Teranewtons to Femtonewtons Converter — TN to fN

Convert Teranewton (TN) to Femtonewton (fN) using the exact conversion factor (1 teranewton = 1e+27 femtonewton). See the formula, worked examples, and conversion table.

Teranewtons to Femtonewtons converter

Converter

Force Converter

Convert newtons, dynes, pound-force, kilogram-force, kips, and ounce-force.

Result 1 teranewton = 1e+27 femtonewton
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From definition

Teranewton is 1000000000000 newton units.

To definition

Femtonewton is 1e-15 newton units.

Formula

Result = input x 1e+12 / 1e-15.

Force uses the newton as the base unit.

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About Converting Teranewtons to Femtonewtons

Teranewton and Femtonewton both measure force, and the conversion matters whenever an SI-trained engineer needs to compare notes with a US-trained one, or vice versa. Specifically: Teranewton is 1000000000000 newton units, and femtonewton is 1e-15 newton units.

Formula

femtonewtons = teranewtons × 1e+27

This factor comes from each unit's defined relationship to the category's base unit: 1 teranewton equals 1e+12 base units, and 1 femtonewton equals 1e-15 base units, so dividing one by the other gives the direct teranewton-to-femtonewton factor of 1e+27.

Simple example

1 TN × 1e+27 = 1e+27 fN

1 teranewton = 1e+27 femtonewtons.

Real-world example

10 TN × 1e+27 = 1e+28 fN

10 teranewtons = 1e+28 femtonewtons.

Conversion table

Teranewton (TN)Femtonewton (fN)
1 TN1e+27 fN
5 TN5e+27 fN
10 TN1e+28 fN
50 TN5e+28 fN
100 TN1e+29 fN
1,000 TN1e+30 fN

Reverse conversion: Femtonewton to Teranewton

1e+27 fN × 1e-27 = 1 TN

1e+27 femtonewtons = 1 teranewtons.

teranewtons = femtonewtons × 1e-27

For a page dedicated to this direction, see Femtonewton to Teranewton.

Understanding the Teranewton (TN)

Teranewton is 1000000000000 newton units.

Understanding the Femtonewton (fN)

Femtonewton is 1e-15 newton units.

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Frequently asked questions

How many femtonewtons are in 1 teranewton?

1 teranewton equals 1e+27 femtonewtons, using the exact defined conversion factor rather than an estimate.

How do I convert teranewton to femtonewton?

Multiply the teranewton value by 1e+27. The converter above does this instantly to whatever precision you set.

How do I convert femtonewton back to teranewton?

Use the reverse factor: 1 femtonewton equals 1e-27 teranewtons. You can also use the swap control in the converter above to flip the direction instantly.

What is a teranewton?

Teranewton (TN) is a unit of force.

What is a femtonewton?

Femtonewton (fN) is a unit of force.

Is the teranewton to femtonewton conversion exact?

Yes. Both teranewton and femtonewton are defined by fixed standards rather than physical artifacts, so the factor of 1e+27 used above is exact to as many digits as you choose to display.