Finance
Instant, private, and free
Trailing Twelve Months Calculator.
Sum exactly twelve user-entered monthly values.
Set your values
Results update as you type.
FAQs
How does the ttm trailing twelve months calculator work?
Enter the requested values to receive a deterministic result. No live market, tax, or jurisdiction data is inferred.
Use Cases
Assess company performance
Investors and analysts use TTM to evaluate a company's recent financial health by summing the last twelve months of revenue, earnings, or cash flow.
Example: Sum monthly revenue from July 2023 to June 2024 to get the TTM revenue.
Calculate valuation multiples
Use TTM figures to compute price-to-earnings (P/E) or EV/EBITDA ratios for a more current valuation compared to annual reports.
Example: Divide current market cap by TTM earnings to get the P/E ratio.
Frequently Asked Questions
- What is a trailing twelve month (TTM) total?
- A trailing twelve month (TTM) total is the sum of the most recent twelve consecutive months of a financial metric, such as revenue or earnings. It provides a rolling annual figure that updates each month, offering a current view of performance without waiting for a fiscal year-end.
- How do I use the TTM calculator?
- Enter the monthly values for the twelve consecutive months you want to include. The calculator will sum them to give you the trailing twelve month total. Ensure the months are consecutive and in the correct order for an accurate result.
- Why is TTM useful in finance?
- TTM smooths out seasonal fluctuations and provides a more current annualized figure than a fiscal year that may be outdated. It is commonly used to evaluate company performance, calculate valuation multiples like P/E, and compare financial metrics across different reporting periods.
Tips & Common Mistakes
Tips
- Ensure the twelve months are consecutive and in chronological order to get an accurate TTM total.
- Use the same metric (e.g., revenue, profit) for all months to maintain consistency.
- If you have partial data, consider estimating missing months or using the most recent complete twelve months.
- Double-check your entries for typos or incorrect values before calculating.
Common Mistakes to Avoid
- Including non-consecutive months or skipping a month, which breaks the trailing twelve month sequence.
- Mixing different metrics (e.g., revenue and profit) in the same calculation, leading to meaningless totals.
- Using fiscal year data instead of the most recent twelve months, which may not reflect current performance.
Last updated: August 13, 2026