Wet-Bulb Temperature, Heat Index and WBGT Calculator
Wired White v1 Calculate wet-bulb temperature, dew point, NWS heat index and wind chill. Estimate WBGT from local wind and sunlight, with Japanese heat-risk bands.
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 
Compression Spring Calculator & Designer
Wired White v1 Design a round-wire compression spring: calculate rate, solid height, Wahl stress, buckling, Goodman fatigue and surge frequency, with animated compression.
Drone Flight Time Calculator
Wired White v1 Estimate multicopter hover time from battery energy and rotor physics. Check thrust-to-weight ratio and payload limits for a chosen endurance target.
LoRa Airtime, Duty Cycle & Battery Cost: Spreading Factor Planner
Wired White v1 Compare SF7–SF12 airtime, bit rate, link gain, hourly duty budget and battery cost per message. Enter your regional limit and device currents; optionally estimate ALOHA overlap.
Two-Link Robot Arm Calculator: Inverse Kinematics & Torque
Wired White v1 Solve forward and inverse kinematics for a planar two-link arm, compare elbow up/down, and calculate static joint torques from link masses and payload.
IoT Battery Life Calculator: Sleep, Wake, Transmit & Self-Discharge
Wired White v1 Estimate sensor node battery life from sleep, wake, sensing, connection and transmit states. Include board leakage, regulator current, capacity derating and annual self-discharge.
Short-Circuit Current Calculator
Wired White v1 Estimate three-phase and single-phase fault current, motor backfeed and peak current using a simplified IEC 60909 impedance model. Compare duty with breaker capacity.
LoRa & Meshtastic Link Budget and Fresnel Zone Calculator
Wired White v1 Estimate LoRa link margin, Fresnel clearance and ridge diffraction. Compare free space with Hata models and check dated regional power and airtime presets.
Robot Drive Motor Sizing Calculator
Wired White v1 Size wheel and motor torque, speed, reduction ratio and battery energy for an uphill wheeled robot. Check traction and compare a candidate motor at its loaded operating point.
CNC Router Feeds and Speeds Calculator with Tool Deflection
Wired White v1 Calculate chip load, radial chip thinning, feed rate, spindle power and static end mill deflection. Explore cutter engagement and the effect of stickout.
RLC Circuit Response Calculator
Wired White v1 Calculate RC, RL, and series or parallel RLC step responses, Bode plots, resonance, Q, and damping. Animate the transient and inspect voltage and current.
Projectile Motion and Free Fall Calculator with Air Drag
Wired White v1 Calculate projectile motion and free fall with air resistance, wind and altitude. Compare the vacuum path, find the best launch angle, and estimate terminal velocity.
Pipe Pressure Drop and Pump Sizing Calculator
Wired White v1 Calculate pipe pressure drop, pump head, shaft power and NPSHa with Darcy–Weisbach. Compare system and pump curves using Colebrook or Swamee–Jain friction factors.
Quarter Mile Calculator and 0–60 Simulator
Wired White v1 Simulate quarter-mile ET, trap speed and 0–60 mph from an engine torque curve, gearing, shift delays, tire grip and road loads. Replay the pass and compare the forces.
Truss Analysis Calculator
Wired White v1 Analyze 2D pin-jointed trusses by the direct stiffness method. Calculate member forces, stresses, support reactions and joint displacements with force-coloured diagrams.
Recessed Lighting Layout and Lux Calculator
Wired White v1 Plan recessed-light spacing and count from lumens, beam angle and mounting height. Compare lux heat maps, average light levels and uniformity with a task target.
Gear Ratio and Involute Gear Calculator
Wired White v1 Calculate gear-train ratio, speed and torque; inspect a rotating involute spur pair with profile shift and contact ratio, then compare road speed by gear.
Tire Size, Speedometer and Gearing Calculator
Wired White v1 Compare tire sizes, speedometer error and engine RPM in every gear. Find regear targets and see how wheel offset changes a measured clearance envelope.
Stair Calculator — Rise, Run, Stringer & Headroom
Wired White v1 Calculate stair rise, going, pitch, stringer layout length and headroom from total rise and run. Compare riser counts with explicit IRC or DIN dimensional checks.
Rocket Delta-v, Staging and Orbital Refueling Calculator
Wired White v1 Calculate staged rocket delta-v, thrust-to-weight and ascent loss estimates. Explore optimal mass allocation and tanker deliveries with transfer losses and boil-off.
Wind Turbine Energy Yield Calculator
Wired White v1 Estimate annual wind turbine energy and capacity factor using Weibull winds, hub-height shear, and a Cp model or measured power curve. Include availability and site losses.
Humanoid Robot: Balance, Joint Torque and Runtime
Wired White v1 Estimate humanoid robot battery life, ZMP balance margins and hip/knee stance torque. Animate a walking step and compare battery, gait and duty-cycle assumptions.
Sun Position and Solar Irradiance Calculator
Wired White v1 Find solar elevation, azimuth and clear-sky irradiance on a tilted panel. Animate the sun path, compare panel tilts and estimate daily incident solar energy.
Orbital AI Data Center: Solar and Radiator Sizing
Wired White v1 Size solar arrays, eclipse batteries and radiators for an orbital AI data center. Compare temperature, orbit geometry, launch mass and launch-price assumptions.
