Tax calculator canton of Solothurn 2026
Calculate the cantonal, municipal and federal tax for the canton of Solothurn — with the official 2026schedules and the multipliers of the capital Solothurn.
| Simple cantonal tax (SO schedule) | CHF 8'313.00 |
| Cantonal tax | CHF 8'645.52 |
| Municipal tax Solothurn | CHF 8'894.91 |
| Direct federal tax | CHF 2'684.35 |
| Effective tax rate | 20.2% |
Rank 17 of 26 capitals at this income — CHF 10'216 more than Zug. See the full comparison
Taxes in the canton of Solothurn
Solothurn sits between tax worlds: cheaper than neighbouring Bern, more expensive than Aargau, with which it competes for newcomers from the Zurich and Basel regions. The cantonal schedule is classically progressive; the municipal multipliers spread widely, so within the canton a close look pays off. For commuters towards Basel or Bern, Solothurn is often the compromise between affordable housing costs and a tolerable tax burden.
The key figures 2026
| Schedule system | progressive bracket schedule with base amount |
| Cantonal multiplier | 104.00% |
| Multiplier Solothurn (capital) | 107.00% |
| Cheapest municipality | Kammersrohr (65%) |
| Most expensive municipality | Bolken (145%) |
| Number of municipalities | 104 |
| Rank for CHF 100'000 (single) | 17 of 26 |
Solothurn in comparison
For a taxable income of CHF 100'000 (single), the capital Solothurn costs CHF 20'225 per year. The cheapest capital (Zug, CHF 10'009) is CHF 10'216 below that.
- Canton of Basel-Landschaft: CHF 21'196 (21.2% effective in Liestal)
- Canton of Aargau: CHF 16'491 (16.5% effective in Aarau)
- Canton of Bern: CHF 22'958 (23.0% effective in Bern)
All 26 cantons for your income: see the comparison. Optimise your deductions: pillar 3a calculator. From gross to net salary:salary calculator. Taxed at source:withholding tax in the canton of Solothurn.
What the municipality changes in Solothurn
The cantonal tariff is the same everywhere — the municipal multiplier is not. At CHF 100'000taxable income (single), that means in the canton of Solothurn:
| Municipality | Multiplier | Tax per year |
|---|---|---|
| Kammersrohr (cheapest) | 65% | CHF 16'733 |
| Solothurn (capital) | 107% | CHF 20'225 |
| Bolken (most expensive) | 145% | CHF 23'384 |
Between Kammersrohr and Bolken the gap reaches CHF 6'650 a year on the same income — purely because of the municipality of residence, inside the same canton. Over ten years that is CHF 66'504.
Tax burden by income in Solothurn
Annual tax in Solothurn, cantonal, municipal and federal tax combined, excluding church tax:
| Taxable income | Single | Married |
|---|---|---|
| CHF 50'000 | CHF 6'924 (13.8%) | CHF 3'426 (6.9%) |
| CHF 80'000 | CHF 14'488 (18.1%) | CHF 10'192 (12.7%) |
| CHF 100'000 | CHF 20'225 (20.2%) | CHF 15'252 (15.3%) |
| CHF 150'000 | CHF 36'725 (24.5%) | CHF 29'853 (19.9%) |
| CHF 200'000 | CHF 54'686 (27.3%) | CHF 47'560 (23.8%) |
Income quadruples from CHF 50'000 to CHF 200'000; tax in Solothurn rises from CHF 6'924 to CHF 54'686 — the effective rate from 13.8% to 27.3%. A married couple saves CHF 4'973 in Solothurn at this income.
Frequently asked questions
How high are the taxes in the canton of Solothurn?
For a taxable income of CHF 100'000 (single), you pay in Solothurn about CHF 20'225 per year (cantonal, municipal and federal tax, excluding church tax) — an effective rate of 20.2% and rank 17 of 26 cantonal capitals. For your income, use the calculator above.
Which municipality in the canton of Solothurn has the lowest taxes?
The lowest municipal multiplier is currently Kammersrohr (65%), the highest Bolken (145%) — across 104 municipalities in total. Our calculator uses the capital Solothurn; in another municipality the municipal tax shifts according to the multiplier.
How is the tax in Solothurn made up?
On the simple cantonal tax under the SO schedule (progressive bracket schedule with base amount), the canton applies a multiplier of 104%, the municipality of Solothurn 107%. Added to this is the direct federal tax, under the uniform federal schedule.
Is Solothurn attractive for commuters to Basel?
Often yes: the tax burden is lower than in Basel-Stadt, housing costs too — in return come commuting time and cost. Compare your concrete figures with the calculator above and the cantonal comparison.
Binding information and the official assessment:tax administration of the canton of Solothurn.
Other calculators
- Cantonal tax comparison (26 cantons)
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- Swiss salary calculator
From gross to net salary.
Guides on this topic
- Pillar 3a or 3b: what is the difference — and which suits you?
Restricted or flexible retirement savings? Tax deduction, lock-up, wealth tax and withdrawal compared — and when each pillar makes sense.
- Staggered pillar 3a withdrawal: how to lower the withdrawal tax
With several 3a accounts and a staggered withdrawal over several years, the capital-benefits tax can be reduced considerably. Here is how staggering works.
Sources: 2026 schedules and multipliers:FTA tax data.
Last updated: 13.07.2026 · 2026 tax-year data