Savings Challenges: Exact Totals, a Challenge Picker and Free Trackers
A savings challenge is a set of small, scheduled deposits that add up to a known total. The rules are what make it work: you know exactly what to put away today, and you can see the total growing. The popular ones are simple arithmetic, so the totals below are exact. Use the picker to set your own amounts, see the full schedule, and download a tracker to tick off each deposit.
The Short Answer
- 52-week challenge: $1 in week 1, $2 in week 2, up to $52 in week 52. Total $1,378.
- 100-envelope challenge: envelopes numbered 1 to 100, deposit each envelope's number in dollars. Total $5,050.
- 365-day penny challenge: 1 cent on day 1, up to $3.65 on day 365. Total $667.95.
- The best one is the one whose biggest deposit you can still afford. Many challenges fail in the final weeks, when the deposits are largest.
- Keep the money in a separate, insured savings account, not in your checking account or a jar at home.
Savings Challenge Picker and Tracker
Choose a challenge and change the amounts. Doubling the 52-week challenge ($2 in week 1, adding $2 a week) saves $2,756; starting at $5 and adding $5 a week saves $6,890. The tracker lists every deposit, and the download opens in any spreadsheet app with a column to mark each one done.
The Challenges Compared
| Challenge | Deposits | Total | Biggest deposit | About per month |
|---|---|---|---|---|
| 52-week ($1 rising by $1) | 52 weekly | $1,378 | $52 | $115 |
| Reverse 52-week ($52 falling to $1) | 52 weekly | $1,378 | $52 (week 1) | $115 |
| 100-envelope ($1 to $100) | 100, often 2 a week | $5,050 | $100 | $421 |
| 365-day penny (1 cent rising by 1 cent) | 365 daily | $667.95 | $3.65 | $56 |
| Flat $20 a week for 52 weeks | 52 weekly | $1,040 | $20 | $87 |
| No-spend challenge | None set | Whatever you do not spend | n/a | n/a |
How Each Challenge Works
The 52-week challenge
Week 1 you save $1, week 2 $2, and so on until $52 in the last week. The total is 1 + 2 + ... + 52 = $1,378. It starts painless, but the last quarter of the year asks for $40 to $52 a week, right when holiday spending peaks. That is where most people quit.
The reverse 52-week challenge
The same deposits in the opposite order: $52 first, $1 last. Same $1,378, but the hard weeks fall in January and February when motivation is highest, and December asks for almost nothing. If you start in the new year, this order is usually the better bet.
The 100-envelope challenge
Number 100 envelopes, shuffle them, and draw one or two at a time; each time, deposit the envelope's number in dollars. The total is 1 + 2 + ... + 100 = $5,050, which is a real emergency fund for many households. It is also the most demanding: averaging two envelopes a week is about $100 a week. Halving it (50 cents per number) still saves $2,525.
The 365-day penny challenge
Save 1 cent on day 1, 2 cents on day 2, up to $3.65 on day 365, for $667.95. The amounts are tiny, so it builds a daily habit with almost no strain. Most banks will not take daily one-cent transfers, so in practice people save into a jar and deposit it weekly, or move the week's total on Sundays.
A flat weekly amount
Not a "challenge" in the viral sense, but it beats all of them for staying power: pick an amount, set an automatic transfer for payday, and stop thinking about it. $20 a week is $1,040 a year; $50 a week is $2,600.
The no-spend challenge
For a week or a month you buy only essentials (bills, groceries, fuel) and move whatever you would have spent on everything else to savings. It has no set total, so it works best paired with a number: decide before you start what you will transfer at the end.
Which One to Pick
- You have never saved regularly: the penny challenge or a flat $10 to $20 a week. Habit first, size later.
- You start in January: the reverse 52-week challenge.
- You need an emergency fund this year: the 100-envelope challenge, if about $100 a week fits your budget, or a flat amount sized with the savings goal calculator.
- Your income is irregular: the 100-envelope challenge, because you choose the envelope: small ones in a slow week, big ones in a good one.
Whatever you pick, check the biggest deposit against your budget before you start. If it does not fit, scale the whole challenge down rather than skipping weeks.
Where to Keep the Money
Put the deposits in a separate savings account you do not use for spending. A high-yield savings account pays interest on the growing balance, and deposits at an FDIC-insured bank are insured up to $250,000 per depositor, per bank, for each ownership category. Cash in a jar earns nothing and is easy to borrow from. If your bank lets you open named sub-accounts or "buckets", give the challenge its own.
Making It Stick
- Automate it. Set up the transfers in your bank app at the start, especially for flat amounts.
- Give it a goal. "Emergency fund" or "summer trip" survives a bad month better than "savings".
- Put it in the budget. Make the challenge a line in your monthly budget so the money is planned, not left over.
- Tick off each deposit. The printed or downloaded tracker is a small thing, but seeing the column fill up is what keeps most people going.
- Missed a week? Do it next week rather than giving up; the total still arrives.
FAQ
How much do you save with the 52-week challenge?
$1,378 if you start at $1 and add $1 each week. Doubling the amounts saves $2,756.
How much is the 100-envelope challenge?
$5,050 in total: the sum of the numbers 1 to 100. At two envelopes a week it takes 50 weeks.
How much does the penny challenge save in a year?
$667.95, from 1 cent on day 1 to $3.65 on day 365.
What is the easiest savings challenge?
The 365-day penny challenge has the smallest deposits; a flat weekly amount set to transfer automatically is the easiest to keep going.
Is there a free savings challenge tracker?
Yes. Use the picker on this page to set your challenge and download the tracker as a spreadsheet (CSV).
Where should I keep the money from a savings challenge?
In a separate savings account, ideally a high-yield one at an FDIC-insured bank, so it earns interest and is not mixed with spending money.
Sources: FDIC, Understanding Deposit Insurance for the insurance limit, retrieved October 30, 2026. Challenge totals and weekly averages are our arithmetic (the sum of each deposit schedule), not from an outside source.
This article is for general information and is not financial advice. Challenge totals are our arithmetic; the FDIC limit is from the FDIC's deposit insurance page (checked 2026-10-30).
