Inch Fraction Converter — Decimal Inch to Fraction
Convert a decimal inch to the nearest fraction (e.g. 0.375 = 3/8") and back — for woodworking, machining and construction.
🪚
Inch Fraction Converter
Numbers • inches
0 chars
0 chars
How to Use the Inch Fraction Converter
Pick a direction — use the toggle at the top (e.g. encode vs decode).
Type or paste your text — the result updates live as you type; large inputs are fine.
Copy the result — one click copies the output to your clipboard.
Swap — flip the direction (⇄) to reverse the conversion instantly.
Why Use This Inch Fraction Converter
🎯
Accurate Standards
Built on internationally recognised SI and standards-body conversion factors for dependable results.
⚡
Instant & Animated
Results update live as you type, with a clear visual breakdown across every unit at once.
🔒
100% Private
Everything runs in your browser — no account, no uploads, nothing leaves your device.
Understanding the Inch Fraction Converter
On a US tape measure, inches are divided into halves, quarters, eighths, sixteenths and thirty-seconds. Converting a decimal inch to the nearest fraction — 0.625" = 5/8" — is essential for woodworking, machining, carpentry and DIY.
This converter rounds any decimal inch to the closest common fraction and converts fractions back to decimals, so you can move between calculator/CAD numbers and the markings printed on your ruler.
Inch Fraction Converter FAQ
It returns the closest simple fraction, which for typical inch work lands on common denominators like 1/8, 1/16 or 1/32.