Xero Metric
Accounting
Expense-to-Revenue Ratio = Operating Expenses / Total Revenue
Expense-to-revenue ratio measures total operating expenses as a percentage of total revenue over the same period. It is a single-number summary of how operationally efficient the business is at each level of revenue.
XeroAccountingExpense-to-Revenue Ratio
Expense-to-revenue ratio measures total operating expenses as a percentage of total revenue over the same period. It is a single-number summary of how operationally efficient the business is at each level of revenue.
How to calculate expense-to-revenue ratio
Why expense-to-revenue ratio matters for Xero users
A healthy business scales: revenue grows faster than expenses and the expense-to-revenue ratio drops over time. A ratio that stays flat or rises as the business grows is a signal that operating leverage is missing and that the cost base needs structural attention, not just tighter discretionary spend controls.
For Xero users, this ratio is the single cleanest way to see whether every new pound of revenue is earning its keep or just funding more cost.
Understand and act on expense-to-revenue ratio with KPI Tree
Query the Xero MCP profit and loss tool or sync Xero revenue and operating expense accounts into your warehouse and let KPI Tree compute the ratio monthly. Decompose operating expenses into departments and categories so a rising ratio can be traced to specific spend areas.
Assign ownership to the CFO and use period-over-period comparisons to check whether the ratio is improving as revenue grows.
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Related Xero metrics
Gross Profit Margin
AccountingMetric Definition
Gross Profit Margin = (Revenue − COGS) / Revenue
Gross profit margin is the percentage of revenue left after subtracting the cost of goods sold. It shows how efficiently your business produces and delivers what it sells.
Burn Rate
AccountingMetric Definition
Net Burn Rate = Monthly Cash Outflows − Monthly Cash Inflows
Burn rate measures the net cash consumed by the business each month, calculated as the difference between cash outflows and cash inflows. Gross burn is total monthly spend; net burn is gross burn minus any revenue collected.
Operating Cash Flow
AccountingMetric Definition
Operating cash flow measures the cash generated (or consumed) by the core trading activity of the business over a period. Unlike profit, it is not distorted by accruals, non-cash items, or timing of invoices.
Cash Runway
AccountingMetric Definition
Cash Runway (months) = Cash Balance / Monthly Net Burn
Cash runway measures how many months the business can continue operating at its current net burn rate before cash runs out. It is the single most important survival metric for any business spending more than it earns.
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