E4M3 — yy binary-to-decimal conversion

1 sign bit · 4 exponent bits · 3 significand bits · bias 7 · subnormals enabled · S.1111.111 reserved for NaN. Normals have an implicit leading 1 (significand = 1.M); subnormals do not (significand = 0.M). Hover or click a dot to inspect any value.

sign

exponent

significand

Encoding Hex

Normal

positive negative

show subnormals & zero

normal subnormal NaN zero

Decimal conversion

yy Schubfach-family algorithm at E4M3 scale

How yy converts a float to decimal

Scale by a power of 10

Compute candidates

Select the candidate