These are some of the power levels of the characters in the series.
Dragon Ball Z
The Arrival of Raditz
Gokou (with weighted clothing) - 330
Gokou (without weighted clothing) - 600
Gokou (Kamehameha) - 1,100
Piccolo (with weighted clothing) - 332
Piccolo (without weighted clothing) - 408
Piccolo (Makkankousappo [Beam Cannon]) - 1,330
Piccolo (Special Makkankousappo [Special Beam Cannon]) - 1,440
Gohan - 710
Gohan - 1,130 (angry)
Raditz - 1,200
Farmer w/ shotgun - 5
Igame (Kamesenin's Turtle - 0.001
Kuririn - 206
Kamesenin - 139
Tien - 250
Yamcha - 170
Choutzu - 145
The Arrival of Vegeta
Piccolo (Orphan)- 150
Piccolo - 2,000 to 3,400
Gohan - 1,900
Gohan (Masenko) - 3,000
Gohan (healed) - 2,800
Gohan (Oozaru) - 80,000
Tien - 1,600
Tien Mega Energy Blast - 2,900
Yamcha - 1,200
Kuririn - 1,350
Kuririn Mega Energy Blast - 2,000 then split into 5 1,400 blasts
Chao-zu - 1,150
King Yama - 2,000
King Kai - 2,300 to 3,000
Warriors - 900
King Moeye - 900
Yedi - 2,500
Nappa - 4750
Vegeta - 16,000
Vegeta powered up - 18,000
Vegeta Gamit Gun - 21,500
Vegeta Oozaru - 180,000
Gokou - 5,000
Gokou powered up - 10,000
Gokou Kaioken - 13,000
Kaioken x2 - 16,000
Kaioken x3 - 21,500
Kaioken x3 + Kamehameha - 25,000
Kaioken x4 + Kamehameha - 29,000
Gokou healed after Vegeta Leaves - 15,000
Freeza Series
Vegeta - 22,000
Vegeta healed after Zarbon battle - 28,000
Vegeta healed after Racoom battle - 200,000
Vegeta after Dendi healing - About 950,000
Gohan - 19,000
Gohan (after Saichirou power-up) - 30,000
Gohan healed after Racoom battle - 23,000
Kuririn - 12,000
Kuririn (after Saichirou power-up) 30,000
Cui - 18,000
Didoria - 22,000
Zarbon - 23,000
Zarbon transformed - 26,000
Guldo - 16,000
Recoom - 60,000
Burter - 70,000
Jayce - 65,000
Jayce Crusher Ball - 85,000
Captain Ginyu - 120,000
Gokou (hiding his power) - 1,000
Gokou charged up - 180,000
Gokou (without weighted clothing) - 200,000
Gokou (after healing tank) - 870,000
Gokou Genki-Dama - 1,000,000
Gokou Super Saiyan - 1,500,000
Piccolo - 400,000
Piccolo (without weighted clothing) - 440,000
Piccolo (after merge with Nail) - 800,000
Nail - 45,000
Nail charged up for Frieza battle - 200,000
Frieza - 500,000
Frieza form 2 - 750,000
Frieza form 3 - 870,000
Frieza form 4 - 1,250,000