Generate a Geometric Progression
Quickly create a list of numbers in geometric series. Runs entirely in your browser, so your data never leaves your device.
Output
The result appears here as you type.
How to use Generate a Geometric Progression
- 1. Set How many terms. There's nothing to paste here. Start by choosing how many values the sequence should contain under How many terms.
- 2. Set Start and Ratio. Choose the first term under Start and the multiplier applied between each term under Ratio, for example starting at 1 with a ratio of 2 to double each step.
- 3. Copy the sequence. Set the Separator, then copy the generated progression, such as 1, 2, 4, 8 and onward, from the output pane into your spreadsheet or worksheet.
When to use Generate a Geometric Progression
Generate a Geometric Progression produces a sequence where each term is the previous one multiplied by a fixed ratio, growing or shrinking exponentially. It handles any starting value and ratio without you manually multiplying term after term.
- Modeling compound growth for a finance example. You're illustrating how an investment or population doubles or grows by a fixed percentage each period, and need the exact sequence of values to plot.
- Preparing a math lesson on exponential sequences. A lesson contrasting arithmetic and geometric sequences needs a clean example series, like doubling from 1, to show alongside a linear sequence.
- Generating test values for a scaling algorithm. You're testing code that scales values exponentially, like an image resizer or a retry backoff, and need known geometric sequence values to check against.
- Designing a musical or visual pattern with fixed ratios. A generative art or music project needs a series of values that shrink or grow by a consistent ratio at each step.
Examples
Doubling: start 1, ratio 2
Output
1, 2, 4, 8, 16, 32, 64, 128, 256, 512
Halving: start 1, ratio 0.5
Output
1, 0.5, 0.25, 0.125, 0.0625
About the Generate a Geometric Progression tool
Generate a Geometric Progression runs as plain JavaScript in your browser tab, with no server behind it. Quickly create a list of numbers in geometric series. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's Number Tools section, 194 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with 4 settings, including How many terms, Start, Ratio and Separator, and the result refreshes the moment you change one. 2 worked examples further down the page show exactly what the tool produces for real inputs.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Does Generate a Geometric Progression cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Does the generator send anything to a server?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
How do I get a different result?
Run the generator again. Each run is computed fresh on your device, and any options you change are applied to the next result immediately.
Do I need to sign up or install anything?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.