ftH2O (4°C) to Newton/sq mm Converter

Pressure Converter

29 units available

Decimals:

From

To

0.002989

1 ftH2O = 0.002989 N/mm²

Formula:

N/mm² = ftH2O × 0.0029890669

With your value: 1 ftH2O = 0.00298907 N/mm²

Other ftH2O (4°C) to Newton/sq mm conversions

2 ftH2O to N/mm² 3 ftH2O to N/mm² 4 ftH2O to N/mm² 5 ftH2O to N/mm² 6 ftH2O to N/mm² 7 ftH2O to N/mm² 8 ftH2O to N/mm²

ftH2O (4°C) to Newton/sq mm Conversion Table

ftH2O (4°C) (ftH2O)	Newton/sq mm (N/mm²)
0.5	0.001495
1	0.002989
2	0.005978
5	0.014945
10	0.029891
15	0.044836
20	0.059781
25	0.074727
50	0.149453
100	0.298907
250	0.747267
500	1.494533
1000	2.989067

Newton/sq mm to ftH2O (4°C) Conversion Table

Newton/sq mm (N/mm²)	ftH2O (4°C) (ftH2O)
0.5	167.276283
1	334.552566
2	669.105131
5	1,672.762828
10	3,345.525656
15	5,018.288483
20	6,691.051311
25	8,363.814139
50	16,727.628278
100	33,455.256555
250	83,638.141388
500	167,276.282776
1000	334,552.565551

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

ftH2O (4°C) (ftH2O)

Pressure

Exact conversion

Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Newton/sq mm (N/mm²)

Pressure

Exact conversion

Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert ftH2O (4°C) to Newton/sq mm

To convert from ftH2O (4°C) (ftH2O) to Newton/sq mm (N/mm²), multiply the value by 0.0029890669.

Formula: N/mm² = ftH2O × 0.0029890669

Reverse: ftH2O = N/mm² × 334.5525655515

Step-by-Step Example

Start with your value in ftH2O (4°C). For example: 5 ftH2O
Multiply by the conversion factor: 5 x 0.0029890669
The result is: 0.014945 N/mm²

About ftH2O (4°C)

The fth2o (4°c) (ftH2O) is a unit of pressure and stress. One fth2o (4°c) equals 2989.0669 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: pressure calculations, engineering and science, education.

About Newton/sq mm

The newton/sq mm (N/mm²) is a unit of pressure and stress. One newton/sq mm equals 1.000000 × 10^+6 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: pressure calculations, engineering and science, education.

Frequently Asked Questions

How many Newton/sq mm are in 1 ftH2O (4°C)?

There are exactly 0.0029890669 Newton/sq mm in 1 ftH2O (4°C). This means the conversion factor from ftH2O (4°C) to Newton/sq mm is 0.0029890669.

What is the formula to convert ftH2O (4°C) to Newton/sq mm?

The formula to convert ftH2O (4°C) to Newton/sq mm is: N/mm² = ftH2O × 0.0029890669. For example, to convert 10 ftH2O (4°C) to Newton/sq mm, you would multiply 10 by 0.0029890669.

What is a ftH2O (4°C)?