Manish Kumar
Birthday Countdown Calculator: Calculate Days Until Birthday & Exact Age | Free Tool 🎂 Birthday Countdown Calculator Calculate days until your birthday and discover your exact age with scientific precision LIVE DATE & TIME ⏰ Birthday Countdown 🎈 Age Calculator 🏆 Age Milestones 🎂 Your Birthday 💡 Enter your birthday to see the countdown and … Read more
📐 Displacement Calculator Calculate displacement, velocity, acceleration, and analyze motion with precision Calculation Mode: Basic Displacement (s = ut + ½at²)From Initial & Final VelocityVector Displacement (2D)Average Velocity MethodPosition Change Initial Velocity (u): m/skm/hmphft/sknotscm/smm/sft/min Final Velocity (v): m/skm/hmphft/sknotscm/smm/sft/min Acceleration (a): m/s²ft/s²cm/s²km/h²g (Earth gravity)mph/s Time (t): secondsmillisecondsminuteshoursdays X-Component Displacement: metersfeetcentimetersmillimeterskilometersmilesinchesyards Y-Component Displacement: metersfeetcentimetersmillimeterskilometersmilesinchesyards Initial Position: metersfeetcentimetersmillimeterskilometersmilesinchesyards … Read more
🚀 Projectile Motion Calculator Calculate trajectory, range, height, and analyze ballistic motion with precision Initial Velocity (v₀): m/skm/hmphft/sknotscm/smm/sft/minMach Launch Angle (θ): degreesradiansgradiansmilsturns Initial Height (h₀) – Optional: metersfeetcentimetersmillimetersincheskilometersmilesyards Gravitational Acceleration (g) – Optional: m/s²ft/s²cm/s²km/h²g (Earth gravity) Target Time (t) – Optional for Position: secondsmillisecondsminuteshours Calculate Trajectory Reset Projectile Motion Formulas: x = v₀cos(θ)tHorizontal position y … Read more
Brewster’s Angle Calculator Calculate Brewster’s angle, polarization states, reflection coefficients, and critical angles for light at interfaces Calculation Mode: Brewster’s AngleReflection CoefficientRefractive Index from Brewster’s AngleCritical Angle (Total Internal Reflection) Refractive Index of First Medium (n₁): Common values: Air = 1.0, Water = 1.33, Glass ≈ 1.5, Diamond = 2.42 Refractive Index of Second Medium … Read more
⚛️ Bragg’s Law Calculator Calculate parameters for X-ray diffraction and crystal structure analysis Select Calculation Mode: Calculate d-spacing (interplanar spacing)Calculate diffraction angle (θ)Calculate wavelength (λ)Calculate diffraction order (n)Calculate d-spacing from lattice parametersTwo-theta (2θ) conversionsStructure factor analysis Wavelength (λ): Ånmpm Common X-ray sources: Cu Kα = 1.5406 Å, Mo Kα = 0.7107 Å Diffraction Angle (θ): … Read more
Momentum Calculator Calculate linear momentum, impulse, and analyze collision dynamics with precision Mass (m): kggramsmilligramspoundsouncesslugsmetric tonsstonesgrainscarats Velocity (v): m/skm/hmphft/sknotscm/smm/sft/minMach% speed of light Time Duration (Δt) – Optional for Impulse: secondsmillisecondsmicrosecondsnanosecondsminuteshoursdaysyears Applied Force (F) – Optional for Impulse: Newtonskilonewtonsmeganewtonsdynespound-forcekilogram-forcegram-forceounce-forcepoundalston-force Calculate Momentum Reset Momentum & Impulse Formulas: p = m × vLinear momentum calculation J = F … Read more
Arrow Speed Calculator – Archery Physics & Bow Performance 🏹 Arrow Speed Calculator Calculate arrow velocity and kinetic energy based on bow specifications and arrow properties Bow IBO Rating: fpsm/skm/hmphft/minknots Draw Length of the Bow: inchescmmmfeetmeters Peak Draw Weight: lbskgNewtonsouncesgramsstones Arrow Weight: grainsgramsouncesmilligramskilogramspoundsdecagramsdrachmsstones Additional Weight on String: grainsgramsouncesmilligramskilogramspoundsdecagramsdrachmsstones Calculate Speed Reset IBO Arrow Speed Formula: … Read more
Centripetal Force Calculator Calculate centripetal force and understand circular motion physics Calculation Mode: From Angular Velocity (F = mω²r)From Linear Velocity (F = mv²/r)From Frequency (F = m(2πf)²r)From Period (F = m(2π/T)²r)From RPM (F = m(RPM×π/30)²r)From Centripetal Acceleration (F = ma) Mass (m): kgglbozt (metric ton) Radius (r): mcmmmftinkm Angular Velocity (ω): rad/sdeg/srev/srpm Linear Velocity … Read more
Hertz to dB Calculator – A-Weighting Frequency Response 🔊 Hertz ↔ dB A-Weighting Converter Calculate A-weighted frequency response to understand how human ears perceive different frequencies Conversion Type: Frequency (Hz) → A-weighted dBFind Frequency for dB Response Enter Frequency: HzkHzMHzGHz Calculate Reset A-Weighting Formula: A-Weight: Adjusts for human hearing sensitivity Peak: 0 dB at 1000 … Read more
Frequency Calculator – Calculate Frequency, Period & Wavelength Frequency Calculator Calculate frequency, period, wavelength, and wave properties with precision Calculation Mode: Frequency from Period (f = 1/T)Period from Frequency (T = 1/f)Angular Frequency (ω = 2πf)Wave Frequency (v = fλ)Find Wavelength from FrequencyFind Frequency from Wavelength & Wave SpeedFrequency Unit Conversion Period (T): smsμsnsminh Frequency … Read more