Calcufast

Financial calculators

Calculate take-home pay, taxes, benefits, loans and savings. Choose your country’s rules or a personal finance tool.

By country

By topic

Calculators by country

Pick your country to quickly find salary, tax, benefits, credit, travel, and utility calculators.

United States

Finance

SECA self-employment tax: $50,000 net → $7,064.78

2026 SECA tax: $50,000 net → $7,064.78 (SS $5,725.70 + Medicare $1,339.08). 15.3% on 92.35% of net earnings.

Finance

SIMPLE 401(k) limit 2026: $17,000 ($21,000 at 50+)

IRS 2026 SIMPLE elective deferral $17,000. Catch-up age 50+ is $4,000. Not the regular $24,500 401(k) cap.

Finance

Social Security FRA: born 1960, $2,000 → $1,400 at 62

Full retirement age by birth year + early-at-62 cut (SSA 5/9% rule). Born 1960 with $2,000 gets $1,400 at 62.

Finance

2026 US standard deduction: single $16,100

2026 federal standard deduction (Rev. Proc. 2025-32 §2.14)

Finance

IRS mileage 2026: 100 business mi → $76.00 (76¢ from Jul 1)

IRS 2026 standard mileage deduction or reimbursement for one trip: business, medical, moving, or charitable. Mid-year rate change included.

Finance

§195 start-up expenses: $40,000 → $5,000 now

IRC §195 deducts up to $5,000 of start-up expenditures immediately, $1-for-$1 phase-out over $50,000, remainder amortized over 180 months. $40,000 → $5,000 now + $35,000/180 mo.

Finance

Federal tip credit: $2.13/hr + $100 tips in 40 hrs → $104.80 makeup to $7.25

U.S. federal tip credit for one workweek: cash wage + tips must reach $7.25/hour. If they do not, the employer makes up the difference (FLSA).

Finance

Traditional IRA deduction 2026 (United States)

Figures how much of your 2026 traditional IRA contribution is deductible from your MAGI and workplace plan coverage (IRS Notice 2025-67, section 219(g)).

Finance

W-4 Step 4: $52,000 biweekly → $195.85 ($5,092/yr)

W-4 Step 4 (Pub 15-T 2026): default single $52,000 biweekly → $195.85 per period ($5,092/yr). Model 4(a) other income, 4(b) itemized net of standard deduction, and 4(c) extra per paycheck.