Skip to main content
0 results ↑ ↓ navigate, ↵ select

Attosecond to Second (as to s) Conversion & Equation

Rate this converter 0 of 0 ratings
Live Conversion • BIPM SI Brochure (9th Edition) Certified
1 Attosecond = 1 × 10⁻¹⁸ Second
1 as = 1 × 10⁻¹⁸ s • 1 s = 1 × 10¹⁸ as
Attosecond to Second: One Attosecond is equal to 1 × 10⁻¹⁸ Seconds.
Certified Authority Value
0.00000000
s
Exact: 1 s ≡ 1 × 10¹⁸ as
as
as
Swap to Second to Attosecond
s
s 1 × 10⁻¹⁸
Quick Values:
1 as 5 as 10 as 25 as 50 as 100 as 250 as 500 as 1,000 as
Conversion Formula
To convert Attosecond to Second, multiply by 1 × 10⁻¹⁸
as × 1 × 10⁻¹⁸ = s

Calculation: 1 as × 1 × 10⁻¹⁸ = 1 × 10⁻¹⁸ s

Common Attosecond to Second Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Attosecond (as) and Second (s).

Tap any row to calculate
Second to Attosecond: Reciprocal Summary
Second to Attosecond Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 s is equal to 1 × 10¹⁸ as (Attosecond) 1 × 10¹⁸
5 s is equal to 5 × 10¹⁸ as (Attosecond) 5 × 10¹⁸
10 s is equal to 1 × 10¹⁹ as (Attosecond) 1 × 10¹⁹
50 s is equal to 5 × 10¹⁹ as (Attosecond) 5 × 10¹⁹
100 s is equal to 1 × 10²⁰ as (Attosecond) 1 × 10²⁰
View Complete 15-Row Second to Attosecond Table

Real-World Context & Everyday Benchmarks

Tap to load into converter

To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Attosecond (as) and Second (s):

Attosecond References:

  • Electron quantum orbital transition and ionization timescale inside atoms 100 as

Second References:

  • Average healthy adult resting human heartbeat pulse interval 1 s
  • Standard SI base unit defined by 9,192,631,770 cesium-133 radiation cycles 1 s
  • Distance light travels in vacuum during one single second (300,000 km) 1 s

Tap any benchmark above to automatically calculate its exact equivalent in Second.

ISQ Dimension: [T] Coherent SI Unit: second (s) Classical Mechanics & Dimensional Metrology

How to Convert Attosecond to Second

Converting Attosecond (as) to Second (s) is a core calculation in Time Duration, which measures the continuous sequence and duration of events occurring from the past through the present to the future. Both units reside within the International System of Units (SI) and share an identical physical dimension vector ([T]), separated strictly by a decimal order-of-magnitude factor (10^-18). Because this shift involves integer powers of 10, the conversion is mathematically exact and free from decimal rounding or irrational fractional loss. Exactly 1 Attosecond equals 1 × 10⁻¹⁸ Second.

Direct Factor1 as = 1 × 10⁻¹⁸ s
Inverse Ratio1 s = 1 × 10¹⁸ as
Conversion ScalePure SI Metric Prefix Shift (10ⁿ Decimal Scaling)
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (second (s)) without arbitrary rounding:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 as = 1 × 10⁻¹⁸ second (s)
2. Target SI Bridge (ktarget):1 s = 1 second (s)
Step-by-step substitution for Attosecond → Second:V(s) = V(as) × ( 1 × 10⁻¹⁸ / 1 ) = V(as) × 1 × 10⁻¹⁸
Mathematical FormulaValue in Second = Value in Attosecond × 1 × 10⁻¹⁸Direct computational formula applied for standard conversion.
Worked Example

Converting 250 as yields an exact output of 2.5 × 10⁻¹⁶ s in Second. Under higher industrial throughput, 480 as translates to 4.8 × 10⁻¹⁶ s.

Inverse check: 1 s = 1 × 10¹⁸ as.

Understanding Attosecond and Second

Attosecond

as
SI Submultiple

An Attosecond (as) is a decimal submultiple of the SI-derived unit for time duration.

