Calculators Archive • Page 5 of 6 • Vibromera

Wire Gauge Converter | AWG ↔ mm² ↔ SWG | Free Online Tool

Free wire gauge converter: AWG to mm², SWG, diameter, resistance. Comprehensive lookup table with cross-section area, diameter, and DC resistance per meter.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Gear Oil Quantity Calculator | Gearbox Fill Volume | Thermal Expansion | Free Tool

Free gearbox oil fill volume calculator. Spur, helical, bevel, worm, planetary gearbox types. Oil level at temperature, thermal expansion, drain interval, oil weight from volume×density.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Gear Mesh Frequency Calculator | GMF & Sidebands

Free online gear mesh frequency (GMF) calculator. Compute GMF, gear ratio, shaft 2 speed, and sideband frequencies for vibration analysis and gear fault diagnostics.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Gearbox Oil Volume Calculator | Free Online Tool

Free online gearbox oil volume calculator. Estimate oil fill volume from gearbox type, center distance, and ratio.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Gear Accuracy Class Calculator | ISO 1328-1 | Free Online Tool

Free online ISO 1328-1 gear accuracy calculator. Look up total pitch deviation, profile deviation, and helix deviation tolerances for quality classes 3-12.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

GD&T Tolerance Calculator | ISO 1101 | Free Online Tool

Free online GD&T reference tool per ISO 1101. Select tolerance type (position, flatness, circularity, etc.), datum frame, and get the symbol, tolerance zone shape, and inspection method.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Gage R&R Calculator | ISO 5725 | Measurement System Analysis

Free Gage R&R calculator per ISO 5725. Enter measurements from multiple parts, operators, and trials to calculate repeatability, reproducibility, %GRR, and number of distinct categories.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Frequency to Wavelength Calculator | Hz to Meters

Free online frequency to wavelength calculator. Convert Hz to meters for air, water, steel, and vacuum/light. Shows wavelength, wave period, and wave number.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Foundation Vibration from Machine | Transmitted Force

Free online calculator for foundation vibration from machine unbalance. Compute transmitted force, transmissibility ratio, natural frequency, frequency ratio, and isolation efficiency for mounted machinery.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Foundation Natural Frequency | fn = √(k·A/m)/(2π)

Calculate natural frequency of machine foundation. fn = √(k_soil × A / m) / (2π).

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Force Unit Converter | N kN lbf kgf daN | Free Online

Free online force unit converter. Convert between N, kN, MN, lbf, kgf, daN, dyn, poundal and kip. All units shown simultaneously with instant calculation.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Flywheel Energy Calculator | Free Tool #079

Calculate flywheel kinetic energy storage. Enter moment of inertia or mass+radius and speed. E=0.5*J*omega^2. Results in kJ, kWh, hp*s.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Flow Rate Converter | m³/h ↔ l/min ↔ GPM ↔ CFM

Convert between m³/h, l/min, GPM, CFM, m³/s and other flow rate units.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Flexible Rotor Balancing Tolerance — ISO 21940-14 | Free Online Tool

Free online calculator for flexible rotor balancing tolerances per ISO 21940-14. Calculate per-mode unbalance tolerance based on rotor mass, max speed, and number of flexible modes.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Flexible Coupling Calculator | DIN 740 | Free Online Tool

Free online DIN 740 flexible coupling calculator. Enter power, speed, service factor, and coupling type to calculate required torque rating, torsional stiffness, and natural frequency.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Flange Class Lookup | PN Rating ↔ ASME Class | DN Converter | Free Online Tool

Free online flange rating lookup tool. Convert between PN ratings (PN6–PN400) and ASME Classes (150–2500). View bolt count, bolt size, gasket type, and face type by DN size.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Flange Pressure-Temperature Rating | ASME B16.5 / EN 1092

Free flange P-T rating calculator per ASME B16.5 and EN 1092. Enter material group, flange class, and temperature to find maximum working pressure.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Flange Gasket Calculator | Gasket Sizing | Free Online Tool

Free flange gasket sizing calculator. Select flange class and pipe size to get gasket ID, OD, thickness, and bolt load requirements.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Equipment Failure Classifier | ISO 14224 | Reliability Data

Free ISO 14224 equipment failure classifier. Select equipment type and symptoms to identify failure modes, MTBF ranges, and recommended maintenance strategies.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Engine Parameters Calculator | ISO 3046 | BSFC, BMEP, Torque | Free Tool

