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Swedish krona to Swiss francs, in your head

One rule, the error band that comes with it, and the point at which it stops being the right rule. Updated from the live rate feed.

THE RULE
divide by 12

Kronor to Swiss francs. Accurate to within 1.7% at today's rate, which means it reads about 1.7% cheaper than the real price — round up, not down.

1 CHF = 11.8 SEK · rate as of 2026-08-04

The ladder

The middle column is what the rule gives you standing in a market. The right column is the real number, so you can see exactly where the shortcut costs you.

Swedish krona Rule of thumbActual
kr5 CHF 0.417 CHF 0.424
kr10 CHF 0.833 CHF 0.848
kr20 CHF 1.67 CHF 1.7
kr50 CHF 4.17 CHF 4.24
kr100 CHF 8.33 CHF 8.48
kr200 CHF 16.67 CHF 16.95
kr500 CHF 41.67 CHF 42.38
kr1,000 CHF 83.33 CHF 84.76
kr2,000 CHF 166.7 CHF 169.5

Going the other way

Useful at the ATM, where you choose an amount in Swiss francs and want to know what lands in your hand.

Swiss francs Swedish krona
CHF 1kr11.8
CHF 5kr58.99
CHF 10kr118
CHF 20kr236
CHF 50kr589.9
CHF 100kr1,180

What catches people out in Sweden

Sweden is close to fully cashless, and many places no longer accept notes at all. The rule is for reading prices, not for counting change.

When this rule stops working

Rules of thumb rot quietly. This one holds while the rate stays roughly between 11.5 and 12.5 SEK to the franc. Outside that band a different divisor becomes the better one to memorise. We regenerate this page from the live rate feed, so the date above tells you how fresh the number is — if you are reading this a long way after August 2026, check it before you rely on it.

Or skip the arithmetic entirely

RoamRate does this conversion with no signal, in one hand, on a number pad built for a thumb. Free for CHF; SEK and 150+ other currencies unlock for $4.99, once.

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