Free calculators for crypto trading and money in Turkey

• Crypto spot trading
• Developer tools for exchange APIs
• Trading arithmetic
• Trading statistics from your own records
• Crypto futures: margin arithmetic
• Forex: position size and pip value
• Salary and employment
• Income tax, tax ID and IBAN checks
• Property and rent
• VAT and savings
• Loans and gold

Crypto spot trading

• Crypto average cost calculator: average down with feesEnter up to five buys with price and quantity, plus your fee rate, to see the average cost per unit, the total quantity and, with a current price, the profit or loss. Free, no sign-up required.
• Crypto DCA calculator: average cost from your own pricesEnter the amount per purchase, up to twelve past or hypothetical prices and the fee rate to see the average cost, the total quantity and how the average compares with the plain average of the prices. Free, no sign-up required.
• Free crypto profit calculator: P&L, fees and break-evenEnter the buy price, the sell price, the quantity and both fees to see the net profit or loss, the return on cost and the break-even sell price of a spot trade. Free, no sign-up required.
• Crypto position size calculator: risk, stop and lot stepEnter your balance, risk per trade, entry and stop prices, fee rate and lot step to see the fractional quantity that keeps a loss at the stop within your chosen amount. Free, no sign-up required.
• Crypto trading fee calculator: maker, taker and slippageEnter the trade size, your maker and taker rates, the share of maker fills, slippage and round trips per month to see what trading costs per round trip and per month. Free, no sign-up required.
• Grid bot calculator: spacing, fees and net spread per gridEnter the price range, number of grids, spacing type, investment and fee rate to see the mechanics of each grid: spacing, quantity, fees and net spread at the lowest and highest level. Free, no sign-up required.

Developer tools for exchange APIs

• HMAC signature generator: debug exchange API signingBuild the exact string an exchange signs, see it byte by byte, get the HMAC in hex and Base64 and compare it with yours. Never paste a live secret into any website, this one included: the tool loads a published sample key. Free, no sign-up required.
• API rate limit calculator: budget weights and requestsEnter your API's limit, its window and what your program calls to see the share used per window, the headroom, the largest symbol count that fits and a backoff schedule. Every number is yours. Free, no sign-up required.
• Unix timestamp converter: epoch seconds and millisecondsPaste a Unix timestamp or an ISO 8601 date to see it in UTC, in ISO 8601 and as epoch seconds and milliseconds, and check a request timestamp against an exchange's server time and recvWindow. Free, no sign-up required.

Trading arithmetic

• TWAP calculator: split an order into timed child ordersEnter the total quantity, the duration and an interval or a slice count to get a schedule of child orders with lot step rounding, a minimum notional check and requests per window. Nothing is assumed about fills or price. Free, no sign-up required.
• Slippage calculator for trading: walk the order bookA trading slippage calculator: type the order book levels and your order size to see the average fill, the levels consumed and the slippage in basis points and money, or compare expected and actual prices from a fill log. Free, no sign-up required.
• Risk reward calculator: ratio, targets and break-even rateEnter the side, entry, stop, target and fee per side to see risk and reward per unit, the ratio before and after fees, the stop and target distances and the win rate at which such trades break even. Free, no sign-up required.
• Crypto arbitrage calculator: net spread after all costsEnter the prices you see, the taker fees, the withdrawal fee, slippage and size, or three rates for a triangle, to see what is left after costs and the spread needed to break even. No live prices and no scanner. Free, no sign-up required.
• How to buy a trading bot: subscribe or build calculatorHow to buy a trading bot starts with what you are paying for. Type your own subscription and build figures to see the cumulative cost of each by month and the month the build catches up, if it does. Free, no sign-up required.

Trading statistics from your own records

• Win rate calculator: trading expectancy and break-evenEnter the win rate, the average win, the average loss and the fees per trade from your own records to see the expectancy per trade, the win rate at which such trades break even and the profit factor. Free, no sign-up required.
• Kelly criterion calculator: the formula's arithmeticEnter an estimated win rate and win/loss ratio to see the fraction the Kelly formula gives, with the arithmetic written out. The inputs are estimates, and the result is not a recommended bet size. Free, no sign-up required.
• Sharpe ratio calculator: annualized, from your returnsPaste a list of periodic returns, enter the annual risk-free rate and how many periods make a year to see the mean, the standard deviation and the annualized Sharpe ratio of those returns. Free, no sign-up required.
• Max drawdown calculator: peak, trough and recoveryPaste an equity or price series, oldest first, to see the largest fall from a peak in percent and in amount, where the peak and the trough were and when the series got back to that peak. Free, no sign-up required.

