Sales Growth Calculator
Growth rate between two periods.
Enter your values
Enter the prior period sales in $.
Enter the current period sales in $.
Enter the project forward in periods.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Growth rate
- 22.62%
- Absolute change
- $95,000.00
- Projected next period
- $631,488.10
- Projected in 3 periods
- $949,469.56
- Doubling time at this rate
- 3.4 periods
Quick answer
Growth rate is the change in sales divided by the prior period, expressed as a percentage.
Growth = (New − Old) ÷ Old × 100
At a glance
| What it does | Growth rate between two periods. |
|---|---|
| Category | Business |
| Inputs needed | Prior period sales, Current period sales, Project forward |
| Main output | Growth rate |
| Formula | Growth = (New − Old) ÷ Old × 100 |
| Cost | Free — no sign-up, no download |
How to use the Sales Growth Calculator
- 1Enter sales for the earlier period.
- 2Enter sales for the current period.
- 3Choose how many periods to project forward.
Inputs explained
- Prior period sales($)
- Enter the prior period sales in $.
- Current period sales($)
- Enter the current period sales in $.
- Project forward(periods)
- Enter the project forward in periods.
Worked example
Using the values the calculator loads with:
Inputs
- Prior period sales420000 $
- Current period sales515000 $
- Project forward3 periods
Results
- Growth rate22.62%
- Absolute change$95,000.00
- Projected next period$631,488.10
- Projected in 3 periods$949,469.56
- Doubling time at this rate3.4 periods
Frequently asked questions
Should I compare to last quarter or last year?
Year-over-year removes seasonality; quarter-over-quarter shows momentum.
What is good SaaS growth?
Early-stage benchmarks are 15–20% month-over-month; 30–40% a year at scale.
What do I need to enter into the Sales Growth Calculator?
Just 3 values: prior period sales, current period sales, project forward. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Sales Growth Calculator work out the answer?
Growth rate is the change in sales divided by the prior period, expressed as a percentage. It applies the formula Growth = (New − Old) ÷ Old × 100 and shows the working so you can check each step by hand.
Is the Sales Growth Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.