Practical market worksheet

Contract Quantity and Denomination Converter

Translate contracts into their stated denomination before using another formula.

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For a hypothetical linear contract with 0.001 BTC per contract, 100 contracts represent 0.1 BTC. Entering 0.1 as base quantity converts back to 100 contracts. This exact conversion is separate from whether the venue accepts that count under its order-step rules.

What this helps you check

The number typed into an order ticket may be a contract count, base quantity or quote face value. This converter makes that denomination explicit. For a linear contract it links contracts to base quantity; for an inverse contract it links contracts to quote face value using your supplied multiplier.

The result names the resulting unit. It does not silently round the order or validate venue granularity. Quanto contracts require their own specification and are outside this linear/inverse conversion. A quote face value must not be fed into a base-quantity formula.

Your worksheet

No account connection required

Inputs are processed in your browser by this calculator. There is no quote lookup or file upload for the calculation. Site measurement and consent are handled separately by the site's privacy and consent controls.

Interactive calculation requires JavaScript. The method and hypothetical worked example below remain readable.

Hypothetical worked example

Check the example by hand

Contracts: 100contracts
Base quantity: 0.1BTC

Exact example inputs

{
  "payout_type": "linear",
  "input_unit": "contracts",
  "amount": "100",
  "multiplier": "0.001",
  "base_asset": "BTC",
  "quote_asset": "USD"
}

The example is invented to demonstrate the method. It is not a current market quote, a provider's fee schedule or verified trading performance.

How the worksheet works

Linear permits input_unit contracts or base; inverse permits contracts or quote. Reject incompatible choices.
If input is contracts, contracts=amount; otherwise contracts=amount/multiplier.
Linear base_quantity=contracts*base_per_contract. Inverse quote_face=contracts*quote_per_contract.
Report exact conversion without silently rounding or validating venue order steps.

Boundaries to keep in view

Do not infer multiplier units from base_currency or a symbol name.
No quanto support, liquidation calculation or price-based linear quote conversion.
Fractional contract results may not be tradable; venue sizing rules are separate.

Compare resources for this task

Contract references are valuable when they make the multiplier and payout denomination explicit. The comparison focuses on interpreting an order amount, not selecting the most profitable contract or ranking venue performance.

10 Resources for Contract Units and Multipliers

Official sources and scope

The sources document formats, mechanisms or record workflows. The arithmetic and editorial comparison on this page use the supplied worksheet definitions.

Deribit inverse futures units
USD contract size and order amount differ from BTC/ETH settlement units; base_currency alone does not identify contract_size units.
Reference checked 2026-10-01. Consult the source for current product rules.
BitMEX perpetual payout types
Inverse, linear and quanto contracts have different payouts and multiplier units.
Reference checked 2026-10-01. Consult the source for current product rules.
CME contract notional value
Contract units and multiplier concepts.
Reference checked 2026-10-01. Consult the source for current product rules.
Kraken contract specifications
Contract multiplier, expiry, tick value and settlement specification concepts; this document concerns US derivatives.
Reference checked 2026-10-01. Consult the source for current product rules.