Crypto futures: margin arithmetic

• Crypto liquidation price calculator: isolated marginEnter the side, entry price, leverage and the maintenance margin rate from your exchange to estimate the liquidation price of an isolated-margin linear contract. Leverage can lose your entire margin. Free, no sign-up required.
• Funding rate calculator: payments over a holding periodEnter the position size, side, funding rate per interval, interval length and holding period to see what a perpetual futures position pays or receives if the rate stays constant. Free, no sign-up required.
• Crypto futures calculator: PnL, ROE, margin and feesEnter the side, entry, exit, quantity, leverage, fees and any funding to see the notional, initial margin, gross and net result, return on margin and break-even exit price of a linear futures position. Leverage can lose more than you expect. Free, no sign-up required.

Forex: position size and pip value

• Forex position size calculator: lots, units and riskEnter your balance, the share or amount you choose to risk, the stop distance in pips and how a pip turns into your account currency to see the position size in lots and units. Free, no sign-up required.
• Pip calculator: pip value in quote and account currencyChoose the pip size, enter the trade size in lots and the exchange rate, and say how your account currency relates to the pair to see what one pip is worth in the quote currency and in your account. Free, no sign-up required.

Salary and employment

• Turkey salary calculator 2026: gross to net and net to grossEnter a gross or net monthly salary and the month to see SGK contributions, income tax, stamp tax, net pay and the employer's cost under the 2026 rules. Free, no sign-up required.
• Turkey severance pay calculator 2026: ceiling and net payEnter the gross monthly pay with regular benefits and the length of service in years, months and days to see the pay used, gross severance pay, stamp tax and the net amount. Free, no sign-up required.
• Turkey notice pay calculator: notice period and net payEnter the gross monthly pay with regular benefits, the length of service and the month of payment to see the notice period, gross notice pay, income tax, stamp tax and the net amount. Free, no sign-up required.
• Maternity leave Turkey: 24 weeks and SGK pay calculatorEnter the earnings and premium days of the 12 months before the birth and the type of pregnancy to see the daily earnings, the daily allowance SGK pays and the total for 168 or 182 days. Free, no sign-up required.
• Annual leave Turkey: entitlement and leave pay calculatorEnter the start date, the calculation date and, for the age rule, the date of birth to see the leave for the latest year of service, the total and unused leave, the next entitlement date and the gross pay for unused days. Free, no sign-up required.
• Overtime pay in Turkey: 1.5x calculator and 270-hour capEnter the gross monthly salary, the overtime hours and the month of payment to see the normal and overtime hourly rates, the gross pay for overtime, extra hours and public holiday work, the deductions on it and the net extra pay. Free, no sign-up required.

Income tax, tax ID and IBAN checks

• Turkey tax calculator 2026: income tax by bracketEnter an annual taxable income and choose wages or other income to see the income tax under the 2026 tariff, the average rate, the top rate reached and the tax in each bracket. Free, no sign-up required.
• Turkey tax ID format: VKN and TCKN check digit validatorPaste a 10-digit Turkish tax number or an 11-digit identity number to see whether its length and check digits are well formed. The check runs in your browser; nothing is sent or stored. Free, no sign-up required.
• Turkey IBAN format checker: length, check digits, bank codePaste a Turkish IBAN to check its length, country code, check digits and reserved digit, and to see the bank code and the account field. The check runs in your browser; nothing is sent or stored. Free, no sign-up required.

Property and rent

• Turkey rent increase calculator 2026: new rent and legal capEnter the current monthly rent and the increase rate to see the new rent, the monthly increase and the extra rent over the lease year. Free, no sign-up required.
• Turkey title deed fee calculator: buyer and seller feesEnter the declared sale price and the fee rate to see the title deed fee for the buyer and the seller, and add the land registry service fee for the total cost. Free, no sign-up required.
• Turkey property tax calculator 2026: rates and installmentsChoose the property type and location, enter the 2026 tax value and, if you have it, the 2025 value to see the annual property tax and each installment. Free, no sign-up required.

VAT and savings

• Turkey VAT calculator: add or remove 20%, 10% or 1% VATEnter either the price before VAT or the price including VAT, and the rate, to see the VAT amount and the other price. Free, no sign-up required.
• Turkey interest rate calculator: deposit interest after taxEnter the principal, the annual gross interest rate and the term in days to see gross interest, withholding tax, net interest and the balance at maturity. Free, no sign-up required.

Loans and gold

• Loan interest rate Turkey: calculator with KKDF and BSMVChoose the loan type, which fills in the KKDF and BSMV rates, and enter the amount, the monthly interest rate and the term to see the monthly installment, the total repayment, the interest and taxes in it and the compound annual cost. No bank offers are shown. Free, no sign-up required.
• Turkey gold price per gram calculator: carats and coinsThis page has no live price: type the price of 1 gram of 24-carat gold yourself. With the weight and fineness of an item it shows the fine gold inside and its value, the 22, 18 and 14 carat price per gram, and the quarter, half, full and Ata coins by the Turkish Mint's weights. Free, no sign-up required.

Calculators are general information, not tax, legal or investment advice. Check the date of each figure and the official source before you rely on a result.