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Gray Converter

Convert Gray to Femtogray Second and more • 73 conversions

Result

0

1 0
Conversion Formula
1 = ---
Quick Reference
1 = 1
10 = 10
50 = 50
100 = 100
500 = 500
1000 = 1000

Unit Explanations

GrayGy

Source Unit

The gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.

1 Gy = 1 J/kg

Current Use

The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.

Fun Fact

The gray is equivalent to 100 rad, an older unit of absorbed dose.

Femtogray Secondfg·s

Target Unit

The femtogray second (fg·s) is a derived unit of measurement that combines the gray (a unit of ionizing radiation dose) with seconds (a measure of time). One femtogray is equal to 10^-15 grays, making the femtogray second a very small unit applicable in contexts where very low levels of radiation exposure are measured over very short time intervals. This unit is particularly useful in scientific research involving radiation effects at nanoscale levels, enabling precise calculations of radiation exposure and its biological impacts over time.

1 fg·s = 10^-15 Gy * s

Current Use

Femtogray seconds are primarily used in scientific research where extremely low levels of radiation are analyzed over short durations. This is particularly relevant in fields such as radiobiology, nuclear medicine, and radiation therapy, where understanding the effects of low-dose radiation over time is crucial for developing safety protocols and treatment plans.

Fun Fact

The femtogray is one of the smallest units of radiation, allowing for extremely precise measurements.

Decimals:
Scientific:OFF

Result

0

1
0
Conversion Formula
1 = ...
1→1
10→10
100→100
1000→1000

📐Conversion Formula

= × 1.00000

How to Convert

To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.

Quick Examples

1
=
1.000
10
=
10.00
100
=
100.0

💡 Pro Tip: For the reverse conversion (), divide by the conversion factor instead of multiplying.

Gy

Gray

radiationSI Unit

Definition

The gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.

History & Origin

The gray was introduced in 1975 by the International System of Units (SI) as the unit of absorbed dose to provide a standardized measurement for radiation exposure. Its creation was a response to the need for a unified system that could facilitate consistency in scientific research and practical applications in radiology, nuclear medicine, and radiation therapy.

Etymology: The unit is named after the British physicist Louis Harold Gray, who made significant contributions to the field of radiation therapy and the study of radiation's effects on biological tissue.

1975: The gray is officially adopted...

Current Use

The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.

HealthcareNuclear EnergyRadiologyEnvironmental Science

💡 Fun Facts

  • The gray is equivalent to 100 rad, an older unit of absorbed dose.
  • The gray is used in radiation therapy to ensure that the cancerous tissue receives a lethal dose while surrounding healthy tissue receives a much lower dose.
  • Louis Harold Gray was the first scientist to quantify the effects of radiation on living tissue, leading to advancements in cancer treatment.

📏 Real-World Examples

2 Gy
A patient receives a single dose of radiation for cancer treatment.
20 Gy
A radiation worker's annual limit for radiation exposure is set.
10 mGy
Diagnostic imaging procedures, such as CT scans, expose patients to radiation.
1.5 Gy
Radiation therapy for a thyroid condition requires a specific dose.
0.5 Gy
Environmental evaluations assess radiation levels after a nuclear accident.

🔗 Related Units

Rad (1 Gy = 100 rad)Rem (1 Gy = 100 rem (in terms of biological effect depending on radiation type))Sievert (1 Sv = 1 Gy for photons; used for equivalent dose measurement.)Joule (1 Gy is defined as 1 J/kg, linking it to energy absorption.)
fg·s

Femtogray Second

radiationNon-SI

Definition

The femtogray second (fg·s) is a derived unit of measurement that combines the gray (a unit of ionizing radiation dose) with seconds (a measure of time). One femtogray is equal to 10^-15 grays, making the femtogray second a very small unit applicable in contexts where very low levels of radiation exposure are measured over very short time intervals. This unit is particularly useful in scientific research involving radiation effects at nanoscale levels, enabling precise calculations of radiation exposure and its biological impacts over time.

History & Origin

The femtogray second emerged from the need to quantify minuscule doses of ionizing radiation over time, particularly in fields like radiobiology and medical physics. It reflects advancements in understanding radiation interactions at the atomic and molecular levels, enabling researchers to study radiation effects in more detail than traditional units could accommodate.

Etymology: The term 'femto' is derived from the Danish word 'femten', meaning 'fifteen', indicating the factor of 10^-15. 'Gray' was named after British physicist Louis Harold Gray, who made significant contributions to radiation dosimetry.

1975: The gray (Gy) was adopted as t...2000: Introduction of femtogray as a...

Current Use

Femtogray seconds are primarily used in scientific research where extremely low levels of radiation are analyzed over short durations. This is particularly relevant in fields such as radiobiology, nuclear medicine, and radiation therapy, where understanding the effects of low-dose radiation over time is crucial for developing safety protocols and treatment plans.

HealthcareNuclear EnergyResearch Institutions

💡 Fun Facts

  • The femtogray is one of the smallest units of radiation, allowing for extremely precise measurements.
  • The use of femtogray seconds in research has advanced our understanding of radiation's effects at the cellular level.
  • Radiation doses measured in femtogray seconds can help scientists understand the threshold for biological effects.

📏 Real-World Examples

5 fg·s
Radiation exposure from a medical imaging procedure
10 fg·s
Radiation from cosmic rays during a flight
20 fg·s
Background radiation in a laboratory environment
15 fg·s
Radiation therapy for cancer patients
8 fg·s
Monitoring radiation levels in nuclear facilities

🔗 Related Units

Gray (1 fg·s = 10^-15 Gy·s)Microgray (1 fg·s = 10^-9 µGy·s)Nanogray (1 fg·s = 10^-6 nGy·s)Milligray (1 fg·s = 10^-12 mGy·s)

Frequently Asked Questions

How do I convert to ?

To convert to , multiply your value by 1. For example, 10 equals 10 .

What is the formula for to conversion?

The formula is: = × 1. This conversion factor is based on international standards.

Is this to converter accurate?

Yes! MetricConv uses internationally standardized conversion factors from organizations like NIST and ISO. Our calculations support up to 15 decimal places of precision, making it suitable for scientific, engineering, and everyday calculations.

Can I convert back to ?

Absolutely! You can use the swap button (⇄) in the converter above to reverse the conversion direction, or visit our to converter.

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