Unit Weight Conversion Chart

Printable unit weight conversion tables for the most-used conversions. Values are exact or rounded to 6 significant figures. Free to print and share with the credit line “Scientific Converters (scientificconverters.com)”.

Download PNG chart Open the Unit Weight Converter (kN/m³, pcf, kgf/m³)

pcf to kilonewton per cubic metre

pcf to kilonewton per cubic metre conversion chart
lbf/ft³	kN/m³
62.4	9.80226
90	14.1379
100	15.7087
110	17.2796
115	18.0651
120	18.8505
125	19.6359
145	22.7777
150	23.5631
490	76.9729

kilonewton per cubic metre to pcf

kilonewton per cubic metre to pcf conversion chart
kN/m³	lbf/ft³
9.81	62.4493
10	63.6588
16	101.854
18	114.586
19	120.952
20	127.318
23	146.415
24	152.781
25	159.147
78.5	499.722

kilonewton per cubic metre to kilogram-force per cubic metre

kilonewton per cubic metre to kilogram-force per cubic metre conversion chart
kN/m³	kgf/m³
9.81	1000.34
10	1019.72
16	1631.55
18	1835.49
19	1937.46
20	2039.43
23	2345.35
24	2447.32
25	2549.29
78.5	8004.77

tonne-force per cubic metre to kilonewton per cubic metre

tonne-force per cubic metre to kilonewton per cubic metre conversion chart
tf/m³	kN/m³
1	9.80665
1.6	15.6906
1.8	17.652
1.9	18.6326
2	19.6133
2.2	21.5746
2.4	23.536
2.5	24.5166
7.85	76.9822
13.6	133.37

Source: Scientific Converters (scientificconverters.com), data version 2026-10-15. Factors from NIST SP 811 and the BIPM SI Brochure. Licence: CC BY 4.0.