Valuation, SAFEs, dilution & tranching

In this lesson

how to set a valuation you can actually raise at, how much to raise, why you almost always use a SAFE, and the tranching lever most first-time founders don't know exists.

Why this matters

Setting a valuation isn't a science. It's an artistic triangulation, and getting it wrong in either direction costs you. Too high, and you turn off valuation-sensitive investors, then look like you failed when you're forced to lower it. Too low, and you hand away ownership you can never get back. The goal is to start at a number you can credibly defend, then let demand push it up.

The three inputs

A valuation triangulates:

How much capital you need to hit your next set of milestones.
Investors' appetite for what you're building.
How much you've de-risked. The more proof you have, the more confidence they have, and the higher they'll go.

Start with how much to raise

Work backwards from the milestones required to unlock your next round. A rough formula for runway:

How long you think it'll take to hit those milestones, plus
A cushion sized to your uncertainty, plus
A buffer of 3 to 5 months for running the next raise itself.

Most founders aim for 18 to 24 months of runway.

Turn the raise into a valuation

A common rule of thumb: divide the capital you need by 0.2 to 0.25 to get your lowest target post-money valuation. The market has informally standardized roughly 20 to 25% dilution per round, which also helps you forecast how much ownership you'll keep across future rounds.

So if you need $2.5M, you're likely raising at a $12.5M post-money valuation or higher, usually on a SAFE.

Setting that number well is deceptively dangerous. Price too high and you can kill the round you're raising, or quietly kill the one after it. How to price without doing that, which percentile band to aim for, and how to move the number during your raise, is important enough that it's the whole next lesson.

Factors that raise investors' valuation tolerance include founder pedigree and experience, market tailwinds, product novelty, customer traction, and how hot the sector is.

Tranching, the lever most founders miss

You can tranche valuations on a SAFE. Take your first check at, say, a $10M post-money cap. Once $1M is committed, raise the cap to $15M and take another $1M there, and so on. This does two things:

It incentivizes investors to move fast to get in at the lower cap, and
It reduces your dilution with each additional chunk.

It won't make you look bad. Investors are adults and won't be offended if you navigate it thoughtfully. Just be transparent about how much you've raised and at what caps when they ask. Push the tranches too high or too fast, though, and investors get annoyed and walk.

Key takeaways

Valuation is roughly capital needed divided by 0.2 to 0.25, then let demand push it up.
Give yourself 18 to 24 months of runway, including a buffer to run the raise.
SAFEs let you tranche, rewarding speed and cutting dilution, as long as you stay transparent.