The best Spring Rate Conversion Chart – Convert KG/mm to LBS/in EASY !

AIM9GT spring-rates-ibs-to-kg The best Spring Rate Conversion Chart – Convert KG/mm to LBS/in EASY ! BLOG  spring rates my car spring rates kg to ibs kg spring rates ibs to kg how to corner balance my car corner balance convert kg to ibs
The best Spring Rate Conversion Chart – Convert KG/mm to LBS/in EASY !

Many of our enthusiast are searching to buy Coilovers or Springs for their new or existing project car . a HUGE HUGE problem is that many manufacturers show their spring rates ONLY as kg/mm and others show them as lbs/in. We put together a quick and easy chart to use for reference when purchasing coil overs and comparing from your factory OEM suspension.

About 1 KG/mm is equal to 55.996 LBS/in. A good way to remember is 1 KG/mm = 56 LBS/in.

Here’s a reference charts:

700 lb/in = 12.5 kg/mm
650 lb/in = 11.6 kg/mm
600 lb/in = 10.7 kg/mm
550 lb/in = 9.8 kg/mm
500 lb/in = 8.9 kg/mm
450 lb/in = 8 kg/mm
400 lb/in = 7.1 kg/mm
350 lb/in = 6.2 kg/mm
300 lb/in = 5.3 kg/mm
250 lb/in = 4.5 kg/mm

kg/mm to lbs/in
—————————–
16 = 896
15 = 840
14 = 784
13 = 728
12 = 672
11 = 616
10 = 560
9.0 = 504
8.5 = 476
8.0 = 448
7.5 = 420
7.0 = 392
6.5 = 364
6.0 = 336
5.5 = 308
5.0 = 280
4.5 = 252
4.0 = 224
3.0 = 168
2.0 = 112