Gray to Hectogray Conversion

Convert between Gray and Hectogray quickly and accurately.

Gy
hGy

How to Convert Gray to Hectogray

Conversion Formula

1 Gy = 0.01 hGy
1 hGy = 100 Gy

Example

Convert 15 Gy to hGy:

15 Gy = 15 × 0.01 hGy = 0.15 hGy

Unit Information

Learn about the radiation absorbed dose units you're converting between

Gray

Gy

Definition

The SI base unit of absorbed radiation dose equal to 100 rad, representing one joule of energy absorbed per kilogram of matter.

History/Origin

Named after Louis Harold Gray (1905-1965), the British physicist who made significant contributions to radiation dosimetry.

Current Use

Widely used in radiation therapy, medical physics, and radiation protection worldwide.

Multiplier

100

Offset

0

Hectogray

hGy

Definition

A unit of absorbed radiation dose equal to 10^2 gray, used for moderate absorbed dose measurements.

History/Origin

Part of the SI metric system, where hecto- is the prefix for 10^2, used for moderate quantities.

Current Use

Used in radiation therapy, medical physics, and moderate-dose radiation applications.

Multiplier

10000

Offset

0

Gray to Hectogray Conversion Table

Gray [Gy] Hectogray [hGy]
1 Gy 0.01 hGy
10 Gy 0.1 hGy
25 Gy 0.25 hGy
50 Gy 0.5 hGy
100 Gy 1 hGy
0 Gy 0E+0 hGy
-10 Gy -0.1 hGy
-40 Gy -0.4 hGy