Resources

Free Calculators

Real formulas, editable inputs, no sign-up. Each calculator links to the full guide explaining the method behind it.

Depreciation Calculator

Straight-line or written-down value, with first-year pro-ration by months in use.

Break-even units, revenue and contribution margin from fixed costs, price and variable cost.

Days Sales Outstanding and Days Payable Outstanding from receivables, payables and activity.

Overall materiality, performance materiality and the clearly trivial threshold from a benchmark figure.

Variance amount, variance % and an exception flag using a configurable threshold.

Inventory turnover and days-inventory-outstanding from cost of goods sold and average inventory.

Monthly loan instalment, total payment and total interest from loan amount, rate and tenure.

Add GST to a base price, or work backward from a GST-inclusive price to find the base and tax.

Two standard liquidity ratios from current assets, inventory and current liabilities.

Maturity amount and total interest earned for annual, half-yearly, quarterly or monthly compounding.

The audit sampling interval and a preview of the items it selects from a random start.

Gross margin and net margin from revenue, cost of goods sold and net profit.

The projected future value of a fixed monthly investment at an expected rate of return.

How much a business relies on borrowed money versus owners' equity.

The short-term resource cushion left after covering current liabilities.