Free finance tools
Financial calculators for clearer business decisions
Model cash flow, calculate break-even sales, estimate startup runway and assess working capital. Every tool is free, requires no account and explains the result in practical finance terms.
Best for forward cash planning
Cash Flow Calculator
Forecast closing cash and runway across base, best and worst-case scenarios.
Best for pricing and sales targets
Break-Even Calculator
Find the sales volume and revenue needed to cover fixed and variable costs.
Best for startups and cash control
Burn Rate & Runway Calculator
Calculate gross burn, net burn and how many months your current cash can support.
Best for operating liquidity
Working Capital Calculator
Measure short-term liquidity with working capital and the current ratio.
Why these tools
From a quick estimate to finance intelligence
These calculators answer focused planning questions. NanoFora connects the same calculations to your statements and transactions for continuously updated, source-linked analysis.
Understand liquidity
See whether cash and current assets can support the obligations ahead.
Set operating targets
Translate costs and margins into concrete revenue and sales requirements.
Plan before acting
Stress-test assumptions before hiring, spending, financing or changing prices.