Math

Direct Variation Calculator

Find k or a missing value in y = kx.

Free to use — no sign-up or login.

k

y₂

This free Direct Variation Calculator covers Find k or a missing value in y = kx.

Direct variation is a constant ratio y/x. Related math tools sit beside How it works, with no account required.

Using the Direct Variation Calculator

Find k or a missing value in y = kx. Typical inputs are x, y and x₂ (optional, 0 to skip). How it works beside the form states the identity the Direct Variation Calculator applies.

FAQ

How do I use the Direct Variation Calculator?

Open the Direct Variation Calculator, fill x, y and x₂ (optional, 0 to skip), and read the result. Direct variation is a constant ratio y/x.

What formula does the Direct Variation Calculator use?

The Direct Variation Calculator uses the identity in How it works. In words: Direct variation is a constant ratio y/x.