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

Cash Flow Calculator

Project a business's net operating cash flow over a chosen horizon by combining revenue, operating expenses, tax, and ongoing capital expenditure. Use it to stress-test liquidity before signing leases, hiring staff, or taking on debt.

Monthly Revenue ($)

Monthly Operating Expenses ($)

Monthly Capital Expenditure ($)

Tax Rate (%)

Analysis Period (months)

Fill in the required fields to see your result.

Project Management

Project Burn Rate Calculator

Calculate how many months your remaining budget will last at the current monthly spending rate. Use it to track project or startup runway and decide when to cut costs, raise more money, or accelerate revenue.

Monthly Expenses ($)

Remaining Budget ($)

Fill in the required fields to see your result.

Key differences

	Cash Flow Calculator	Project Burn Rate Calculator
Category	Business	Project Management
Inputs required	5	2
Result	Net Cash Flow ($)	Runway (months)
What it does	Project a business's net operating cash flow over a chosen horizon by combining revenue, operating expenses, tax, and ongoing capital expenditure. Use it to stress-test liquidity before signing leases, hiring staff, or taking on debt.	Calculate how many months your remaining budget will last at the current monthly spending rate. Use it to track project or startup runway and decide when to cut costs, raise more money, or accelerate revenue.