Down Payment Calculator

Calculate how much you need for a home down payment and how long it will take to save.

Home Purchase Details

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Your Savings

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$
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Time to Save

40 mo

3.3 years to save $65,500

Down Payment
$70,000
Total Needed
$80,500

Savings Breakdown

Home Price$350,000
Down Payment (20%)$70,000
Closing Costs$10,500
Total Needed$80,500
Current Savings$15,000
Still Need to Save$65,500

Down Payment Comparison

Down %AmountTotal NeededTime to Save
5%$17,500$28,0009 months
10%$35,000$45,50020 months
15%$52,500$63,00030 months
20%$70,000$80,50040 months
25%$87,500$98,00050 months

Understanding Down Payments

A down payment is the initial cash payment you make when purchasing a home. It represents your equity stake in the property and affects your loan terms, monthly payment, and overall borrowing costs.

Why down payments matter:

  • Lower loan amount: Borrow less, pay less interest
  • Better interest rates: Larger down payments often qualify for lower rates
  • Avoid PMI: 20% down eliminates private mortgage insurance
  • Instant equity: Protection against market downturns
  • Stronger offer: Sellers prefer buyers with larger down payments

Typical down payment amounts:

  • Conventional loans: 5-20% (3% minimum for some programs)
  • FHA loans: 3.5% minimum
  • VA loans: 0% for eligible veterans
  • USDA loans: 0% in eligible rural areas

Down Payment Calculations

Essential formulas for planning your down payment:

Down Payment Formulas

Down Payment = Home Price ร— Down Payment Percentage

Where:

  • Loan Amount= Home Price - Down Payment
  • LTV= Loan-to-Value ratio = (Loan Amount / Home Price) ร— 100
  • Equity= Home Value - Loan Balance

Private Mortgage Insurance (PMI)

What is PMI?

PMI protects the lender if you default on your mortgage. It's required when your down payment is less than 20%.

PMI costs:

  • Typically 0.5% - 1% of loan amount annually
  • $100-$300/month on a $300,000 loan
  • Added to monthly mortgage payment

How to remove PMI:

  • Automatically removed at 78% LTV (loan balance vs. original value)
  • Request removal at 80% LTV with good payment history
  • Refinance when you reach 20% equity
  • Home appreciation may help you reach 20% faster

Example PMI cost:

  • Home price: $400,000
  • Down payment: 10% ($40,000)
  • Loan: $360,000
  • PMI at 0.8%: $240/month
  • Over 5 years until 20% equity: $14,400

How to Use This Calculator

Our down payment calculator helps you plan for home purchase:

  1. Enter Home Price:
    • Target purchase price
    • Or price range you're considering
  2. Choose Down Payment:
    • Percentage (e.g., 20%)
    • Or dollar amount
  3. View Results:
    • Required down payment amount
    • Resulting loan amount
    • Estimated PMI if applicable
    • LTV ratio

Use the calculator to compare different scenarios and find the right balance for your budget.

Down Payment by Loan Type

Conventional Loans:

  • Minimum: 3% (Fannie Mae HomeReady, Freddie Mac Home Possible)
  • Standard: 5-10%
  • Ideal: 20% (avoids PMI)
  • PMI required below 20%

FHA Loans:

  • Minimum: 3.5% with 580+ credit score
  • 10% required with 500-579 credit score
  • MIP (Mortgage Insurance Premium) required for life of loan
  • Good for lower credit scores

VA Loans (Veterans):

  • 0% down payment option
  • No PMI required
  • VA funding fee applies (can be financed)
  • Must be eligible veteran or active military

USDA Loans:

  • 0% down payment in eligible rural areas
  • Income limits apply
  • Guarantee fee required (can be financed)
  • Good option for rural homebuyers

Strategies to Save for Down Payment

Calculate your savings target:

  • Home price target ร— down payment percentage
  • Add 3-5% for closing costs
  • Add moving expenses and initial home costs

Savings strategies:

  • Automate savings: Set up automatic transfers to dedicated account
  • High-yield savings: Earn 4-5% APY while saving
  • Budget cuts: Reduce expenses temporarily to accelerate savings
  • Side income: Extra jobs or selling unused items
  • Windfall allocation: Tax refunds, bonuses, gifts toward down payment

Down payment assistance programs:

  • State and local first-time buyer programs
  • Employer assistance programs
  • FHA down payment assistance
  • Grants for specific professions (teachers, first responders)

Gift funds:

  • Family gifts allowed for most loan types
  • Gift letter required documenting no repayment expected
  • Some loans require minimum borrower contribution

Should You Put 20% Down?

