Cash Flow Calculator
List your monthly cash inflows and outflows to calculate net cash flow, your runway at the current burn rate, and a simple 12-month projection.
Net monthly cash flow
-$7,000.00
Cash negative
Runway at current burn
17.14 months
Projected balance in 12 months
$630,717.19
Break-even month
Month 4
How this was worked out
- Step 1Net = 45,000 − 52,000 = -$7,000.00
- Step 2Runway = 120,000 ÷ 7,000 = 17.14 months
A simple model assuming constant outflows and a steady change in inflows. Add one-off items manually for a fuller picture.
Formula
Example
Input
$45,000 in, $52,000 out, $120,000 balance
Result
Burn $7,000/month; ≈ 17 months runway
Frequently asked questions
Related tools
Keep going — these tools solve the problems that usually come next.
Profit Calculator
PopularWork out gross profit, net profit and profit margin.
Business
Markup Calculator
PopularSet a selling price from your cost and markup percentage.
Business
Break-Even Calculator
PopularHow many units you must sell before you start making money.
Business
VAT Calculator
PopularAdd or remove VAT from any amount.
Business