Hub 4 Mech
Source Details

Bibliographic details of "The International System of Units (SI Brochure)" and every note, problem and app that cites it.

Web page

The International System of Units (SI Brochure)

Bureau International des Poids et Mesures (BIPM)

Source Info

Year, publisher and where to find it

Year
2026
Link
https://www.bipm.org/en/si-brochure-9
1
Force Converter
Tool

Force Converter

Convert forces between newtons, kilonewtons, pound-force, kips, kilogram-force and more, with exact factors and the conversion steps shown.

Used at:Ch. 4, non-SI units

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6
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2
Temperature Converter
Tool

Temperature Converter

Convert temperatures between °C, °F, K and °R, and temperature differences without the offset, with the formulas shown step by step.

Used at:Ch. 4, non-SI units

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3
Moment of Inertia Converter
Tool

Moment of Inertia Converter

Convert the second moment of area (mm⁴, cm⁴, in⁴, ft⁴) and the mass moment of inertia (kg·m², lb·ft², slug·ft²) with exact factors and steps.

Used at:Ch. 4, non-SI units

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4
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4
Angle Converter
Tool

Angle Converter

Convert angles between degrees, radians, degrees-minutes-seconds, gradians and turns, with exact π-based factors and the steps shown.

Used at:Ch. 4, non-SI units

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4
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5
Area Converter
Tool

Area Converter

Convert areas between mm², cm², m², in², ft², acres, hectares and more, with exact factors and the conversion steps shown.

Used at:Ch. 4, non-SI units

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3
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6
Volume Converter
Tool

Volume Converter

Convert volumes between mL, liters, m³, in³, ft³, U.S. and imperial gallons and more, with exact factors and the conversion steps shown.

Used at:Ch. 4, non-SI units

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3
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7
Velocity Converter
Tool

Velocity Converter

Convert speeds between m/s, km/h, ft/s, mph and knots, and rotational speeds between rpm and rad/s, with the conversion steps shown.

Used at:Ch. 4, non-SI units

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3
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8
Moment and Torque Converter
Tool

Moment and Torque Converter

Convert moments and torques between N·m, N·mm, kN·m, lbf·in, lbf·ft, kip·ft, kgf·m and more, with exact factors and the steps shown.

Used at:Ch. 4, non-SI units

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3
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9
Time Converter
Tool

Time Converter

Convert time between nanoseconds, seconds, minutes, hours, days, weeks and years, or split a duration into hours, minutes and seconds.

Used at:Ch. 4, non-SI units

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2
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10
Stress and Pressure Converter
Tool

Stress and Pressure Converter

Convert stress and pressure between Pa, kPa, MPa, GPa, psi, ksi, bar, atm, mmHg and more, with exact factors and the conversion steps shown.

Used at:Ch. 4, non-SI units

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