This article is from the Diet FAQ, by Claudia McCreary firstname.lastname@example.org with numerous contributions by others.
For those who like tables, here's a table from The Family Fitness Handbook
by Bob Glover and Jack Shepherd, p. 185. These numbers are probably geared
towards those who are just starting to exercise; people who are already fit
may burn calories at much higher rates than those listed here.
Exercise ~Calories Burned/Minute Cross-country skiing 10-15 Running 10-12 Handball/Squash/Racquetball (singles) 8-11 Handball/Squash/Racquetball (doubles) 6- 8 Canoeing/Rowing 7-11 Swimming (crawl stroke) 8-10 Biking 5-10 Jumping rope 7-10 Tennis (singles) 7-10 Tennis (doubles) 5- 7 Ice and roller-skating 5-10 Walking 5- 7 Dancing (rock/disco) 4- 6 Dancing (square, western, polka) 5- 8 Dancing (aerobic class) 5- 8