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Free Business Tool

Growth Rate Calculator

Use our free growth rate calculator to compute simple growth rate and CAGR (compound annual growth rate) from any two values. Perfect for tracking revenue growth rate, MRR, ARR, or any business metric — no signup required.

Find the people & companies you need → Lessie AI

Enter 2 or more periods to also compute CAGR.

Example OutputThis is a preview. Enter your own values above to calculate.
Initial Value$1,000
Final Value$1,800
Number of Periods3
Simple Growth Rate
80.00%
CAGR (per period)
21.64%
Typical Growth Rate Benchmarks
Early-Stage SaaS MRR
15 – 25% / mo
SaaS ARR (Series A+)
20 – 50% / yr
E-commerce Revenue
10 – 20% / yr
S&P 500 Average
7 – 10% / yr

How It Works

Step 01
Enter Initial and Final Values

Input the starting value and ending value of the metric you want to measure — revenue, users, MRR, or any other number.

Step 02
Set Number of Periods

Optionally enter the number of periods (months, quarters, or years) to unlock per-period CAGR calculation. Leave blank for simple growth rate only.

Step 03
Compare to Benchmarks

See how your growth rate compares to typical SaaS, e-commerce, and stock market benchmarks. Pair the output with CPM analysis to evaluate marketing ROI alongside growth.

What You Get With This Calculator

Simple Rate + CAGR Output

Get both the total simple growth rate and the per-period CAGR (compound annual growth rate) in one click — no manual growth rate formula needed.

Industry Benchmark Reference

Compare your business growth rate to typical ranges: SaaS MRR (15–25%/mo), SaaS ARR (20–50%/yr), e-commerce (10–20%/yr), and S&P 500 (7–10%/yr).

Flexible Period Support

Works for any timeframe — months, quarters, years. Use it as a monthly growth rate tool, quarterly tracker, or year-over-year analyzer.

No Signup Required

100% free with unlimited calculations. No account, no credit card, no limits. Try our CPM calculator for ad campaign metrics too.

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Who Uses a Growth Rate Calculator

Founders & CEOs

Track revenue growth rate and MRR/ARR expansion to share progress with investors and the board. Combine with B2B lead generation data to forecast next-quarter growth.

Finance Teams

Build financial models with accurate CAGR figures. Use the per-period rate for multi-year forecasts, budget reviews, and quarterly business reviews.

Marketing Analysts

Measure campaign-driven revenue lift over time. Cross-reference outputs with intent-based marketing performance to attribute growth to the right channels.

Investors & Analysts

Quickly evaluate company-level growth trajectories during diligence. CAGR is the standard metric for comparing portfolio companies across different time horizons.

FAQ

Get answers to common questions about Lessie AI.

What is the growth rate formula?

Simple growth rate = ((Final Value − Initial Value) / Initial Value) × 100%. For per-period CAGR, the formula is CAGR = ((Final / Initial)^(1/n) − 1) × 100%, where n is the number of periods.

Simple growth rate vs CAGR — what's the difference?

Simple growth rate measures the total percentage change between two points in time, ignoring how long it took. CAGR (compound annual growth rate) measures the constant per-period rate that would compound from the initial value to the final value over n periods. Use simple rate for short comparisons, CAGR for multi-period analysis.

How do I calculate annual growth rate from monthly data?

Enter your starting value, ending value, and number of months as periods — the calculator returns per-month CAGR. To annualize, use (1 + monthly_cagr)^12 − 1. Alternatively, enter values 12 months apart with periods = 1 for direct year-over-year rate.

What is a good business growth rate?

It depends on stage and industry. Early-stage SaaS targets 15–25% MRR growth per month. Series A+ SaaS typically grows 20–50% ARR per year. Mature e-commerce sees 10–20% annual revenue growth. The S&P 500 averages 7–10% annual return. See our revenue generation strategies guide for benchmarks by stage.

Can this calculator handle negative growth (decline)?

Yes. If the final value is lower than the initial value, the result is negative and displayed in red. Note that CAGR is mathematically undefined when final value crosses zero from positive (or vice versa), so the calculator only shows CAGR when both values share the same sign.

Is this growth rate calculator free?

Yes, 100% free with no registration required. Calculate as many growth rates and CAGR values as you need, anytime.

How does growth rate connect to marketing?

Sustainable business growth depends on pipeline quality. Use the growth rate calculator to set targets, then drive those targets with B2B lead generation and an intent-based marketing motion that matches your CAGR ambitions.

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