📈 Business & Marketing

Sales Growth Calculator

Calculate period-over-period sales growth in seconds. Free YoY, QoQ, and MoM sales growth calculator.

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What This Calculator Tells You

Sales growth shows how much revenue increased or decreased between two periods. It is the simplest health check for any business and the number most investors, lenders and managers ask for first.

Enter sales for the previous and current period and the calculator returns the growth rate and the change in dollars.

What to Enter

Previous period sales ($) — revenue for the earlier period (last month, last quarter, last year).
Current period sales ($) — revenue for the period you are measuring. Both periods must be the same length and use the same revenue definition (gross or net of returns).

Worked Examples

1. Year-over-year growth

Last year $120,000; this year $156,000.

Growth +30%, change +$36,000.

2. A decline

Q2 sales $85,000 vs Q1 $92,391.

About −8%. Check whether it is seasonal by comparing with Q2 last year instead.

3. Seasonal retail

December $210,000 vs November $140,000 shows +50%, but December last year was $200,000.

Year-over-year growth is only +5% — the better measure for seasonal businesses.

How It’s Calculated

Growth (%) = ((Current Period − Prior Period) ÷ Prior Period) × 100.

How to Read Your Result

Year-over-year (YoY) removes seasonality; month-over-month (MoM) shows momentum.
Small businesses often aim for 10–25% annual growth; early startups much more.
Compare growth with inflation — 4% growth in 3% inflation is about 1% real growth.
Look at the drivers: new customers, higher prices or more purchases per customer.

Common Mistakes to Avoid

Comparing periods of different length or with a different number of trading days.
Mixing gross and net sales between periods.
Using MoM for seasonal businesses.
Averaging growth rates across years instead of calculating compound growth.

Built and maintained by GenAlpha Tools Editorial. Uses the standard published formula shown above. How we calculate · Report an error

When to Use This Calculator

Track monthly, quarterly or annual business performance.
Report growth to investors, lenders or partners.
Measure the impact of a campaign or new product line.
Set realistic sales targets for next period.

Frequently Asked Questions

What is the sales growth formula?

Sales growth = (current sales − previous sales) ÷ previous sales × 100.

How do I calculate growth over several years?

Use compound annual growth rate (CAGR): (final ÷ initial)1/years − 1. The investment return calculator does this.

What is a good sales growth rate?

It depends on industry and stage. Mature businesses may grow 5–10% a year; young companies can grow 50–100%+. Beating your own trend and your market is what matters.

Can growth be negative?

Yes. A negative result means sales declined compared with the previous period.

Do you store the values I enter?

No. All calculations happen in your browser. Your data never leaves your device.

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