Budgeting
Time to goal
How long the gap takes to close at the current contribution rate.
The Formula
Months to goal = (fund - savings) / monthly contribution
How long the gap takes to close at the current contribution rate.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| S | Current savings | currency | What you have set aside. |
| C | Monthly contribution | currency | Amount added each month. |
What Each Symbol Means
Scurrency
Current savings
What you have set aside.
Ccurrency
Monthly contribution
Amount added each month.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate an emergency fund page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate An Emergency Fund, filed under Finance. Every number the guide produces comes from substituting into this one line.