Conventional Loan Calculator

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This conventional loan calculator estimates your monthly payment if you use a fixed-rate conventional mortgage to buy a house. For example, if you put 20% down on a $280,000 house, with a conventional loan term of 30 years at a 4% interest, your estimated monthly principal and interest will be $1,069.41 per month.

Calculate your conventional loan payment

What is a conventional loan?

A conventional loan is a mortgage that conforms to certain loan limits and underwriting guidelines. There are several types of conventional loans, but the most common is a fixed-rate mortgage that does not exceed $485,350, the current conforming loan limit set by the Federal Housing Finance Agency.

Mortgage loans from our partners

NBKC - PURCHASE logo
Check Rate

on NBKC

NBKC

5.0

NerdWallet rating 
NBKC - PURCHASE logo

5.0

NerdWallet rating 
Min. credit score 
620

Min. down payment 
0%

Check Rate

on NBKC

Rocket Mortgage - PURCHASE logo
Check Rate

on Rocket Mortgage

Rocket Mortgage

5.0

NerdWallet rating 
Rocket Mortgage - PURCHASE logo

5.0

NerdWallet rating 
Min. credit score 
580

Min. down payment 
3.5%

Check Rate

on Rocket Mortgage

Better - PURCHASE logo
Check Rate

on Better

Better

4.5

NerdWallet rating 
Better - PURCHASE logo

4.5

NerdWallet rating 
Min. credit score 
620

Min. down payment 
3%

Check Rate

on Better

Tomo - PURCHASE logo
Check Rate

on Tomo

Tomo

4.0

NerdWallet rating 
Tomo - PURCHASE logo

4.0

NerdWallet rating 
Min. credit score 
580

Min. down payment 

3%

Check Rate

on Tomo

Guaranteed Rate - PURCHASE logo
Check Rate

on Guaranteed Rate

Guaranteed Rate

5.0

NerdWallet rating 
Guaranteed Rate - PURCHASE logo

5.0

NerdWallet rating 
Min. credit score 
620

Min. down payment 
3%

Check Rate

on Guaranteed Rate

Mortgage loans from our partners

NBKC - PURCHASE logo
Check Rate

on NBKC

NBKC

5.0

NerdWallet rating 
NBKC - PURCHASE logo

5.0

NerdWallet rating 
Min. credit score 
620

Min. down payment 
0%

Check Rate

on NBKC

Rocket Mortgage - PURCHASE logo
Check Rate

on Rocket Mortgage

Rocket Mortgage

5.0

NerdWallet rating 
Rocket Mortgage - PURCHASE logo

5.0

NerdWallet rating 
Min. credit score 
580

Min. down payment 
3.5%

Check Rate

on Rocket Mortgage

Better - PURCHASE logo
Check Rate

on Better

Better

4.5

NerdWallet rating 
Better - PURCHASE logo

4.5

NerdWallet rating 
Min. credit score 
620

Min. down payment 
3%

Check Rate

on Better