Calculator Tools

Calculator Tools

8 free calculators — EMI, GST, SIP, BMI, percentage, discount and more. Instant results.

Home / Categories / Calculator Tools
EMI Calculator
GST Calculator
SIP Calculator
BMI Calculator
Percentage Calculator
Discount Calculator
Compound Interest
Age Calculator
8 Free Calculators Instant Results No Signup

CodBolt's free calculator tools give you instant, accurate answers for everyday finance and health calculations. Calculate your home loan EMI, check GST on any amount, plan your SIP investments, track your BMI, or quickly find discounts and percentages. All calculators use standard formulas — same as banks and government portals — with no ads, no signup, and no limits.

Frequently Asked Questions

Yes. CodBolt's EMI calculator uses the same standard formula used by banks — Principal × Monthly Rate × (1+Rate)^Months / ((1+Rate)^Months - 1). Results match SBI, HDFC, and other bank calculators exactly.
Enter the base amount and GST rate (5%, 12%, 18%, or 28%). The tool instantly calculates the GST amount and total price. You can also reverse-calculate to find the pre-GST price from an inclusive amount.
SIP (Systematic Investment Plan) calculator shows how much wealth you can build by investing a fixed amount monthly. It uses compound interest formula with monthly compounding to estimate future value.
Yes, all calculator tools on CodBolt are completely free — no account, no subscription, no ads. Just enter values and get instant results.