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Contract payment calculator

以下为常用财务与金额小工具：人民币大写、支票日期、美元读法、税率与贷款月供等。计算均为浏览器本地演示，不构成税务、会计或法律意见。

Split contract value into deposit, progress milestones, and retention; optional VAT breakdown. Milestone % applies to (total − deposit); retention is withheld from the last installment.

Contract valueVAT rate (%) Contract value includes VATDeposit / advance (%)Retention (%)Of contract value; withheld from the last progress payment, released after warranty

Progress payments

Milestone % should sum to 100%; base = contract value − deposit

Stage 1% ≈ 1,350,000.00
Stage 2% ≈ 1,800,000.00
Stage 3% ≈ 1,100,000.00

Milestone total: 100.0%

Amount ex-VAT	4,587,155.96
VAT	412,844.04
Contract value (incl. VAT)	5,000,000.00
Deposit (signing)	500,000.00
Stage 1 (30%)	1,350,000.00
Stage 2 (40%)	1,800,000.00
Stage 3 (30%)	1,100,000.00
Retention (deferred)	250,000.00
Total cash flow	5,000,000.00

Need monthly loan installments?

To finance a balance with interest over time, use the Loan calculator (annuity or equal principal).

Illustrative split only—excludes penalties, bonds, FX, and invoice differences. Follow your signed contract.