The Cash Runway Calculator estimates a general arithmetic estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own cash runway figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.
Fill in your current cash/savings and monthly expenses to see how long your money will last if no income comes in.
Calculation results
Cash Runway
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month
Current cash
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Burn Rate / Month
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Estimated expiration date-
Burn Rate / Day-
Formulas used
Cash Runway (month) = Total Cash ÷ Expenditure/month
Daily Burn Rate = Cost/Month ÷ 30
Expiration date = Today + (Runway × 30 days)
Criteria: Less than 3 months = dangerous | 3-6 = fit | More than 6 = good
This calculation result is suitable for preliminary planning. Actual figures should be checked from documents or official sources before making important decisions.
The calculation is based on the information you enter on this page.
Special cases may require additional information.
It is recommended to record or compare the results with the related tools below.
Cash Runway is the period of time that cash available will be sufficient for expenses if no additional income is generated. Calculated from current cash ÷ monthly expenses. Originally used in startup business but also applicable to personal finance.
How many months should Cash Runway have at least?
For Runway persons, good runway is 3-6 month, if less than 3 month is considered in the risk zone, should stop spending excessively and save immediately
What is the Monthly Burn Rate?
Burn Rate is the rate of cash expenditure per month for a person, total expenditure per month before income, used to calculate when savings will be exhausted if you stop working.
How do I add Cash Runway?
There are two ways to do this: (1) reduce the Burn Rate by cutting unnecessary expenses and (2) increase cash by saving more, selling unnecessary assets or making extra income.
Disclaimer: The calculation assumes no revenue inflow, but in reality, if there is revenue in between, the runway will be longer than calculated.
English calculator guide
How to use the Cash Runway Calculator
Use this page to test a specific cash runway scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the cash runway estimate instead of relying on a generic example.
Build a baseline cash runway case with figures that match your situation.
Run a second cash runway case after changing the rate, period, quantity or other key assumption.
Record the difference between the two cash runway results and the input responsible for it.
Inputs for the cash runway estimate
For this cash runway calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a general arithmetic estimate for your scenario, not a guaranteed provider price or official decision.
How the cash runway result is calculated
The calculator applies the displayed inputs to the stated arithmetic relationship. Reusing the same cash runway inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a cash runway decision
Confirm any current rate, threshold or provider rule that could change the final amount. For cash runway, Use the result as a planning estimate and confirm any rate, rule or threshold that may have changed before acting. Recheck the entered values and units if the result looks unexpected.
Language QA
Terminology, numeric values and calculator controls checked
Review formula structure, test cases, data sources, effective dates, and risk language accordingly.How to check our · There is no claim that an outside professional reviewed it. Unless the page directly states the name and qualifications. This content is therefore not individual advice.
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