What is Runway Calculator?
Runway Calculator helps you calculate how many months a cash balance could cover the current burn.
The main result is cash runway. The formula, example and assumptions below explain how to interpret it.
How to use Runway Calculator
Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.
- Gather available cash (₹) and monthly net cash burn (₹). Use values from the same situation or reporting period.
- Replace the example available cash with your own value, then complete the other fields. Check the displayed units.
- Select Calculate and read cash runway. Change one input and calculate again to compare a second scenario. Reset restores the original example.
- Enter available cash in ₹, at least 0. Decimals are accepted.
- Enter monthly net cash burn in ₹, at least 0.01. Decimals are accepted.
Runway Calculator: a worked example
With the inputs below, the result is 10 months (cash runway). Follow the example, then replace these illustrative values with your own.
| Input or output | Example value |
|---|---|
| Available cash (₹) | ₹10,00,000 |
| Monthly net cash burn (₹) | ₹1,00,000 |
| Cash runway | 10 months |
Understanding the Runway result
The main output is cash runway, expressed in months. It applies to the inputs and operation you selected.
Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.
Runway Calculator: assumptions and common mistakes
A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.
- Separate revenue from cash receipts and cost from selling price. Check the denominator before comparing a margin with a markup.
For wider guidance, visit ICAI. The formula and scope of this specific tool are stated on this page.






