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Vacuum

nTorrtomPa

Convert nanotorr (vacuum) (nTorr) to millipascals (vacuum) (mPa).

Factor1 nTorr = 0.0001333224 mPa

Converter

nTorr

Accepts numbers or expressions, e.g. 150 + 14.7

Result
13.3322mPa

Rendered to 6 significant figures.

Formula

Formula
mPa = nTorr × 0.0001333224

Multiply any value in nanotorr (vacuum) by 0.0001333224 to obtain the value in millipascals (vacuum).

Worked example

Convert 100000 nTorr to mPa.

  1. 01Start with 100000 nTorr.
  2. 02Multiply by the conversion factor: 100000 × 0.0001333224 = 13.3322 mPa.
Result100000 nTorr = 13.3322 mPa

Conversion table

nTorrmPa
10.00013332
20.00026664
50.00066661
100.0013332
200.0026664
500.0066661
1000.013332
2000.026664
5000.066661
10000.13332

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from nTorr to mPa?
1 nTorr equals 0.0001333224 mPa. To convert, multiply the value in nanotorr (vacuum) by 0.0001333224.
How do I convert 1 nTorr to mPa?
1 nTorr = 0.000133322 mPa. For any value, multiply by 0.0001333224.
How do I convert mPa back to nTorr?
Divide by the same factor — or equivalently, multiply by 7500.617. So 1 mPa = 7500.62 nTorr.
When would I need to convert nanotorr (vacuum) to millipascal (vacuum)?
Vacuum-pressure conversions between nTorr and mPa are common in vacuum-chamber instrumentation, pump-down endpoint specification, semiconductor and deposition process work, freeze-drying, electron-microscopy column pressure, vacuum metallurgy and HVAC / refrigeration service. Torr, mmHg and inHg dominate manometric vacuum gauges; mbar is standard on European instruments; micron Hg and mTorr cover high-vacuum work; Pa and kPa are the SI references. This category is vacuum / instrumentation intent — dimensionally the same as pressure, but kept separate so process-pressure searches and vacuum searches stay on the right page.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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