Scale Model Size Converter & Reference Chart
Guessing a scale is how you end up with a model car that dwarfs your display shelf, or a paint job planned for the wrong size entirely. Look up common scales for cars, RC boats, and aircraft, or convert any real-world size to model size in seconds.
How to Use This Chart
Search for a scale or tap a category to filter. Each row shows the approximate finished model size for that scale, what it's commonly used for, and a beginner note worth knowing before you buy or build. See a scale on a box or listing? Look it up here for an instant sense of the finished size. Treat these as solid starting points — always confirm the exact size on the specific kit box or listing before purchasing.
Scale Reference Chart
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| Compare | Scale / Type | Description | Typical Model Size | Scale Ratio | Common Use | Notes | Beginner Warning |
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These are general reference figures, not exact specifications. Always check the scale and dimensions listed on the specific kit or product before buying.
Scale Converter
Know the real-world size of something and want to know how big it'll be as a model? Enter the real length and the scale ratio to calculate the model size instantly.
Changing the unit converts your real-world length automatically, so the actual size stays the same.
Example: a 192" car at 1:24 scale = 8" model
Build-Readiness Checklist
Before you crack open a new kit, run through this checklist so you're not stopping mid-build to find a missing tool. Your progress is saved automatically in your browser.
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Why Scale Numbers Trip Up Beginners
A scale of 1:24 doesn't tell you a size on its own — it tells you a ratio. The same "1:24" produces a very different model size depending on whether you're scaling a compact car or a full-size truck. Always calculate the actual model size before committing to a build, especially if display space is tight.
Static vs. RC: Different Priorities
A static display model is judged on finish and detail alone. An RC model has to actually work — hull shape, wing loading, and motor power all matter as much as looks. Don't assume a beautiful static-model technique will translate directly to something that needs to float or fly.
Bigger Scales, Bigger Commitment
Larger scales like 1:18 or 1:350 ships mean more detail, but also more cost, more build time, and more shelf space. If you're building your first kit, a mid-range scale like 1:24 (cars) or 1:48 (aircraft) is usually more forgiving to learn on.
Aftermarket Support Varies by Scale
Popular scales have decades of aftermarket detail parts, decals, and reference material behind them. Less common scales can leave you improvising. If you're planning a highly detailed build, check parts availability for your chosen scale before you start.
Frequently Asked Questions
Modeling Guides
Deeper, plain-English guides to the things that trip up new builders. See all guides.
Recommended Tools & Accessories
Popular tools, paints, and platforms used by scale modelers and RC hobbyists. Links may be affiliate links in the future.
Disclaimer: These are general scale-modeling reference figures. Always check the exact scale and dimensions listed on the specific kit or product before purchasing. Read the full disclaimer.