Applications & Practical Context

In practical time terms, a electron quantum orbital transition and ionization timescale inside atoms equals 100 as.

Physical Setup

A physical magnitude of 1 as corresponds to 1 × 10⁻¹⁸ s in standard SI measurement.

Conversion to SI Unit: second (s)
1 as = 1 × 10⁻¹⁸ s

Second

s
SI Base Standard

A Second (s) is the official base standard unit for time duration.

Applications & Practical Context

In practical time terms, a average healthy adult resting human heartbeat pulse interval equals 1 s, a standard SI base unit defined by 9,192,631,770 cesium-133 radiation cycles equals 1 s, a distance light travels in vacuum during one single second (300,000 km) equals 1 s.

Physical Setup

A time duration of 1 s represents an elapsed chronological interval of 1 Second.

Conversion to SI Unit: second (s)
1 s = 1 s (Base Standard)

Domain Metrology & Engineering Applications

Governing Law & Equation

Caesium-133 Ground-State Hyperfine Transition Frequency (Δν_Cs ≡ 9,192,631,770 Hz)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using atomic rubidium frequency clocks, GPS disciplined oscillators (GPSDO), and digital time-interval counters.

Primary Industry Sectors

Applied across telecommunications network synchronization, high-frequency financial trading, satellite navigation, and power grid phasors under international metrology standard BIPM SI Brochure (9th Edition), ISO 80000-3:2019.

Physical Orders of Magnitude & Laboratory Reference Benchmarks

Physical Phenomenon / Engineering ReferenceReference ValueConverted to Second
Electron quantum orbital transition and ionization timescale inside atoms100 as1 × 10⁻¹⁶ s
Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the BIPM SI Brochure (9th Edition), ISO 80000-3:2019. Governed by Caesium-133 Ground-State Hyperfine Transition Frequency (Δν_Cs ≡ 9,192,631,770 Hz) under ISO 80000 dimensional vector [T].

Multi-Variable Engineering Bridge Kinematics & Orbital Transit

Travel Time & Kinematics Bridge (Hours • Minutes • Days • km • Miles • Knots)

Calculate transit duration, delivery time, or beam delay across terrestrial distances [L] and velocity vectors [L T⁻¹] via the classical kinematic equation t = d / v.

