Power Levels
Dragonball Z Series

Saiyan Saga
Battle Against Radditz
Radditz: 1,200
Farmer: Less then 1
Farmer (with shotgun): 5
Piccolo: 408
Piccolo (Without weighted down clothes): 450
Piccolo (Special Beam Cannon) 1st Try: 1,330
Piccolo (Special Beam Cannon) 2nd Try: 1,440
Goku: 416
Goku (Without weighted down clothes): 456
Gohan: 10
Gohon (Angry) 1,305
Turtle: 0.001

Battle Against Nappa and Vegeta
Yamcha: 1,065
Krillin: 1,673
Tienshinhan: 1834 (Tein is his nick name)
Piccolo: 2,500
Piccolo (when most powered up): 3,800
Gohan: 1,368
Gohan (Angry): 3,240
Goku: 5,000 (normal)
9,485 powered up
12,000 kaioken x1
16,000 kaioken x2
24,000 kaioken x3
45,000 kaioken x4 w/ Kamahameha
Nappa: 4,185
Vegeta: 18,000
Vegeta: Monkey Form 180,000
Krillin (after being healed with sensu beans) 1,400
Gohan (after being healed with sensu beans) 1,763
Gohan (super angry again) 10,000

Namic Saga
Krillin (hiding power): 304
Gohan (hiding power): 270
Krillin: 1,450
Gohan: 1,800
Warrior 1: 1,427
Warrior 2: 1,590
Krillin (after Guru power up): 13,000
Gohan (after Guru power up): 22,000
Vegeta (when first arrived on namic) 24,586 [after being in healing tank]
Kui: 18,000
Dudoria: 21,000
Vegeta (after battle against kui and Dudoria) 32,000
Zarbon: 22,000
Zarbon (transformed): 26,000
Vegeta (After battle against zarbon) 45,000

Ginyu Force Saga
Guldo: 500 - 600
Krillin: 13,297
Gohon: 22,456
Vegeta: 45,000
Jeice: 50,000
Burter: 51,000
Recoome: 43,000
Captin Ginyu: 120,000
Captin Ginyu (in Goku's body not sure how to change up): 32,000
Captin Ginyu (in Goku's body after figuring out how to charge up): 162,000
Goku (in Ginyu's body not sure how to charge up): 1,000
Goku (in Gunyu's body figuring out how to charge up): 100,000 - 120,000
Vegeta (after Ginyu force): 250,000
Goku (not fully charged up) 180,000
Goku: 550,000

Freeza Saga
Vegeta: 550,000
Krillin: 90,000 (after Ginyu battle)
Gohon 120,000 (after Ginyu battle)
Gohon (really mad): 940,000
Freeza (form 1): 530,000
Freeza (form 2): 1,000,000
Freeza (form 3): 3,434,000
Freeza (form 4): 5,967,,000
Freeza (form 5) 10,300,000
Piccolo (when merged with Nail): 852,000
Piccolo (after a really long time battling freeza) 2,300,000
Goku (after being in healing tank): 1,000,000
Goku (max power) 5,000,000
SS Goku: 11,905,070

Garlic Jr. Saga
Piccolo (unfused with nail and after training on Earth): 1,800,000
Gohon (after battle against freeza): 300,000
Gohon (angry) 512,000
Mr. Popo: 512
Krillin (after battle against freeza): 216,000
Yamcha (after King Ki Training): 170,000
Chichi (after being infected by blackwater mist): 200,000
Spice Boys (all adverged together): 500,000
Kameson: 415,000 (nickname kame)
Evil Demons: 656,000 (guardiens from the past)
Garlic Jr. 612,000
Garlic Jr. (charged up with star's power): 1,000,000
Garlic Jr. (transformed): 2,500,000

Trunks Saga
King Cold: 30,000,000
Frieza Bot: 25,000,000
SS Trunks: 35,000,000

Android Saga
SS Goku: 25,000,000
SS Trunks: 20,000,000
SS Vegeta: 27,000,000
Piccolo: 8,000,000
Gohan: 5,000,000
Krillin: 510,345
Tien: 410,437
Yamcha: 397,456
Android 16: 40,000,000
Android 17: 35,000,000
Android 18: 35,000,000
Android 19: 10,000,000
Android 20: 5,000,000
Piccolo (after merging with Kami): 40,000,000
Cell (after absorbing humans): 45,000,000
Cell (after absorbing Android 17): 65,000,000
SS Vegeta (after room of spirit and time):
80,000,000
SS Trunks: 130,000,000
Perfect Cell : 125,000,000

Cell Saga
Piccolo: 55,000,000
Dende: 20,000 (no real reason in knowing his power level)
Krillin: 710,345
Tien: 510,437
Yamcha: 497,456
SS Vegeta: 100,000,000
SS Trunks: 105,000,000
SS Gohan: 130,000,000
SS Goku: 120,000,000
SS 2 Gohan: 325,000,000 (mad Gohan)
Perfect Cell : 125,000,000
Perfect Cell (power up to max): 300,000,001