Femtogray to Gray Conversion

Convert between Femtogray and Gray quickly and accurately.

fGy
Gy

How to Convert Femtogray to Gray

Conversion Formula

1 fGy = 1E-15 Gy
1 Gy = 1E+15 fGy

Example

Convert 15 fGy to Gy:

15 fGy = 15 × 1E-15 Gy = 1E-14 Gy

Unit Information

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

Femtogray

fGy

Definition

A unit of absorbed radiation dose equal to 10^-15 gray, used for ultra-small absorbed dose measurements.

History/Origin

Part of the SI metric system, where femto- is the prefix for 10^-15, used for ultra-small quantities.

Current Use

Used in radiation protection, environmental monitoring, and ultra-small-dose radiation measurements.

Multiplier

1E-13

Offset

0

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

Femtogray to Gray Conversion Table

Femtogray [fGy] Gray [Gy]
1 fGy 1E-15 Gy
10 fGy 1E-14 Gy
25 fGy 3E-14 Gy
50 fGy 5E-14 Gy
100 fGy 1E-13 Gy
0 fGy 0E+0 Gy
-10 fGy -1E-14 Gy
-40 fGy -4E-14 Gy