Below are the general dimensions for many common field types.  Links are provided to SAYUSA, Pioneer Mfg.,
and various U.S. associations where you can view and print detailed diagrams for reference.

Soccer Dimensions (click type for detailed diagram)
USYSA Type SAYUSA Type Width (yds.) Length (yds.) Goal Size (ft.)
3v3, 4v4 Candy 20-30 30-40 3x6 to 4x8
6v6 Passer 35-40 55-60 6x12 to 6x18
8v8 Wings 45-50 70-80 7x21
11v11 Striker (10-11 yrs.) 55-60 100-110 8x24
11v11 Kicker (12-13 yrs.) 60-65 100-110 8x24
11v11 Minor (14-15 yrs.) 65-70 110-120 8x24
11v11 Senior (over 16 yrs.) 70 & over 110-120 8x24
 
Football Field Dimensions (click type for detailed diagram)
Field Type Width (yds.) Length (yds.) Hash-mark Distance (ft.) Upright Size (ft.)

High School

53.3 (160 ft.) 120 53'4" between marks 10 ft.high, 23'4" wide

College

53.3 (160 ft.) 120 40' between marks 10 ft. high, 18'6" wide

Professional

53.3 (160 ft.) 120 18'6" between marks 10 ft. high, 18'6" wide
 
Additional Field Links (click for detailed diagram)

Men's Lacrosse

Women's Lacrosse

USA Field Hockey Field Hockey (alt.) Rugby
 
For detailed Rules & Regulations for your sport, browse the links below
OHSAA  IHSAA  KHSAA US Field HockeyLittle League SAY Soccer NCAA Sports NAIA USA Rugby US Youth Soccer US Club Soccer  US Lacrosse