t = d / v
Live Calculated Bridge Equivalent:
1 as at Interstate Highway Speed (100 km/h / 62 mph) = 10 × 10⁻²⁴ hours
Equals 6 × 10⁻²² min • 4.1667 × 10⁻²⁵ days • 3.6 × 10⁻²⁰ s
Road Transit
10 × 10⁻²⁴
h
Hours
Commute Sizing
6 × 10⁻²²
min
Minutes
Freight Duration
4.1667 × 10⁻²⁵
days
Days
SI Standard
3.6 × 10⁻²⁰
s
Seconds
Network / Sensor
3.6 × 10⁻¹⁷
ms
Milliseconds
Photonic Latency
3.6 × 10⁻¹⁴
μs
Microseconds
  1. 1. Normalize Input to SI Base Unit (m):
    d = 1 as × 1 × 10⁻¹⁸ = 1 × 10⁻¹⁸ m
  2. 2. Apply Engineering Parameter (v):
    Selected condition: Interstate Highway Speed (100 km/h / 62 mph) at v = 27.7778 m/s
  3. 3. Execute Governing Physical Law in SI Units:
    t = d / v = (1 × 10⁻¹⁸) ÷ (27.7778) = 3.599997 × 10⁻²⁰ s
  4. 4. Convert to Standard Engineering Units:
    • h: 3.599997 × 10⁻²⁰ × 0.0002778 = 10 × 10⁻²⁴ h (Hours) • min: 3.599997 × 10⁻²⁰ × 0.01667 = 6 × 10⁻²² min (Minutes) • days: 3.599997 × 10⁻²⁰ × 1.1574 × 10⁻⁵ = 4.1667 × 10⁻²⁵ days (Days) • s: 3.599997 × 10⁻²⁰ × 1 = 3.6 × 10⁻²⁰ s (Seconds) • ms: 3.599997 × 10⁻²⁰ × 1000 = 3.6 × 10⁻¹⁷ ms (Milliseconds) • μs: 3.599997 × 10⁻²⁰ × 1000000 = 3.6 × 10⁻¹⁴ μs (Microseconds)
Explore Full Speed Converter →
Engineering Substance / Operating Standard Parameter Value (m/s) Reference State / Condition Typical Industrial & Engineering Application
Human Walking Pace (5 km/h / 3.1 mph) 1.3889 5.0 km/h Pedestrian navigation & urban trails
City Cycling Pace (20 km/h / 12.4 mph) 5.5556 20.0 km/h Commuter bicycle & e-bike navigation
Interstate Highway Speed (100 km/h / 62 mph) 27.7778 100.0 km/h Standard passenger vehicle highway cruising
Fast Motorway Cruise (160 km/h / 100 mph) 44.4444 160.0 km/h European motorway intercity dispatch
High-Speed Rail (TGV / Shinkansen, 320 km/h) 88.8889 320.0 km/h cruise Intercity high-speed electrified passenger rail
Commercial Jetliner (900 km/h / 560 mph) 250 Mach 0.82 @ 36,000 ft Long-haul Boeing 787 / A350 cruising velocity
Speed of Sound in Air (Mach 1.0 @ 20°C) 343.2 20°C, sea level standard Acoustic wave propagation & sonic boom threshold
Supersonic Military Jet (Mach 2.0 / 2,450 km/h) 686.4 Mach 2.0 @ high altitude Fighter aircraft supersonic interception speed
Low Earth Orbit (ISS: 27,600 km/h / 17,150 mph) 7667 Orbital altitude ~408 km International Space Station orbital velocity
Speed of Light in Optical Fiber (~200,000 km/s) 2 × 10⁸ Index of refraction n ≈ 1.47 Transcontinental internet ping signal transit latency
Embed
Need this Attosecond to Second calculator on your website, lab portal, or research blog?
Free HTML Widget 100% Responsive Zero Cookie Tracking
Notice a calculation discrepancy, rounding error, or glitch?
Help us maintain 100% scientific precision and report any issues directly to engineering.

Frequently Asked Questions

There are exactly 1 × 10⁻¹⁸ seconds (s) in 1 attosecond (as). To calculate larger amounts manually, simply multiply your total number of attoseconds by the conversion multiplier of 1 × 10⁻¹⁸.

The mathematical formula to convert attoseconds to seconds is: [value] * 1 × 10⁻¹⁸ = seconds. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from seconds back to attoseconds, you must divide your starting value by 1 × 10⁻¹⁸. Our bidirectional tool automatically computes this inverse equation the moment you type into the second input field.

1 Second is larger than 1 Attosecond. Specifically, 1 Attosecond equals 1 × 10⁻¹⁸ seconds, meaning 1 Second is 1 × 10¹⁸ times larger than 1 Attosecond (a difference of 18.00 orders of magnitude). Expressing measurements in attoseconds requires a larger numerical value to represent the equivalent physical magnitude.

A typical electron quantum orbital transition and ionization timescale inside atoms measures 100 as, which corresponds to 1 × 10⁻¹⁶ s (Second).

There are exactly 1.00000 × 10⁻¹⁸ Seconds in 1 Attosecond. The standard SI base equation is 1 as = 1.00000 × 10⁻¹⁸ s.

To convert Attoseconds to Seconds, multiply the initial variable by 1.00000 × 10⁻¹⁸. The exact physical formula is V(s) = V(as) × 1.00000 × 10⁻¹⁸.

To perform the inverse calculation from Seconds to Attoseconds, multiply the value by 1.00000 × 10¹⁸. The reverse formula is V(as) = V(s) × 1.00000 × 10¹⁸.

An attosecond (10⁻¹⁸ seconds) is the time scale of electron dynamics within atoms. Correlating attoseconds directly to the SI base unit (second) is fundamental for attophysics and high-harmonic generation research.

Similar Categories