Kilogram-forces/square centimeter to Bars Converter (kgf/cm² to bar)

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Live Conversion • ISO 80000-4:2019 Certified

1 Kilogram-force/square centimeter = 0.980665 Bar

1 kgf/cm² = 0.980665 bar • 1 bar = 1.019716 kgf/cm²

Decimals:

Certified Authority Value

0.98066500

bar

From / Input

kgf/cm²

Swap to Bar to Kilogram-force/square centimeter

To / Result

bar

Quick Values:

Conversion Formula

To convert Kilogram-force/square centimeter to Bar, multiply by 0.980665

kgf/cm² × 0.980665 = bar

Calculation: 1 kgf/cm² × 0.980665 = 0.980665 bar

Common Kilogram-force/square centimeter to Bar Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Kilogram-force/square centimeter (kgf/cm²) and Bar (bar).

Tap any row to calculate

Kilogram-force/square centimeter to Bar: Primary Direct Table (15 Steps)

Rule: 1 Kilogram-force/square centimeter is equal to 0.980665 bar (Bar)

Kilogram-force/square centimeter to Bar Conversion Reference Table
Conversion & Equivalent Value	Scientific Notation
0.001 kgf/cm² 0.000980665 bar	9.807 × 10⁻⁴
0.01 kgf/cm² 0.00980665 bar	9.807 × 10⁻³
0.1 kgf/cm² 0.0980665 bar	9.807 × 10⁻²
0.5 kgf/cm² 0.490333 bar	4.903 × 10⁻¹
1 kgf/cm² 0.980665 bar	9.807 × 10⁻¹
2 kgf/cm² 1.96133 bar	1.961 × 10⁰
5 kgf/cm² 4.903325 bar	4.903 × 10⁰
10 kgf/cm² 9.80665 bar	9.807 × 10⁰
20 kgf/cm² 19.6133 bar	1.961 × 10¹
25 kgf/cm² 24.516625 bar	2.452 × 10¹
50 kgf/cm² 49.03325 bar	4.903 × 10¹
100 kgf/cm² 98.0665 bar	9.807 × 10¹
250 kgf/cm² 245.166251 bar	2.452 × 10²
500 kgf/cm² 490.332501 bar	4.903 × 10²
1000 kgf/cm² 980.665003 bar	9.807 × 10²

Bar to Kilogram-force/square centimeter: Reciprocal Summary

Rule: 1 Bar is equal to 1.019716 kgf/cm² (Kilogram-force/square centimeter)

Bar to Kilogram-force/square centimeter Conversion Reference Table
Reciprocal & Equivalent Value	Scientific Notation
1 bar 1.019716 kgf/cm²	1.02 × 10⁰
5 bar 5.098581 kgf/cm²	5.099 × 10⁰
10 bar 10.197162 kgf/cm²	1.02 × 10¹
50 bar 50.985811 kgf/cm²	5.099 × 10¹
100 bar 101.971621 kgf/cm²	1.02 × 10²

View Complete 15-Row Bar to Kilogram-force/square centimeter Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Kilogram-force/square centimeter (kgf/cm²) and Bar (bar):

Kilogram-force/square centimeter References:

Pressure exerted by a single dollar banknote resting flat on a table 1.0E-5 kgf/cm²
Gentle falling winter snowflake landing pressure on surface 1.0E-5 kgf/cm²
Quiet rural night ambient acoustic sound pressure wave in air 0 kgf/cm²

Bar References:

Standard atmospheric pressure at sea level (1.01325 bar) 1 bar
Commercial espresso machine coffee extraction group head pressure 9 bar
Standard scuba diving compressed breathing air cylinder pressure 200 bar
Deep ocean floor water pressure at bottom of the Mariana Trench 1086 bar

Tap any benchmark above to automatically calculate its exact equivalent in Bar.

ISQ Dimension: [M L⁻¹ T⁻²] Coherent SI Unit: pascal (Pa) Chemical Engineering, Solutions & Physical Chemistry

How to Convert Kilogram-force/square centimeter to Bar

Converting Kilogram-force/square centimeter (kgf/cm²) to Bar (bar) is a core calculation in Pressure and Stress, which measures the perpendicular force exerted by a fluid or contact load per unit surface area. This calculation navigates the boundary between the International Metric System (SI) and British Imperial / US Customary engineering standards. In contemporary metrology, Imperial units are defined in terms of exact SI standards via international agreements—notably NIST SP 811 and the 1959 International Yard and Pound Agreement. Exactly 1 Kilogram-force/square centimeter equals 0.980665 Bar, while 1 bar equals 1.019716 kgf/cm².

Direct Factor1 kgf/cm² = 0.980665 bar

Inverse Ratio1 bar = 1.019716 kgf/cm²

Conversion ScaleMetric SI to British Imperial / US Customary Bridge

First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (pascal (Pa)) without arbitrary rounding:

V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)

Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)

1. Source SI Bridge (k_source):1 kgf/cm² = 98066.500286 pascal (Pa)

2. Target SI Bridge (k_target):1 bar = 100000 pascal (Pa)

Step-by-step substitution for Kilogram-force/square centimeter → Bar:V(bar) = V(kgf/cm²) × ( 98066.500286 / 100000 ) = V(kgf/cm²) × 0.980665

Mathematical FormulaValue in Bar = Value in Kilogram-force/square centimeter × 0.980665Direct computational formula applied for standard conversion.

Worked Example

For an engineering input of 8 kgf/cm², applying the conversion factor yields exactly 7.84532 bar. At larger operational scale, 1000 Kilogram-force/square centimeter corresponds to 980.665003 bar.

