73 calculators online
News:
2017.01.08
New calculla released ! Please go to calculla.com for the calculla v2. It's better, faster, more beautiful, redone for you in most modern technologies.
2015.08.25
Two cars related tables released today: Tire codes - speed ratings and Tire codes - load index
2015.07.30
2015.04.06
This time 3 new calculators for fractions: Fractions: adding and subtracting, Fractions: 4 operations and Fractions: inverse (reciprocal). Each of them shows all sub-steps needed to compute common denominators, create improper fraction (if needed), reduce the fraction etc.

IP calculator (networks/subnets)
Some typical IPs:
Some typical IPs:

## Host

 IP decimal (many formats) acceptable formats:255.255.255.0255 255 255 0255:255:255:0255,255,255,0 IP hex (many formats) acceptable formats:ff.ff.ff.00ff ff ff 00ff:ff:ff:00ff,ff,ff,000xffffff00ffffff00 IP integer (unsigned int) IP class E (240 - 255) reserved

## Network

 network class A B C   no class first octet legal values 0 - 255 network bits 0 mask bits (net + subnet) 0123456789101112131415161718192021222324252627282930 subnet bits 0123456789101112131415161718192021222324252627282930 network mask 0.0.0.0128.0.0.0192.0.0.0224.0.0.0240.0.0.0248.0.0.0252.0.0.0254.0.0.0255.0.0.0255.128.0.0255.192.0.0255.224.0.0255.240.0.0255.248.0.0255.252.0.0255.254.0.0255.255.0.0255.255.128.0255.255.192.0255.255.224.0255.255.240.0255.255.248.0255.255.252.0255.255.254.0255.255.255.0255.255.255.128255.255.255.192255.255.255.224255.255.255.240255.255.255.248255.255.255.252 host mask (wildcard) 255.255.255.255127.255.255.25563.255.255.25531.255.255.25515.255.255.2557.255.255.2553.255.255.2551.255.255.2550.255.255.2550.127.255.2550.63.255.2550.31.255.2550.15.255.2550.7.255.2550.3.255.2550.1.255.2550.0.255.2550.0.127.2550.0.63.2550.0.31.2550.0.15.2550.0.7.2550.0.3.2550.0.1.2550.0.0.2550.0.0.1270.0.0.630.0.0.310.0.0.150.0.0.70.0.0.3 maximum subnets 1248163264128256512102420484096819216384327686553613107226214452428810485762097152419430483886081677721633554432671088641342177282684354565368709121073741824 hosts per subnet 4294967294214748364610737418225368709102684354541342177266710886233554430167772148388606419430220971501048574524286262142131070655343276616382819040942046102251025412662301462