SAAS Magic Number
Calculate annualized quarterly revenue growth per prior-quarter sales and marketing spend.
Description
The SaaS magic number relates quarterly revenue growth to prior-quarter sales and marketing spend.
The SaaS magic number relates quarterly revenue growth to prior-quarter sales and marketing spend. Annualizing the growth uses a factor of four.
Calculate annualized quarterly revenue growth per prior-quarter sales and marketing spend.
When to use SAAS Magic Number
Use this for the following task: Calculate annualized quarterly revenue growth per prior-quarter sales and marketing spend.
Prepare the scenario values in one currency and consistent time periods. Use fractions for fraction fields and percentage points for percent fields.
How to use SAAS Magic Number and understand its results
- Prepare the scenario values in one currency and consistent time periods. Use fractions for fraction fields and percentage points for percent fields.
- Enter previousQuarterRevenue, currentQuarterRevenue, previousQuarterSalesMarketingSpend using the field table, then run the tool.
- Read magicNumber. Interpret flags, units, ordering and placeholder values using the rules below.
- Review any reported issue or failed check, correct the supplied values when appropriate, and verify the result in its intended context.
| Input field | Meaning | Value type and bounds | Requirement |
|---|---|---|---|
| previousQuarterRevenue | Previous quarter revenue | number | Required |
| currentQuarterRevenue | Current quarter revenue | number | Required |
| previousQuarterSalesMarketingSpend | Previous quarter sales marketing spend | number | Required |
Use nonnegative quarterly revenue and positive prior-quarter spend in consistent currency units. Preserve a negative result for revenue decline.1
magicNumber=4(currentQuarterRevenue−previousQuarterRevenue)/previousQuarterSpend This summarizes the declared operation. Units, indexing, inclusivity and exceptional cases are explained in the surrounding text.
| Output field | Meaning | Value type |
|---|---|---|
| magicNumber | Magic number | number |
{
"input": {
"previousQuarterRevenue": 100,
"currentQuarterRevenue": 150,
"previousQuarterSalesMarketingSpend": 200
},
"output": {
"magicNumber": 1
}
}Limitations and assumptions
This is the stated quarterly convention, not an audited efficiency measure. Margins, lag variation and attribution are excluded.
These outputs describe the supplied scenario; accounting definitions, capitalization terms and time periods must match the intended use. Malformed requests produce input errors. A successfully evaluated request can still contain false flags, empty result lists or a result outside the supplied threshold; those outcomes have the meanings stated above.
Alternative or Complementary methods
Choose Gross Margin CAC Payback for this operation: Estimate customer acquisition payback months from monthly gross profit. For a complementary task, use ARR Burn Multiple for this operation: Compute cash burned per unit of net new ARR over a consistently measured period.
The implementation reference documents the exact calculation, supported input shapes and returned fields.
References
-
SAAS Magic Number — tool.io
Similar or alternative tools
- Gross Margin CAC Payback
Estimate customer acquisition payback months from monthly gross profit.
- ARR Burn Multiple
Compute cash burned per unit of net new ARR over a consistently measured period.