Fall Time Calculator Instantly find free fall time, impact velocity, or drop height — on Earth or any planet. Inputs Calculation Mode Time from HeightHeight from Time Unit System Metric (m, m/s)Imperial (ft, ft/s) Gravity Earth (9.8 m/s²)Moon (1.62 m/s²)Mars (3.71 m/s²)Jupiter (24.79 m/s²)Custom Gravity Height m Custom Gravity (m/s²) m/s² ! Please enter a […]

Time Relativity Calculator See exactly how time dilates at relativistic speeds — instant, physics-accurate results. Inputs Velocity % of ckm/sm/smphkm/h Proper Time (Duration) yearsdayshoursminutesseconds Show Results In All ResultsDilated Time OnlyTime Difference OnlyLorentz Factor Only ! Please enter a valid velocity below the speed of light and a positive duration. Calculate Time Dilation Results ► […]

Kepler Orbit Time of Flight Calculator Calculate orbital time of flight instantly from true anomaly using Kepler’s Equation. Orbital Inputs Eccentricity (e) Semi-Major Axis (a) kmmmiAU Central Body (μ) EarthMoonMarsSunCustom μ Custom μ (km³/s²) Initial True Anomaly (ν₁) degrad Final True Anomaly (ν₂) degrad ! Please check your inputs. Calculate Time of Flight Results ► […]

RC Time Constant Calculator Instantly calculate τ (Tau) — the charge & discharge time of any RC circuit. Inputs Resistance (R) ΩkΩMΩ Capacitance (C) FmFµFnFpF Display Unit Auto (Best Fit)Seconds (s)Milliseconds (ms)Microseconds (µs) ! Please enter valid positive values for both resistance and capacitance. Calculate Time Constant Results Time Constant (τ = R × C) […]