Calculators
Work the number out, then see it on your own books.
Free calculators from the accountants behind Nella. Each one states the rule it applies, the tax year it applies to and the official source, and runs entirely in your browser.
Calculator
Cash runway calculator
Work out your cash runway in months from cash on hand and average monthly cash in and out. Shows net burn, a stress-test runway and the month cash would run out.
Checker · 2026–27 income yearGST registration threshold checker
Check whether a business must register for GST against the $75,000 threshold ($150,000 for non-profits), using current and projected GST turnover as the ATO defines them.
Nella provides financial information and education, not accounting or tax advice.
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