Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Cash Runway Calculator

Calculate how many months a startup can operate before it runs out of cash at its current burn rate. Essential for fundraising timing and budgeting decisions.

Cash on Hand ($)

Net Monthly Burn ($)

Business

Customer Acquisition Cost (CAC) Calculator

Calculate how much it costs to acquire one new customer by dividing total sales and marketing spend by new customers gained. The denominator of the all-important CLV:CAC ratio.

Total Marketing Spend ($)

Sales Expenses ($)

New Customers Acquired (customers)

Key differences

	Cash Runway Calculator	Customer Acquisition Cost (CAC) Calculator
Category	Business	Business
Inputs required	2	3
Result	Cash Runway (months)	Customer Acquisition Cost ($)
What it does	Calculate how many months a startup can operate before it runs out of cash at its current burn rate. Essential for fundraising timing and budgeting decisions.	Calculate how much it costs to acquire one new customer by dividing total sales and marketing spend by new customers gained. The denominator of the all-important CLV:CAC ratio.