Hobbyist Toolbox
Complete set of functional calculators and converters for scale model builders
Thread & Measurement Tools
Tap Drill Size Calculator
Determine the perfect drill bit size for metric and imperial tap threads with material-specific recommendations.
Thread Pitch Gauge
Identify unknown threads by measuring pitch and matching to standard metric/imperial profiles.
Universal Unit Converter
Convert between metric/imperial units for length, weight, volume, and torque with scale modeling presets.
Material Thickness Calculator
Calculate accurate sheet material thickness conversions for plastic, metal, and wood at any scale.
Painting & Finishing
Paint Mixing Calculator
Mix custom colors and convert between paint brands (Tamiya, Vallejo, Mr. Color) with FS/RAL matching.
Airbrush Pressure Guide
Get recommended PSI settings for different paint types, viscosities, and needle sizes.
Decal Solvent Database
Find the right decal solutions (MicroSol, Solvaset) for your kit’s decal type and material.
Weathering Effects Guide
Interactive recipes for rust, grime, and wear effects with filter/wash ratios.
Scale & Modeling
Scale Speed Calculator
Convert real-world speeds to accurate scale equivalents for dioramas and animations.
3D Print Tolerance Tester
Generate calibration models for perfect FDM/resin printer settings and fit checks.
Sprue Goo Calculator
Perfect recipes for plastic weld mixtures (Tamiya Extra Thin + sprue) by material type.
Stencil & Mask Generator
Create custom stencils for camouflage, markings, and lettering in any scale.
Electronics & Photography
LED Resistor Calculator
Determine resistor values for scale lighting (3V, 5V, 12V) with parallel/series options.
Figure Proportion Reference
Accurate measurements for 1:35, 1:16, and 1:6 scale human figures and anatomy.
Model Photography Assistant
Calculate DoF, lighting angles, and macro settings for professional model photos.
Project Cost Estimator
Track material costs for kits, aftermarket parts, paints, and supplies.
