1. Two combinations each win $227.50 post-GST.
Total gross: $455.00 | Total cost: $35 | Net profit: $420.00
The key point: in System bets, each covered combination is a full $1 ordinary bet, not a fractional share of the system cost. You are placing 35 separate $1 bets, not one $35 bet with 35 chances. This affects how you calculate both your total cost and your total payout on multi-winning draws.
Currency Exchange Considerations for Cross-Border Participants
Participants from Malaysia who play Singapore 4D (or vice versa) face an additional variable: currency exchange. A SGD 30,000 prize collected in Singapore must be converted to MYR to be practically useful in Malaysia. At a mid-2026 exchange rate of approximately SGD 1 = MYR 3.45, the same prize converts to MYR 103,500.
Currency exchange fees at bank counters versus money changers versus online remittance services can vary by 1-3% of transaction value. On a SGD 30,000 prize, a 1% fee difference is SGD 300. This is not a reason to avoid cross-border participation, but it is a component of the complete payout calculation that must be included for accuracy.
The complete picture: Gross prize → minus tax/levy → minus platform fee (if online) → converted at exchange rate → minus exchange fee → equals net foreign-currency payout. This is the six-step checklist extended for cross-border scenarios.
Record-Keeping for Winning Tickets
Losing a physical winning ticket typically means losing the prize entirely — operators in Singapore, Malaysia, and Hong Kong have no mechanism for recovering prizes from destroyed or lost tickets without the original physical ticket or valid online account record. Digital tickets held in a licensed online account are retrievable; physical tickets are not.
Best practice for physical ticket holders: photograph the ticket immediately after purchase, store the image in a cloud-accessible location, and keep the physical ticket in a secure place until prize collection or draw completion. This takes 30 seconds and eliminates the risk of losing a significant payout to administrative error.
For the mathematical framework that determines how much you should be betting in the first place — connecting payout mathematics to bankroll management — see Bankroll Management: 5 Rules Every 4D Player Must Follow.