Coolant & Lubrication Calculators

Coolant & Lubrication

Coolant & Lubrication Calculators

Flow rates, pressure, concentration, and heat — get your coolant dialed in for every job.

Coolant Flow Rate

Flow = Nozzles × GPM/Nozzle

Number of Nozzles

Flow/Nozzle (GPM)

Result

—

GPM

Coolant Concentration

Conc Vol = Total × (Target%/100)

Tank Volume (gal)

Target %

Result

—

gal conc

Heat Generation

Q = Fc × Vc

Cutting Force (lbf)

Cutting Speed (ft/min)

Result

—

ft·lbf/min

Nozzle Velocity

v = Q / (π r²)

Flow Rate (GPM)

Nozzle Dia (in)

Result

—

in/min

Min Chip Evac Flow

Min Flow = MRR × 10

MRR (in³/min)

Result

—

GPM

Refractometer Correction

Actual % = Reading × Index

Refractometer Reading (%)

Refractive Index

Result

—

% actual

Bar → PSI

PSI = Bar × 14.5038

Pressure (Bar)

Result

—

PSI

The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.