Free tools for progress payment calculations
Every tool we have built for deductions, contract periods, price adjustment, indices and quantity takeoff is here. None needs a sign-up.
Progress payment deductions
The statutory deductions on the payment cover: stamp duty, VAT withholding, withholding tax, and the whole cover with its net payment.
- Progress Payment Deductions CalculatorThe cover's VAT, every deduction from a) to k) and the net amount paid to the contractor, on one sheet.
- Stamp Duty CalculatorThe 9.48 per mille stamp duty on a progress payment, with the yearly cap.
- VAT Withholding CalculatorThe VAT withheld on a progress payment, at the communiqué's rate for the work type.
- Withholding Tax CalculatorWithholding tax on a multi-year construction payment, at the rate for the work type and payment month.
Contract and duration
Performance bond, the minimum labour for the SGK clearance, the advance and its recovery, the work increase limit, the below-80% completion compensation, delay penalty and the dates of a work's duration.
- Performance Bond CalculatorThe performance bond on a bid, with the below-limit 9% rule and additional bonds.
- Minimum Labour CalculatorThe minimum labour to declare for the SGK clearance, the shortfall and its estimated premium.
- Advance Payment CalculatorThe advance, its 30% or one-third cap, the recovery rate and what comes off each progress payment.
- Work Increase CalculatorThe work increase room left under the 20% (unit price) or 10% (lump sum) limit.
- Completion Compensation Calculator5% of the shortfall when work ends below 80%, updated to the acceptance month by Domestic PPI.
- Delay Penalty CalculatorThe delay penalty from the first contract price, daily rate and days late, with the 15% cap.
- Work Duration CalculatorCompletion date from the site handover, days late, final acceptance and payment deadlines.
Indices and price adjustment
Price adjustment, index change, work experience certificate update, TÜİK index tables and EPDK fuel prices.
- Price IndicesDomestic PPI sub-indices and CPI, monthly tables since 2012.
- Price Adjustment CalculatorPrice adjustment with the official formula, from Domestic PPI and CPI.
- Index Change CalculatorHow Domestic PPI and CPI moved since your tender month, with the In/Io ratio.
- Work Experience Update CalculatorWhat a work experience certificate counts for in the tender you enter, with the right Domestic PPI months for its kind.
- Fuel PricesEPDK monthly averages by fuel type, for the fuel coefficient of a price adjustment.
Quantity takeoff
Rebar, concrete, formwork and excavation takeoffs: line by line, with deduction lines and a copy for Excel.
All of this, on every payment, by itself
Deductions, price adjustment and deadlines are worked out on every progress payment and land on the cover by themselves.