All Astronomy Calculators Related Post

    Power Spectrum Amplitude Calculator Accurately calculate Power Spectral Density (PSD), RMS amplitude, and total power from your frequency-domain data. Power per Frequency Bin (linear, e.g., V² or W) Enter values separated by commas, spaces, or new lines Frequency Bin Width Δf (Hz) Output PSD Unit Per Hz (V²/Hz, W/Hz)dB/Hz Reference Power for dB […]

Hill Equation Calculator The Hill Equation Calculator is an essential online tool for biochemists, pharmacologists, and researchers studying cooperative ligand-receptor binding. Instantly calculate fractional saturation (θ), Hill coefficient (nH), and dissociation constant (Kd) with scientific precision. Interactive Calculator Input Parameters Ligand Concentration [L] (e.g., μM) Hill Coefficient (nH) nH > 1 = positive cooperativity |

    Tensor-to-Scalar Ratio Calculator Calculate the tensor-to-scalar ratio r — the key observable that probes primordial gravitational waves from cosmic inflation. Slow-Roll Parameter ε (optional) Scalar Spectral Index nₛ (optional) Tensor Power Spectrum Power Pₜ (optional) Scalar Power Spectrum Δ²ₛ (optional) Calculate Tensor-to-Scalar Ratio About the Tensor-to-Scalar Ratio Calculator The Tensor-to-Scalar Ratio Calculator is

  Time Delay Distance Calculator Time Delay Distance Calculator is an essential online tool that accurately determines the physical distance between a sound source and a listener based on the measured time delay and air temperature. This calculator uses the scientifically verified speed of sound formula adjusted for temperature to deliver precise results for audio

    Cosmic Microwave Background Temperature Calculator The Cosmic Microwave Background Temperature Calculator is an essential online tool that allows astronomers, physicists, students, and space enthusiasts to instantly determine the temperature of the Cosmic Microwave Background (CMB) radiation at any given redshift in the universe’s history. Based on the firmly established physical principle that CMB

Magnification Factor Calculator Objective Lens Magnification (e.g., 4x, 10x, 40x, 100x) Eyepiece / Ocular Lens Magnification (usually 10x or 15x) Tube / Body Factor (1x for standard, 1.5x for some trinocular heads) Projection / Camera Adapter Factor (if using camera, usually 0.5x–1x) Calculate Total Magnification Enter values and click Calculate Total Magnification = Objective ×

    Einstein Radius Calculator Calculate the Einstein Radius (θₑ) Accurately compute the angular size of the Einstein ring in gravitational lensing using peer-reviewed astrophysical formulas. Lens Mass (Mₗ) (in solar masses M⊙) Distance to Lens (Dₗ) (in megaparsecs Mpc) Distance to Source (Dₛ) (in megaparsecs Mpc) Angular Diameter Distance from Lens to Source (Dₗₛ)

    Lens Mass Calculator The Lens Mass Calculator is an advanced, scientifically accurate online tool designed to estimate the total mass of a gravitational lens (typically a galaxy or galaxy cluster) using the principles of weak gravitational lensing. This calculator strictly follows peer-reviewed astrophysical formulas and is built for researchers, students, and astronomy enthusiasts

CMB Anisotropy Calculator Calculate temperature anisotropies (ΔT/T), angular power spectrum, and acoustic peak positions in the CMB Anisotropy using the latest cosmological parameters (Planck 2018 baseline ΛCDM model). Interactive Calculator Hubble constant H₀ (km/s/Mpc) Matter density Ωₘ Dark energy density Ωₗ Baryon density Ω₆ h² Scalar spectral index nₛ Amplitude Aₛ (×10⁻⁹) Results rms Temperature

  Weak Lensing Calculator The Weak Lensing Calculator is a powerful, scientifically accurate online tool designed for cosmologists, astrophysicists, and astronomy enthusiasts to compute key parameters in Weak Lensing studies. Weak gravitational lensing is one of the most important probes of dark matter and dark energy, allowing us to map the large-scale structure of the