Down Payment Calculator

Compare down payment scenarios side by side to see how each one changes your loan amount, monthly payment, and mortgage insurance.

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Understanding the Down Payment Calculator

A down payment calculator is a valuable tool that helps prospective homebuyers determine how much money they need to pay upfront when purchasing a property. This calculator allows you to estimate your ideal down payment amount based on the home's purchase price, helping you plan your finances more effectively and understand how different down payment amounts affect your mortgage terms.

When buying a home in Arizona, determining the right down payment amount is crucial for your overall financial strategy. A larger down payment typically results in lower monthly payments, potentially better interest rates, and immediate equity in your new home. Our Down Payment Calculator helps you visualize these scenarios so you can make an informed decision about your home purchase.

Budget Planning
Calculate exactly how much cash you'll need to have available before applying for a mortgage loan
Payment Comparison
Evaluate how different down payment percentages affect your monthly mortgage payments and total loan costs
Mortgage Insurance Assessment
Determine whether you'll need to pay mortgage insurance based on your down payment percentage
Loan Term Evaluation
Compare various loan terms to find the optimal solution for your financial situation
Interest Rate Impact
Understand how a larger down payment might help you secure a more favorable interest rate

Down Payment Milestones

Where your 3.00% down payment stands against the key thresholds for a CONVENTIONAL loan.

Min

20%

25%

You: 3.00%

CONVENTIONAL Minimum

3.0%

lowest down payment allowed

20% Down

No PMI

eliminates monthly mortgage insurance on Conventional

25%+ Down

Best Rates

Conventional pricing typically improves at this tier

1Your Down Payment Savings

How much have you saved for your down payment?

Amount Saved ($)

As % of Home Price

0%100%

Monthly Savings Amount ($)

How much you're setting aside per month toward this purchase.

2Property Information

Home Price ($)

$50k$2M

Total purchase price agreed with the seller.

3Financial Profile

Annual Income ($)

$0$500k

Tip: click into the field and use the ↑/↓ arrow keys to adjust by $1,000.

Monthly Debt Payments ($)

$0$5k

Excludes your future housing payment.

Credit Score

(Excellent)

600850

4Loan Details

Loan Type

Minimum down payment: 3% for qualified buyers. 20% down avoids monthly PMI.

Interest Rate (%)

2%12%

Loan Term (Years)

30-year term · 360 monthly payments

5Additional Costs

Property Tax Rate (%)

Default for this home price: 0.35% ($1,756/yr)

Annual Home Insurance ($)

Default for this home price: $1,369/yr

Monthly HOA Fees ($)

Your Results

Initial Costs

Required Savings$18,777

Down Payment$15,000 (3.00%)

Estimated Closing Costs$3,777

Loan Details

Total Loan Amount$485,000

Interest Rate6.500%

Loan Term30 years

Loan-to-Value (LTV)97.00%

Monthly Payments

Principal & Interest$3,066

Property Tax$146

Insurance$114

HOA$0

PMI$121

Total Monthly Payment$3,447

Affordability Metrics

Housing Cost Ratio (Front-End)43.54% (limit 40%)

0%40%60%

Debt-to-Income Ratio (Back-End)48.60% (limit 48%)

0%48%65%

Down Payment Scenarios Comparison

Down %	Down Payment ($)	Loan Amount ($)	Monthly Payment ($)
3.00%	$15,000	$485,000	$3,447
5.00%	$25,000	$475,000	$3,338
10.00%	$50,000	$450,000	$3,161
15.00%	$75,000	$425,000	$2,982
20.00%	$100,000	$400,000	$2,789
25.00%	$125,000	$375,000	$2,631

Monthly Payment Distribution

Principal & Interest89.0%

Property Tax4.2%

Insurance3.3%

PMI3.5%

This calculator is provided for informational purposes only and should not be considered financial advice. The calculations are estimates based on the information you provide and may not reflect your actual down payment requirements. Results are intended as a guide to help with your home buying planning.

Recommendations & Key Insights

Financial Analysis

Your principal & interest makes up the largest share of your monthly payment at 88.9% ($3,066/mo) of your $3,447 total.
Housing Cost Ratio is 43.54% against a 40% guideline (above guideline).
Debt-to-Income Ratio is 48.60% against a 48% guideline (borderline).
A 20% down payment on this home would be $100,000 ($103,777 including estimated closing costs) — you're currently $88,777 short of that.
At your current savings rate, you're 178 months away from a 20% down payment.
Conventional loans typically see their best interest rate pricing at 25% down or more — worth asking your loan officer how much rate improvement that could mean for you.

Risk Assessment

PMI of $121/mo is included in your payment and should be budgeted as an ongoing cost.
Your affordability ratios are outside standard guidelines — this may affect loan approval or your comfortable budget.
Annual property taxes of $1,756 should be budgeted for annually.
Annual homeowners insurance of $1,369 should be reserved for as well.

Next Steps

Based on your scenario, here's what we'd suggest next:

Review your current monthly budget and savings reserves.
Get a verified pre-approval to lock in accurate rates for your scenario.
Ask about down payment assistance programs — increasing your down payment to 20% would eliminate your $121/mo PMI.
Contact a Mortgage Brothers loan officer to review your options and confirm eligibility.

Calculate Your Perfect Down Payment Today

Unsure about how much to put down on your Arizona home? Our down payment calculator helps you find the optimal balance between upfront costs and monthly payments. Get personalized recommendations based on your financial situation.

Get Your Free Down Payment Estimate

Essential Mortgage Tools for Arizona Homebuyers

Take advantage of our complete suite of mortgage calculators designed to simplify your home buying journey in Arizona. Each specialized tool helps you understand different aspects of the mortgage process, from estimating monthly payments to calculating closing costs. The Down Payment Calculator is just one of many resources we offer to help you make informed decisions about your home purchase.

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Calculates payments for FHA loans, including mortgage insurance
Ideal for first-time homebuyers considering FHA financing

VA Loan Calculator

Estimates payments for VA loans, factoring in the funding fee
Great for veterans and active-duty military personnel