Advantages of 20% down:

  • No PMI saves $100-300+/month
  • Lower monthly payment
  • More equity from day one
  • Often better interest rates
  • Stronger offer in competitive markets

When less than 20% may make sense:

  • Home prices rising faster than you can save
  • Would deplete emergency fund
  • Opportunity cost of tying up cash
  • First-time buyer programs with low rates
  • Strong investment returns elsewhere

Break-even analysis:

Compare PMI cost vs. opportunity cost of larger down payment. If you could earn 7% investing vs. paying 0.8% PMI, the math might favor lower down payment.

Bottom line:

20% down is ideal but not required. The best down payment is one that lets you buy comfortably while maintaining emergency savings and not stretching your budget.

Worked Examples

Standard 20% Down Payment

Problem:

Calculate down payment and loan for a $450,000 home with 20% down.

Solution Steps:

  1. 1Home price: $450,000
  2. 2Down payment percentage: 20%
  3. 3Down payment: $450,000 ร— 0.20 = $90,000
  4. 4Loan amount: $450,000 - $90,000 = $360,000
  5. 5LTV ratio: 80%
  6. 6PMI: Not required (20%+ down)

Result:

Down payment: $90,000. Loan amount: $360,000. No PMI required, saving approximately $200/month.

Low Down Payment with PMI

Problem:

Calculate costs for $350,000 home with 5% down at 0.8% PMI rate.

Solution Steps:

  1. 1Home price: $350,000
  2. 2Down payment: 5% = $17,500
  3. 3Loan amount: $332,500
  4. 4LTV: 95%
  5. 5Annual PMI: $332,500 ร— 0.008 = $2,660
  6. 6Monthly PMI: $222
  7. 7PMI until ~80% LTV (about 7-10 years)

Result:

Down payment: $17,500. Monthly PMI: ~$222. Lower entry but higher monthly cost until equity builds.

Comparing Down Payment Options

Problem:

Compare 10% vs 20% down on $400,000 home. Which is better?

Solution Steps:

  1. 110% down: $40,000 down, $360,000 loan
  2. 2PMI at 0.7%: $210/month for ~8 years = $20,160
  3. 320% down: $80,000 down, $320,000 loan
  4. 4No PMI, $40,000 more cash tied up
  5. 5Monthly payment difference: ~$200 + $210 PMI = $410
  6. 6Opportunity cost of extra $40,000 at 5%: $2,000/year

Result:

20% down saves ~$20,160 in PMI but requires $40,000 more upfront. If you can afford it without draining savings, 20% is usually better.

Tips & Best Practices

  • โœ“Save for closing costs (2-5%) in addition to down payment
  • โœ“Don't deplete your emergency fund for a larger down payment
  • โœ“Research first-time homebuyer programs in your state
  • โœ“Consider FHA if you have lower credit scores
  • โœ“VA loans offer 0% down for eligible veteransโ€”use this benefit
  • โœ“PMI can be worth it to get into a home sooner in rising markets
  • โœ“Gift funds from family can help reach your down payment goal
  • โœ“Use a high-yield savings account while saving for down payment

Frequently Asked Questions

No, 20% is not required. Conventional loans start at 3%, FHA at 3.5%, and VA/USDA offer 0% down. However, less than 20% means paying PMI (typically 0.5-1% of loan annually). 20% is ideal to avoid PMI and get better rates, but many buyers purchase with less.
Private Mortgage Insurance protects the lender if you default. It's required with less than 20% down. You can remove it when you reach 20% equity (request at 80% LTV, automatic at 78%). Refinancing, paying down principal faster, or home appreciation can help you reach 20% sooner.
No, maintain 3-6 months of emergency fund after closing. Also budget for closing costs (2-5%), moving expenses, and initial home costs (repairs, furniture, etc.). A larger down payment isn't worth it if it leaves you financially vulnerable.
Yes, most loan programs allow gift funds from family members. You'll need a gift letter stating no repayment is expected. Some loans require a minimum borrower contribution (e.g., 5% from your own funds for certain conventional loans). FHA allows 100% gift funds for down payment.
Budget 2-5% of the home price for closing costs (loan origination, appraisal, title insurance, taxes, etc.). On a $400,000 home, expect $8,000-$20,000. Some can be negotiated or rolled into the loan. First-time buyer programs may offer closing cost assistance.
Depends on your market and financial situation. If home prices are rising fast and you can afford payments with PMI, buying sooner might make sense. If you can save 20% within 1-2 years and prices are stable, waiting avoids PMI. Also consider rent costs while saving vs. building equity.

Sources & References

Last updated: 2026-01-22