Dyne to Newton Converter
Our free force pressure & torque converter handles dyne newton conversions. See tables, ratios, and examples for quick reference.
Reviewed for accuracy by Manoj Kumar, Mathematics Educator
Dyne to Newton Converter
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Formula: N = dyn x 0.00001 | 1 N = 100,000 dyn | 1 kgf = 9.80665 N
Worked example โ 72.8 dyn/cm = 0.0728 N/m
Formula
N = dyn x 0.00001 | 1 N = 100,000 dyn | 1 kgf = 9.80665 N
One dyne equals exactly 0.00001 newtons (10^-5 N). The dyne is the CGS unit of force while the newton is the SI unit. One newton is the force required to accelerate 1 kilogram by 1 meter per second squared. One kilogram-force equals 9.80665 N (standard gravity). One pound-force equals 4.44822 N.
Worked Examples
Example 1: Surface Tension Conversion
Problem:Water has a surface tension of 72.8 dynes/cm. Convert to newtons per meter.
Solution:72.8 dynes/cm = 72.8 x 10^-5 N / 10^-2 m = 72.8 x 10^-3 N/m = 0.0728 N/m The force per unit length in SI units is 0.0728 N/m.
Result:72.8 dyn/cm = 0.0728 N/m
Example 2: Force Unit Comparison
Problem:Convert 50 newtons to dynes, kilogram-force, and pound-force.
Solution:Dynes: 50 x 100,000 = 5,000,000 dyn Kilogram-force: 50 / 9.80665 = 5.0986 kgf Pound-force: 50 / 4.44822 = 11.2404 lbf
Result:50 N = 5,000,000 dyn = 5.10 kgf = 11.24 lbf
Frequently Asked Questions
How do I convert dynes to newtons?
To convert dynes to newtons, divide by 100,000 (or multiply by 0.00001). One dyne equals exactly 10 to the power of negative 5 newtons. The dyne is the CGS (centimeter-gram-second) unit of force, while the newton is the SI unit. For example, 500,000 dynes equals 5 newtons (500,000 / 100,000 = 5). The relationship is exact because both are derived from fundamental metric units.
What is a dyne and where is it still used?
A dyne is the CGS unit of force equal to the force needed to accelerate a mass of one gram by one centimeter per second squared. While the SI system uses newtons, dynes are still encountered in older scientific literature, surface tension measurements (dynes per centimeter), and some specialized fields like rheology and fluid dynamics. Surface tension of water at room temperature is about 72 dynes/cm. Converting to SI, this is 0.072 N/m.
What is the difference between a newton and a kilogram-force?
A newton is the SI unit of force equal to the force needed to accelerate 1 kg by 1 m/s squared. A kilogram-force (kgf) is the force exerted by gravity on a 1 kg mass at standard gravity, equal to 9.80665 N. While kgf is intuitive because it relates to everyday weight, it depends on Earth gravity and is not an SI unit. Engineers sometimes use kgf for convenience, but newtons are required in scientific calculations.
How do I convert between newtons and pounds of force?
One newton equals approximately 0.224809 pounds-force (lbf), and one pound-force equals 4.44822 newtons. To convert newtons to pound-force, divide by 4.44822. To convert pound-force to newtons, multiply by 4.44822. For example, a 100 N force equals about 22.48 lbf. Pound-force is commonly used in US engineering, while newtons are the international scientific standard for force measurement.
References
Reviewed for accuracy by Manoj Kumar, Mathematics Educator ยท Editorial policy
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