50-40-10 Allowance Split Calculator
How much of every allowance dollar goes to spend, save, and give?
What is the 50-40-10 split?
The 50-40-10 split is a kid-friendly version of the adult "pay yourself first" rule. Half of every allowance goes to the spend jar (immediate fun), 40% to the save jar (toward a specific goal), and 10% to the give jar (charity, gift, or someone in need). Three jars, every payday, no exceptions.
Why three jars instead of two?
The third jar (give) does outsized lifting compared to its 10%. Kids who learn to give as part of the routine grow up with charitable habits. The 10% is small enough to not feel painful but visible enough to add up to something real over a year — at a $10/week allowance, that\'s about $52/year for a kid to direct toward something they care about.
When the percentages should change
Kids saving for a near-term big goal (a new bike, a console) often run a 30-60-10 split for a few months — less spend, more save, until the goal is reached. The opposite works for younger kids (5-7) who need more immediate spend to keep allowance feeling real: 60-30-10 for a year or two, ramping toward 50-40-10 by age 8-9.
Should the split be done in physical cash?
For ages 5-9, yes. Three actual jars on a shelf the kid can see. Watching three stacks of cash grow at different rates is more powerful than any digital balance. By age 10+, a digital split (KidCash, a chore app, a custodial bank account) starts to make sense — but keep at least the spend jar physical so they feel the loss when they spend.
The "give" jar question
Where does the give jar go? Most families let the kid choose: a charity, a school fundraiser, a friend who needs help, a gift. The choice is the lesson — they learn that their resources are theirs to direct, with intention. A useful annual ritual is a "give-jar review" where the kid decides what gets the year\'s accumulated $50-100.