Interest on 1,000 at one percent, per day

Interest by day on £1,000 starting at 1%

Interest Per day 
Percentage 1%
Amount 1,000

One percent of 1,000
1% of 1,000 is 10.00

Days 
Interest for day is amount

One day 
10.00 x1 day is 10.00 

One week 
10.00 x7 days is 70.00 

One month
10.00 x28 days is 280
10.00 x30 days is 300
10.00 x31 days is 310

One year 
10.00 x365 days is 3,650 
10.00 x366 days is 3,660