Name Date
401(k) worksheet
Grades 9–11
Calcapedia Solve each problem and show your work. Round answers to 2 decimal places where needed.
- 1.
Problem 1. - Current age: 32 years
- Retirement age: 75 years
- Current 401(k) balance: $28,000
- Annual salary: $54,000
- Your contribution: 7% of salary
- Employer match: 34% of what you put in
- Match applies up to: 6% of salary
- Yearly raise: 4%
- Yearly investment return: 7%
- Employee contribution limit (2026): $22,000
- Catch-up allowance at 50+ (2026): $6,000
- Inflation: 2.1%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 75
Answer
- 2.
Problem 2. - Current age: 34 years
- Retirement age: 90 years
- Current 401(k) balance: $29,000
- Annual salary: $85,000
- Your contribution: 9% of salary
- Employer match: 62% of what you put in
- Match applies up to: 5% of salary
- Yearly raise: 3%
- Yearly investment return: 7%
- Employee contribution limit (2026): $24,000
- Catch-up allowance at 50+ (2026): $8,000
- Inflation: 1.6%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 90
Answer
- 3.
Problem 3. - Current age: 32 years
- Retirement age: 74 years
- Current 401(k) balance: $22,500
- Annual salary: $65,000
- Your contribution: 9% of salary
- Employer match: 44% of what you put in
- Match applies up to: 7% of salary
- Yearly raise: 3%
- Yearly investment return: 5%
- Employee contribution limit (2026): $24,000
- Catch-up allowance at 50+ (2026): $7,200
- Inflation: 2.4%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 74
Answer
- 4.
Problem 4. - Current age: 36 years
- Retirement age: 50 years
- Current 401(k) balance: $20,000
- Annual salary: $65,000
- Your contribution: 8% of salary
- Employer match: 38% of what you put in
- Match applies up to: 5% of salary
- Yearly raise: 3%
- Yearly investment return: 5%
- Employee contribution limit (2026): $26,000
- Catch-up allowance at 50+ (2026): $9,800
- Inflation: 2.4%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 50
Answer
- 5.
Problem 5. - Current age: 40 years
- Retirement age: 50 years
- Current 401(k) balance: $24,000
- Annual salary: $45,000
- Your contribution: 10% of salary
- Employer match: 55% of what you put in
- Match applies up to: 6% of salary
- Yearly raise: 2%
- Yearly investment return: 5%
- Employee contribution limit (2026): $30,000
- Catch-up allowance at 50+ (2026): $7,200
- Inflation: 2.8%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 50
Answer
- 6.
Problem 6. - Current age: 45 years
- Retirement age: 66 years
- Current 401(k) balance: $27,500
- Annual salary: $66,000
- Your contribution: 7% of salary
- Employer match: 60% of what you put in
- Match applies up to: 4% of salary
- Yearly raise: 3%
- Yearly investment return: 6%
- Employee contribution limit (2026): $32,000
- Catch-up allowance at 50+ (2026): $8,750
- Inflation: 3.2%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 66
Answer
- 7.
Problem 7. - Current age: 35 years
- Retirement age: 72 years
- Current 401(k) balance: $21,000
- Annual salary: $72,500
- Your contribution: 8% of salary
- Employer match: 46% of what you put in
- Match applies up to: 8% of salary
- Yearly raise: 3%
- Yearly investment return: 7%
- Employee contribution limit (2026): $18,250
- Catch-up allowance at 50+ (2026): $9,000
- Inflation: 3.1%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 72
Answer
- 8.
Problem 8. - Current age: 37 years
- Retirement age: 57 years
- Current 401(k) balance: $25,000
- Annual salary: $52,500
- Your contribution: 7% of salary
- Employer match: 50% of what you put in
- Match applies up to: 4% of salary
- Yearly raise: 4%
- Yearly investment return: 6%
- Employee contribution limit (2026): $27,000
- Catch-up allowance at 50+ (2026): $6,500
- Inflation: 3.2%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 57
Answer
- 9.
Problem 9. - Current age: 42 years
- Retirement age: 85 years
- Current 401(k) balance: $20,000
- Annual salary: $65,000
- Your contribution: 9% of salary
- Employer match: 55% of what you put in
- Match applies up to: 6% of salary
- Yearly raise: 4%
- Yearly investment return: 5%
- Employee contribution limit (2026): $26,000
- Catch-up allowance at 50+ (2026): $9,000
- Inflation: 2.4%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 85
Answer
- 10.
Problem 10. - Current age: 40 years
- Retirement age: 48 years
- Current 401(k) balance: $18,000
- Annual salary: $66,000
- Your contribution: 7% of salary
- Employer match: 55% of what you put in
- Match applies up to: 6% of salary
- Yearly raise: 4%
- Yearly investment return: 9%
- Employee contribution limit (2026): $26,000
- Catch-up allowance at 50+ (2026): $8,500
- Inflation: 3.2%
- Yearly withdrawal in retirement: 4% of balance
Find: Balance at age 48
Answer
Answer key: 401(k) worksheet
Calcapedia 1. Balance at age 75: $2,619,866.75
Count how many years you have to save before you retire
Find what you put in the first year: 7% of your salary
Add your employer's match: 34% of what you put in, counting only up to 6% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 43 years, with your salary rising 4% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
2. Balance at age 90: $11,273,731.90
Count how many years you have to save before you retire
Find what you put in the first year: 9% of your salary
Add your employer's match: 62% of what you put in, counting only up to 5% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 56 years, with your salary rising 3% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
3. Balance at age 74: $1,863,165.79
Count how many years you have to save before you retire
Find what you put in the first year: 9% of your salary
Add your employer's match: 44% of what you put in, counting only up to 7% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 42 years, with your salary rising 3% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
4. Balance at age 50: $189,965.88
Count how many years you have to save before you retire
Find what you put in the first year: 8% of your salary
Add your employer's match: 38% of what you put in, counting only up to 5% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 14 years, with your salary rising 3% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
5. Balance at age 50: $120,868.56
Count how many years you have to save before you retire
Find what you put in the first year: 10% of your salary
Add your employer's match: 55% of what you put in, counting only up to 6% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 10 years, with your salary rising 2% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
6. Balance at age 66: $411,808.83
Count how many years you have to save before you retire
Find what you put in the first year: 7% of your salary
Add your employer's match: 60% of what you put in, counting only up to 4% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 21 years, with your salary rising 3% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
7. Balance at age 72: $2,212,463.45
Count how many years you have to save before you retire
Find what you put in the first year: 8% of your salary
Add your employer's match: 46% of what you put in, counting only up to 8% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 37 years, with your salary rising 3% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
8. Balance at age 57: $320,211.30
Count how many years you have to save before you retire
Find what you put in the first year: 7% of your salary
Add your employer's match: 50% of what you put in, counting only up to 4% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 20 years, with your salary rising 4% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
9. Balance at age 85: $2,360,956.09
Count how many years you have to save before you retire
Find what you put in the first year: 9% of your salary
Add your employer's match: 55% of what you put in, counting only up to 6% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 43 years, with your salary rising 4% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount
10. Balance at age 48: $120,704.30
Count how many years you have to save before you retire
Find what you put in the first year: 7% of your salary
Add your employer's match: 55% of what you put in, counting only up to 6% of your salary
Grow the balance by the yearly return, then add this year's money from you and your employer
Repeat that for 8 years, with your salary rising 4% a year
See where the money came from: your starting balance, what you put in, the match and investment growth
Find what it's worth in today's dollars by dividing out the price rises over the same years
Estimate your first-year retirement income by taking out 4% of the balance in today's dollars
Divide that yearly income by 12 to see it as a monthly amount