Crypto DCA calculator

Plenty of pages promise a quick answer and deliver a black box. Crypto DCA calculator does the computation in the open, so you can double-check every step if you feel like it.

Don't expect the crypto DCA calculator to read your mind. So invariably look over which method applies in your situation before you rely on the output.

The thinking behind the tool

Use before a large buy (what share of the portfolio you're taking on), when planning DCA (monthly × expected return over 3–5 years), before a DeFi op (gas + slippage), or for tax filing (realised gains/losses for the year). For staking review the real APY (typically 3–8%), not the marketed one. Whether you're buying Bitcoin via DCA, staking ETH, or estimating a gas fee for a DeFi transaction — the tool returns an exact figure in S$. Don't guess, compute.

Crypto DCA calculation tool turns complicated crypto math into concrete portfolio numbers. Never keep the seed phrase online.

The equation and its logic

Example: at monthly DCA of 50 S$ into BTC over 78 years with historical average return, Crypto DCA calculation tool gives a projected final amount. Where income, tax or contributions are involved, the reference framework is IRAS and CPF (Central Provident Fund) — personal income tax 0–24%, GST 9%. A technically proper calculation can still lead to a poor decision when one option includes extra costs or constraints that the other leaves outside the comparison. For gas use off-peak (overnight UTC) or Layer 2 (Arbitrum, Optimism, Base) — costs drop 10–100×.

Formulas vary by scenario: DCA uses time-weighted average price across purchases; staking — annual percentage yield (APY) with compounding; profit/loss — (current price − avg price) × quantity minus fees. Note — crypto volatility means the real outcome may sit ±50% around the projection over a 3-year horizon.

Typical moments to reach for it

• Local notes: Numbers use SGD, metric units and IRAS defaults where applicable.
• VAT / sales tax: Singapore's GST is 9% (as of 1 Jan 2024). Financial services and residential rentals are exempt; exports zero-rated.
• Units of measure: Fully metric.
• Currency & format: Singapore dollar (SGD, S$).
• Electrical supply: 230 V / 50 Hz, Type G plug (same as UK).

From input to answer

For long-term DCA invest on a fixed date (e.g. Common: ignoring exchange fees (0.1–1% per trade compounds), ETH gas (can be $50+ at peak), spreads on small orders. Third: using days-old USD/EUR pricing — markets move 5–10% within hours.

the 15th), not on peaks or troughs — that's the whole point. Second: computing profit without tax — most jurisdictions tax realised gains 10–33%.

Where it fits in real life

Check your local rules and file annually. For active trading — hardware wallet or a trusted exchange with 2FA. Most jurisdictions treat realised crypto gains as capital gains, rates vary 10–33%.

Unrealised gains are usually not taxed until you sell. For balances above 1000 S$ every time cold wallet (Ledger, Trezor).

The usual errors

The crypto market punishes fast decisions. When comparing two alternatives in Singapore, use the same boundary and the same measurement period for both.

The values entered here are Weekly investment, Weeks, Average buy price, Current price. This page calculates only the relationship represented by its fields and formula.

A few things worth knowing

Recalculate after changing one input at a time; this presents which assumption controls the computed figure and makes an unexpected answer easier to diagnose. An applied estimate has a defined boundary. Every figure above applies to Singapore specifically and is reviewed when the rules change.

Singapore's rules are unusually flat and predictable, and Crypto DCA calculator reflects that structure directly.

Wrapping up

Good arithmetic does not guarantee a good decision, but bad arithmetic almost guarantees a bad one. Come back whenever the numbers do.