Inverse check: 1 bar = 1.019716 kgf/cm².

Understanding Kilogram-force/square centimeter and Bar

Domain Metrology & Engineering Applications

Governing Law & Equation

Pascal's Principle of Fluid Pressure (P = F / A)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using primary deadweight piston gauges, piezoresistive silicon pressure transmitters, and Bourdon tube test gauges.

Primary Industry Sectors

Applied across aerospace hydraulic flight actuators, oil & gas pipeline monitoring, chemical autoclave pressure safety, and industrial compressed air under international metrology standard ISO 80000-4:2019, NIST SP 811.

Physical Orders of Magnitude & Laboratory Reference Benchmarks

Physical Phenomenon / Engineering Reference	Reference Value	Converted to Bar
Standard atmospheric pressure at sea level (1.01325 bar)	`1 bar`	`0.980665 bar`
Commercial espresso machine coffee extraction group head pressure	`9 bar`	`8.825985 bar`
Standard scuba diving compressed breathing air cylinder pressure	`200 bar`	`196.133001 bar`
Deep ocean floor water pressure at bottom of the Mariana Trench	`1086 bar`	`1065.002193 bar`

Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-4:2019, NIST SP 811 and the BIPM SI Brochure (9th Edition). Governed by Pascal's Principle of Fluid Pressure (P = F / A) under ISO 80000 dimensional vector [M L⁻¹ T⁻²].

Multi-Variable Engineering Bridge Fluid Power & Hydraulic Thrust

Hydraulic Cylinder & Contact Area Force Bridge (Newtons • Kilonewtons • Meganewtons • Pounds-Force)

Calculate total mechanical actuator force and clamp load F = P × A across standard cylinder bore sizes, bridging fluid pressure [M L⁻¹ T⁻²] with mechanical force [M L T⁻²].

Input System Pressure (P): kgf/cm²

Select Cylinder Bore Area: 0.0079 m²

Governing Law: F = P × A

Vector: [Pa] × [m²] → [N]

Live Calculated Bridge Equivalent:

1 kgf/cm² at 100mm Heavy Excavator Boom Cylinder (0.007854 m²) = 770.2123 N

Equals 0.7702 kN • 0.00077021 MN • 173.1506 lbf

SI Force

770.2123

Newtons

Structural / Civil

0.7702

Kilonewtons

Rocket / Geotechnical

0.00077021

Meganewtons

US Engineering

173.1506

lbf

Pounds-Force

Metric Force

78.5398

kgf

Kilograms-Force

CGS Physics

7.7 × 10⁷

dyn

Dynes

Step-by-Step Numerical Derivation Proof View Derivation

1. Normalize Input to SI Base Unit (Pa):
P = 1 kgf/cm² × 98066.50028639 = 98066.50028639 Pa
2. Apply Engineering Parameter (A):
Selected condition: 100mm Heavy Excavator Boom Cylinder (0.007854 m²) at A = 0.007854 m²
3. Execute Governing Physical Law in SI Units:
F = P × A = (98066.50028639 Pa) × (0.007854 m²) = 770.212332 N
4. Convert to Standard Engineering Units:
• N: 770.212332 × 1 = 770.2123 N (Newtons) • kN: 770.212332 × 0.001 = 0.7702 kN (Kilonewtons) • MN: 770.212332 × 1 × 10⁻⁶ = 0.00077021 MN (Meganewtons) • lbf: 770.212332 × 0.2248 = 173.1506 lbf (Pounds-Force) • kgf: 770.212332 × 0.102 = 78.5398 kgf (Kilograms-Force) • dyn: 770.212332 × 100000 = 7.7 × 10⁷ dyn (Dynes)

Explore Full Area Converter →

Engineering Substance / Operating Standard	Parameter Value (m²)	Reference State / Condition	Typical Industrial & Engineering Application
25mm Pneumatic Cylinder (0.000491 m²)	`0.0004909`	0.000491 m²	1-inch pneumatic automation tooling
50mm Hydraulic Ram (0.001963 m²)	`0.001964`	0.001963 m²	2-inch mobile equipment ram
100mm Heavy Excavator Boom Cylinder (0.007854 m²)	`0.007854`	0.007854 m²	4-inch earthmoving boom cylinder
200mm Industrial Stamping Press (0.031416 m²)	`0.03142`	0.031416 m²	8-inch manufacturing stamping ram
500mm Hydroelectric Gate Actuator (0.19635 m²)	`0.1963`	0.19635 m²	20-inch dam gate hydraulic actuator

Frequently Asked Questions

There are exactly 0.980665 bars (bar) in 1 kilogram-force/square centimeter (kgf/cm²). To calculate larger amounts manually, simply multiply your total number of kilogram-forces/square centimeter by the conversion multiplier of 0.980665.

The mathematical formula to convert kilogram-forces/square centimeter to bars is: [value] * 0.980665 = bars. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from bars back to kilogram-forces/square centimeter, you must divide your starting value by 0.980665. Our bidirectional tool automatically computes this inverse equation the moment you type into the bar input field.

1 Bar is larger than 1 Kilogram-force/square centimeter. Specifically, 1 Kilogram-force/square centimeter equals 0.980665 bars, meaning 1 Bar is 1.0197 times larger than 1 Kilogram-force/square centimeter (a difference of 0.01 orders of magnitude). Expressing measurements in kilogram-forces/square centimeter requires a larger numerical value to represent the equivalent physical magnitude.

Under standard international measurement guidelines, 1 Kilogram-force/square centimeter converts to 0.980665 bars. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.