JISA Calculator

Use our JISA calculator to show your children how much their money could be worth when they turn 18 if they invest it in a stocks and shares ISA rather than spend it.

Initial JISA Contribution

Expected Annual Returns

7 % a year

Monthly JISA Contribution

Years Till 18

Child invested for 18 years

Final JISA Value

This is how much the child will be able to withdraw at 18.

JISA Contributions

This is how much has been paid into a child's JISA.

JISA Returns

This is the profits generated from the JISA over the years.

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It’s important to remember that investments can go up as well as down so past performance is no indication of future performance.