Japan Mortgage Calculator

Calculate your mortgage payments for properties in Japan with ultra-low interest rates and Flat 35 options

Loan Details
Enter your mortgage information to get accurate calculations

¥300,000

20.0% of home price (¥60,000)

Additional Costs
Monthly expenses beyond mortgage

¥3,000

¥1,200

Required if down payment < 20% (¥0)

¥0

Extra Payments
Pay off your mortgage faster

Monthly Payment

¥1,517

Principal & Interest

Total Monthly

¥1,867

Including all costs

Total Interest

¥306,107

Over life of loan

Total Cost

¥546,107

Principal + Interest

Payment Breakdown

Total Cost

¥546,107
Over 30 years

Principal

¥240,000
43.9% of total

Interest

¥306,107
56.1% of total

Payment Breakdown

Principal43.9%
¥240,000
Interest56.1%
¥306,107
Interest vs Principal Ratio
You'll pay 56% in interest
That's ¥66,107 more than the original loan amount
Amortization Schedule
See how your loan balance decreases over time
YearPaymentPrincipalInterestBalance
1¥1,517¥217¥1,300¥239,783
1¥1,517¥230¥1,287¥237,317
2¥1,517¥246¥1,271¥234,455
3¥1,517¥262¥1,255¥231,401
4¥1,517¥280¥1,237¥228,143
5¥1,517¥298¥1,219¥224,666
6¥1,517¥318¥1,199¥220,957
7¥1,517¥340¥1,177¥216,999
8¥1,517¥362¥1,155¥212,776
9¥1,517¥387¥1,130¥208,270
10¥1,517¥413¥1,104¥203,463
11¥1,517¥440¥1,077¥198,333
12¥1,517¥470¥1,047¥192,860
13¥1,517¥501¥1,016¥187,021
14¥1,517¥535¥982¥180,790
15¥1,517¥571¥946¥174,142
16¥1,517¥609¥908¥167,049
17¥1,517¥650¥867¥159,481
18¥1,517¥693¥824¥151,405
19¥1,517¥740¥777¥142,790
20¥1,517¥789¥728¥133,597
21¥1,517¥842¥675¥123,788
22¥1,517¥898¥619¥113,323
23¥1,517¥958¥559¥102,156
24¥1,517¥1,023¥494¥90,242
25¥1,517¥1,091¥426¥77,530
26¥1,517¥1,164¥353¥63,967
27¥1,517¥1,242¥275¥49,495
28¥1,517¥1,325¥192¥34,054
29¥1,517¥1,414¥103¥17,579
30¥1,517¥1,509¥8¥0

Japan Mortgage Calculator Guide

Our comprehensive Japan mortgage calculator is designed specifically for the Japanese property market. Whether you're buying in Tokyo, Osaka, or other major cities, our calculator accounts for Japan's unique features including ultra-low interest rates, Flat 35 programs, and long repayment periods up to 50 years.

Japan Mortgage Features

Flat 35 Program:Government-backed fixed-rate mortgages for up to 35 years.
Ultra-Low Rates:Interest rates as low as 0.3-1.5% for variable rate loans.
Long Repayment Periods:35-50 year mortgages available for lower monthly payments.
High LTV Ratios:Loan-to-value ratios up to 100% available for qualified buyers.
Registration Tax:Calculate registration tax (登録免許税) and stamp duty (印紙税).
Life Insurance:団体信用生命保険 (group credit life insurance) options included.

Japan Mortgage Market Overview

Japan's mortgage market offers some of the world's lowest interest rates, often below 1%. The government-backed Flat 35 program provides stable fixed rates for the entire loan period. Japanese banks also offer ultra-long 50-year mortgages, allowing buyers to minimize monthly payments. Our calculator helps you understand the true cost including registration taxes, fire insurance, and earthquake-resistant property requirements.