Free Financial Calculators

Accurate mortgage, loan, ROI, and investment calculators. No signup required. 100% free.

Try Free Calculator →
8
Calculators
12
Languages
100%
Free Forever
0
No Signup

Mortgage Calculator 2026 • Monthly Payment, PITI & Amortization

Calculate your monthly mortgage payment, taxes, insurance, and amortization

Loan Payment Calculator 2026 • Monthly Payment, APR & Amortization

Estimate monthly payment, total interest, and payoff schedule

ROI Calculator 2026 • Return on Investment, Profit % & Annualized ROI

Calculate profitability of investments and campaigns

Bitcoin & Crypto Profit Calculator 2026 • Fees, ROI & Break-Even

Calculate crypto profit, loss, fees, ROI, and break-even price

Solar Savings Calculator 2026 • ROI, Payback & Bill Savings

Estimate energy savings and payback for your home solar system

Wedding Budget Calculator 2026 • Cost Per Guest & Breakdown

Manage your wedding budget effortlessly

Flooring Cost Calculator 2026 • Square Footage, Boxes & Installation

Estimate material and labor costs for new floors

Roof Replacement Cost Calculator 2026 • Estimate, Shingles & Square Footage

Estimate roof replacement cost, shingle bundles, and roof square footage

Fresh updates

CalcKit News

Open news

Why Trust CalcKit?

📊

Accurate Formulas

Industry-standard calculations used by financial professionals worldwide.

🔒

Privacy First

Minimal data collection, no signup required. Your calculations stay on your device.

🌍

Global Support

Available in 12 languages with localized data for 50+ countries.

Data Sources: Federal Reserve (FRED), Bureau of Labor Statistics, Zillow Research, CoinGecko API. Updated daily.

Need this calculator on your website?

Contact us for custom calculator integrations and white-label solutions.

Contact Us → Try a Calculator
✓ Free Forever
✓ No Signup
✓ Instant Results