Free engine parameters calculator per ISO 3046. Calculate power, BSFC, BMEP, torque, thermal efficiency, air/fuel ratio from fuel consumption. Diesel vs gas engine comparison.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Duct Pressure Loss Calculator | Free Online Tool

Free online duct pressure loss calculator. ΔP=f×L/D×ρv²/2 for round ducts. Shows velocity and Reynolds number.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Drive Efficiency Calculator | Multi-Stage | Free Online Tool

Free online multi-stage drive train efficiency calculator. Enter up to 5 stages with individual efficiency. η_total = η1 × η2 × ... × ηn. Includes typical efficiencies reference table.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Drilling Parameters Calculator | Speed, Feed, Thrust & Torque

Free drilling calculator: spindle speed, feed rate, thrust force and torque for drilling operations. Enter drill diameter, material and feed per tooth.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Downtime Cost Calculator | Production Loss | Free Tool

Calculate the cost of equipment downtime. Cost = hours × production rate × product value + labor.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Vibration Diagnostic Matrix | ISO 13379 | Fault Identification

Interactive vibration diagnostic matrix for fault identification. Select vibration symptoms to get ranked probable causes with confidence levels. Based on ISO 13379 pattern matching.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Dew Point Calculator | Magnus Formula | Free Online Tool

Free dew point calculator using Magnus formula. Enter temperature and relative humidity to calculate dew point temperature, frost point, and absolute humidity.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Density Mass Volume Calculator | ρ=m/V | Shape Calculator | Free Tool

Free density/mass/volume calculator. Solve for any variable. 30+ material presets, shape-based volume (cube, cylinder, sphere, cone, hollow cylinder), buoyancy, multi-unit output.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Damping Ratio Calculator | Log Decrement & Half-Power Bandwidth | Free Tool #066

Free online damping ratio calculator. Determine damping ratio ζ from logarithmic decrement (successive peak amplitudes) or half-power bandwidth method. Auto-calculation with formulas.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Cutting Speed ↔ RPM Calculator | Free Online Machining Tool

Free online calculator to convert between cutting speed (m/min) and spindle RPM. Bidirectional: enter either cutting speed or RPM plus diameter. Uses v=πDn/1000.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Cutting Power Calculator | Pc = Kc × ae × ap × vf / 60000

Free cutting power calculator for milling. Pc = Kc × ae × ap × vf / 60000. Enter specific cutting force, width/depth of cut and feed rate.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Crusher Rotor Balance Calculator | Impact & Jaw Crushers

Free online crusher rotor balance calculator. Calculate permissible unbalance (G16–G40), per-element tolerance, centrifugal force, and bearing life impact for impact and jaw crushers.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Spring Critical Speed (Surge Frequency) Calculator

Calculate spring surge frequency for helical compression springs. Enter wire diameter, coil diameter, active coils, and material to determine critical speed and avoid resonance.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Coupling Unbalance Tolerance Calculator | ISO 21940 | Free Online Tool

Free online calculator for permissible coupling unbalance per ISO 21940. Enter coupling mass, max speed, and balance grade to calculate maximum allowed unbalance.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Coupling Torque Calculator | T = P×9549/n | Free Online Tool

Free online coupling torque calculator. Calculate torque from power and speed using T = P×9549/n. Includes service factors table and direct force application T = F×r.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Correction Mass Decomposition — 2 Planes | Vector Split

Free online calculator to decompose a single correction mass into two balancing planes. Static unbalance split based on CG position and plane radii.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Cooling Tower Fan Vibration Calculator

Free online cooling tower fan vibration calculator. Calculate BPF, tip speed, centrifugal force, permissible unbalance, and tower structural resonance concerns for cooling tower fans.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Condition Monitoring Method Selector | ISO 17359

Free condition monitoring method selector per ISO 17359. Choose machine type and fault to detect — get recommended monitoring methods, sensors, and measurement parameters.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Wire Rope Capacity | SWL = MBL / SF | Free Tool

Free wire rope capacity calculator. SWL from rope diameter, construction and safety factor.

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Calculators

305 Free Engineering Calculators — Vibromera.eu | Vibration, Balancing, Bearings & More Free Engineering Tools 305 Engineering Calculators Professional-grade online tools for vibration analysis, rotor balancing, bearings, drives, hydraulics, metrology, and 25+ more engineering disciplines. Powered by international standards. 305+ Calculators 33 Categories 100+ Standards Free & No Registration 305 Read more

By Nikolai Shelkovenko, 4 weeks ago February 15, 2026

Calculators

Engineering calculators for vibration analysis and mechanical engineering