Free tool
Working capital calculator
Working capital requirement measures the money tied up in your operating cycle. Use the figures from your last balance sheet or your current estimates.
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The formulas used
Working capital requirement = Inventory + Trade receivables − Trade payables.
In days of revenue = Working capital ÷ Annual revenue excl. VAT × 360. Receivables and payables are often stated including VAT: use consistent amounts.
A positive requirement must be financed (equity, overdraft, short-term credit). A negative one means your cycle generates cash.