PV Partial Shading Calculator: Bypass Diodes and Optimizers
Wired White v1 Sweep a shadow across solar cells and watch the P–V peaks change. Compare bypass diodes, global or local MPPT, and module optimizer power after conversion losses.
Engineering calcs
Calculators by WiredWhite engineers: inputs, formulas you can read, results, charts and drawings, checked against reference cases. They run in your browser.
Wired White v1 
MacCready Speed-to-Fly: Glider & Paraglider Polar Calculator
Wired White v1 Find training speed-to-fly and average cross-country speed from a three-point polar. Animate the MacCready tangent for gliders and paragliders.
Engine-Out Glide Range Calculator: Wind and Turns
Wired White v1 Estimate engine-out glide range with weight-corrected speed, wind and turn losses. Explore a north-up footprint and animated route. Aviation training only.
Speaker Crossover Calculator with Real Driver Impedance
Wired White v1 Design a two-way passive crossover with Butterworth, Bessel or Linkwitz–Riley filters. Compare real driver loading, Zobel correction, L-pad losses and the modeled amplitude and phase sum.
Fret Calculator: Single Scale and Multiscale Layout
Wired White v1 Calculate 12-TET fret spacing and exact fanned-fret geometry, with neutral fret, string spread, known compensation offsets, coordinate tables, and a calibrated drawing.
Room Mode Calculator, RT60 and Bass-Trap Planner
Wired White v1 Calculate axial, tangential and oblique room modes, compare octave-band RT60, and size replacement treatment. Explore pressure nodes, listener position and trial bass-trap locations.
Boat Speed, Prop Pitch, Horsepower and Fuel Cost Calculator
Wired White v1 Estimate hull speed, shaft horsepower, propeller slip and pitch, then calculate boat fuel burn and trip cost. Compare displacement, transition and planing methods.
Guitar & Bass String Tension and Gauge Calculator
Wired White v1 Calculate string tension for any tuning and per-string scale length. Design a balanced guitar or bass set from target tensions using published unit weights.
MRI Contrast Calculator: TR, TE, Flip Angle and Scan Time
Wired White v1 Compare spin-echo and spoiled gradient-echo MRI signals, tissue contrast, Ernst angles and scan time. Explore TR and TE curves with a precession and relaxation animation.
Ultrasound Physics Calculator: Beam, Resolution & Doppler Aliasing
Wired White v1 Explore ultrasound beam width, axial and lateral resolution, attenuation-limited penetration and Doppler aliasing. Animate a pulse and see how depth limits the Nyquist velocity.
Gamma Shielding Calculator: Dose Rate and Radioactive Decay
Wired White v1 Estimate radioactive decay, layered uncollided gamma attenuation, homogeneous buildup, HVL/TVL and dose-budget time for six radionuclides.
Liquid Nitrogen Spill: Room Oxygen Level Check
Wired White v1 Screen LN₂ spill or boil-off oxygen depletion from inventory, room volume and ventilation. Compare a full-inventory spill with time-dependent room oxygen; local safety policy prevails.
Fed-Batch Feed Rate Calculator for E. coli and Yeast
Wired White v1 Plan exponential feeding, biomass and liquid volume for E. coli or yeast. Find when oxygen transfer, cooling, pump flow or vessel capacity requires a change.
Protein A Column Sizing: Residence Time, Capacity, Cycles
Wired White v1 Size a Protein A column from titer, residence time and dynamic binding capacity. Estimate cycles, buffer use, process time and clean-bed pressure drop.
TFF Calculator: Concentration, Diafiltration and Membrane Area
Wired White v1 Calculate TFF product yield, salt removal, buffer demand and membrane area. Includes gel-polarization flux, target diavolumes and the classical Cg/e diafiltration optimum.
Freeze-Drying: Primary Drying Time and Product Temperature
Wired White v1 Estimate vial primary drying time, product temperature, and margin below collapse. Explore shelf temperature and chamber pressure with an animated ice front and a thermal design-space chart.
LNP Formulation: N/P Ratio, Lipid Volumes and Mixer Flows
Wired White v1 Calculate RNA phosphate moles, N/P-based lipid stock volumes, and mixer flows. Track ethanol through mixing, dilution, and ideal equilibrium dialysis.
Steam Sterilization F0 Calculator: Del Factor & Log Reduction
Wired White v1 Estimate F₀, spore log reduction, Del factor, SAL and nutrient retention through heat-up, hold and cooling. Explore how vessel volume changes the cycle.
Bioreactor Scale-Up: P/V, Tip Speed and Mixing Time
Wired White v1 Calculate bioreactor scale-up at constant P/V, tip speed, mixing time or estimated kLa. Compare speed, power and trade-offs with animated tank views.
Bioreactor Oxygen Transfer: kLa, OTR and Max Cell Density
Wired White v1 Calculate oxygen solubility, kLa, OTR, oxygen demand and dry biomass limits. Compare oxygen capacity with jacket cooling duty and explore an animated dissolved-oxygen transient.
Agarose Gel Simulator: Percent, Run Time, Band Positions
Wired White v1 Choose agarose percentage, estimate DNA band positions and run time, and mix a gel recipe. Animate the run or calibrate the approximate mobility model to your ladder.
Bacterial Growth: When Does My Culture Reach OD600 0.6?
Wired White v1 Estimate time to an induction OD600 from starting OD, doubling time and lag. Compare Gompertz and exponential growth, size the starter, and check measurement dilution.
Primer Tm and PCR Annealing Temperature Calculator
Wired White v1 Calculate DNA primer melting temperatures with nearest-neighbor thermodynamics and Mg²⁺/dNTP corrections. Compare a primer pair, view melting curves, and plan a gradient PCR.
qPCR Efficiency Calculator: ΔΔCt and Pfaffl
Wired White v1 Analyze Ct replicates with ΔΔCt and Pfaffl, geometric reference-gene normalization and propagated error. Fit standard-curve efficiency and calculate DNA copy numbers.
