Profit Margin Calculator
Calculate gross margin, net margin, markup, and profit per unit for faster pricing decisions.
Calculate marginsFree cash flow calculator
Free Cash Flow
Forecast Calculator
Use Flowlit's cash flow calculator to turn revenue, expenses, invoices, and seasonality into a fast 90-day cash flow forecast for your business.
Live now: free forecast preview. Next: recurring cash flow forecasts, synced tracking, and workflow tools.
Cash Flow Forecast Guide
What this cash flow calculator helps you plan
This free cash flow calculator is designed to give you a practical 90-day cash flow forecast from the inputs most owners already know. It helps you sanity-check future cash before you commit to spending, inventory, or hiring.
Model the inputs you already know
Start with monthly revenue, monthly expenses, outstanding invoices, and optional seasonality instead of building a spreadsheet from scratch.
Spot when cash gets tight
Review your lowest point, projected day-90 balance, and any cash crunch risk before payroll, inventory, or hiring decisions.
Upgrade to a recurring workflow later
Use the free calculator today, then move to Flowlit's connected product and weekly digest workflow when you need ongoing visibility.
Need recurring updates instead of a one-time forecast? See the weekly digest preview or join the waitlist for the connected product.
FAQ
Cash flow calculator questions
A quick overview of what this cash flow forecast covers and how to use it.
What does this cash flow calculator include?
This calculator estimates a 90-day cash flow forecast from monthly revenue, monthly expenses, outstanding invoices, and an optional seasonal pattern.
Who should use this cash flow forecast?
It is built for small businesses that want a fast directional forecast before making operating decisions, especially when a spreadsheet feels too slow or fragile.
Is the calculator free?
Yes. You can generate a free preview immediately, then unlock the full 90-day view by email.
More Free Tools
Keep going with the rest of the toolkit
Once you have a cash flow forecast, pressure-test your margins and break-even point with the other free Flowlit calculators.
Break-Even Calculator
See your break-even point in units, revenue, and months with a live visual model.
Analyze break-evenCash Flow Health Score
Answer 10 quick questions and get a personalized score with recommendations to improve your cash flow.
Take assessment