Saponification Lab
Explore Additional Utilities
Weight Converter
Convert between kilogram, gram, pound, ounce, stone, and other mass units.
Propeller pitch ↔ boat speed — theoretical boat speed
Calculate theoretical boat speed and actual speed based on propeller pitch, engine RPM, gear ratio, and hull slip percentages.
Nutritional Energy (kcal ↔ kJ)
Convert food nutritional calories and physical kilojoules standard label indexes.
Ground acceleration — Gal ↔ g ↔ m/s²
Convert Peak Ground Acceleration (PGA) values among Gal, gravity fractions, and m/s².
Cabochon dome height ↔ base diameter ratio
Calculate cabochon dome proportions, bezel edge thickness, and curvature radii based on base shapes.
Quench rate — steel grade ↔ medium — oil vs water vs air
Identify ideal quench mediums and tempering guidelines for hardening various carbon and alloy steel grades.
Freeness — CSF ↔ SR — pulp drainage rate
Convert between Canadian Standard Freeness and Schopper-Riegler drainage scales. Identify target paper grades.
Jess length ↔ bird leg diameter — equipment fitting
Calculate required jess length, leash scale, and anklet widths based on raptor leg diameter or tarsus metrics.
Endpaper size — book block dimensions ↔ sheet size
Determine correct paper grain directions and cut layout dimensions of endpapers relative to parent sheet paper sizes.
Coordinate converter — WGS84 ↔ local datum
Convert geographic coordinates between global WGS84 (GPS) and local datums, including UTM zone coordinate conversions.
pH buffer amount — solution volume ↔ ml of pH up/down
Estimate the volume of phosphoric acid (pH Down) or potassium hydroxide (pH Up) needed to adjust nutrient water reservoirs.
Exposure time — emulsion type ↔ UV source ↔ seconds
Estimate photo-emulsion exposure durations for screen printing frames or solar plates using light distance calculations.
Head Pressure Converter
Convert between hydrostatic head pressure (meters or feet of water) and fluid pressures like bar, PSI, Pascals, and atmospheres.
Muzzle velocity — fps ↔ m/s ↔ km/h
Convert velocities between fps, m/s, and km/h. Calculate muzzle kinetic energy in Joules and Foot-Pounds.
Spine width — page count + paper weight ↔ mm
Calculate spine width in millimeters from page count, paper weight (gsm or basis), and cover board thickness.
Eye size — skull diameter ↔ glass eye mm
Estimate ideal glass taxidermy eye sizes (in mm) and pupil types from skull diameter, socket dimensions, or species.
Bra Size Converter
Convert bra band and cup sizes across US, UK, EU, and French sizing standards with precise measurements.
Earthquake Magnitude (Richter ↔ Moment)
Convert and compare earthquake energy release, shaking amplitude, and felt effects between Richter (ML) and Moment Magnitude (Mw) scales.
Soil Compaction Ratio Calculator
Calculate and convert soil compaction ratio, loose volume, compacted volume, and shrink/swell factor for cut-and-fill operations.
Edition numbering — total prints ↔ AP ↔ PP allocation
Structure printmaking edition runs with proper numbering layouts, Artist Proofs, and Printer Proofs allocations.