Shop Tools & Calculators

Client-side calculators for speeds, feeds, tonnage, and tolerances. Zero data tracking.

Spindle Speed (RPM)

Calculate RPM from Surface Feet per Minute (SFM) and tool diameter.

Feed Rate (IPM)

Calculate Inches Per Minute from RPM, Flutes, and IPT.

Cutting Time

Estimate total time in cut based on length and feed rate.

Bend Allowance

Calculate sheet metal flat pattern layout lengths.

Hydraulic Force

Calculate cylinder push/pull force based on PSI and bore.

Pneumatic Force

Air cylinder force calculation.

Material Weight

Estimate mass of raw stock.

Tap Drill Size

Find correct drill diameter for thread engagement.

ISO Tolerances

Lookup standard hole/shaft fits.

Milling Horsepower

Calculate required spindle HP for material removal rate.

IM Tonnage

Estimate required clamping force.

O-Ring Groove

Calculate static/dynamic groove dimensions.