Articles
Search-style problems. Each one points to a calculator on this site.
8 Jun 2026
Summer bill around 400 units in Rajasthan
Two ACs and a fridge can do 400 units. Rate still comes from your last JVVNL style bill, not from me. Do not fake official DISCOM tariffs. User types their rate.
5 May 2026
Why tax calculator is 2,000 less than official
Other income, surcharge, or a slab you didnt type. Two thousand gaps are common. File from official. FY 2026-27 new regime is estimate only.
17 Mar 2026
Is 12 percent SIP return a safe assumption
Twelve percent is a planning habit, not a lock. I run 8, 10 and 12 so you see the spread.
22 Feb 2026
I put wrong mileage and trip cost went crazy
1.6 instead of 16 is a classic. The litre count explodes. Check the decimal.
13 Jan 2026
Electricity bill has a fixed charge, where to add it
Fixed charge is the extra box. Dont stuff it into the unit rate unless you want a messy rate.
20 Nov 2025
PF employee and employer both sides
Your 12 percent leaves the slip. Employer 12 percent is CTC, not this month cash.
28 Oct 2025
Weight 78 kg height 5.6, BMI
78 kg and 5 ft 6 in. BMI lands near 27.8 on the usual chart. Not a diagnosis.
16 Sept 2025
1,200 sq ft plot in square metres
1200 square feet is about 111.5 square metres. Carpet vs plot is a different argument.
2 Aug 2025
Dinner 2,860 split between 4 people
Equal split is 715. Tip and the one person who only had water are the fight.
9 Jul 2025
Should take-home include professional tax
If your state cuts PT, yes, drop it from in-hand. Some states take none.
24 Jun 2025
MRP 1,999 with 35 percent off, final price
1999 minus 35 percent is about 1299. Extra coupon usually sits on the sale price.
11 May 2025
240 km trip, how much petrol money
Distance over mileage times pump price. Wrong mileage is how this number goes crazy.
15 Apr 2025
GST 5, 12 or 18, which rate when
Look at the invoice line. Dont guess 18 on everything. Rates move and items sit in different slabs.
29 Mar 2025
100 watt bulb, monthly units
Watts times hours times days, divide by 1000. A 100 W bulb is small until you leave it on.
18 Feb 2025
1.5 ton AC for 8 hours, running cost
Summer question. Watts per ton is a guess. Star rating moves the rupee a lot.
7 Jan 2025
I dont know my unit rate, how to estimate the bill
Pull last bill. Divide energy charge by units. That rate is good enough for a next-month guess.
11 Dec 2024
Price went 1,200 to 1,500, what percent increase
300 on 1200 is 25 percent. People flip the base and get a different story.
8 Nov 2024
Why bank EMI and this calculator dont match
Broken period interest, insurance add-on, day count. Small gaps are normal. Big gaps mean a box is wrong.
30 Oct 2024
GST after discount on a shop invoice
Most shop bills cut discount first, then GST. I walk a 10,000 line with 10 percent off.
14 Sept 2024
Bill is 1,180, how much GST is inside
1180 inclusive at 18 percent. GST inside is 180 if the rate is really 18.
1 Aug 2024
How to pull original amount out of 18 percent GST
Inclusive price divided by 1.18. That is the whole trick, with a 1180 example.
13 Jul 2024
320 units electricity bill, rough amount
320 units times your rate, plus fixed charge. I dont pretend every DISCOM table.
22 Jun 2024
12 lakh salary, old vs new regime rough gap
Twelve lakh is where people argue old vs new. I keep it rough. No fake circular numbers.
6 May 2024
Income tax on 8 lakh in the new regime
Eight lakh under a new-regime estimate. Rebate talk makes this number jumpy. Official site still wins.
4 Apr 2024
Exact age from date of birth
Years, leftover months, leftover days. Forms that ask 18 completed need the years box.
18 Mar 2024
Simple interest and compound interest, real difference
Same 8 percent, two formulas. I put both on 1 lakh so the gap is visible.
27 Feb 2024
SIP of 3,000 for 10 years, rough corpus
Three thousand a month for ten years at a guessed return. Corpus is a range, not a promise.
9 Jan 2024
RD of 5,000 a month for 3 years
Thirty six deposits of 5,000. What maturity looks like if you dont skip a month.
19 Dec 2023
7 years job, rough gratuity
Last salary times 15/26 times 7. HR may still use a different month count.
28 Nov 2023
FD of 2 lakh for 5 years, what will I get
A 2 lakh FD for five years with quarterly compounding. Maturity is not the board rate times five.
16 Oct 2023
I already have an EMI, how much extra loan is safe
Existing EMI eats the FOIR pie. I show leftover EMI and why 50 percent feels tight.
3 Sept 2023
Salary is 40,000, how much loan can I get
Take-home 40k and a FOIR cap. Rough eligibility, not a sanction SMS.
7 Aug 2023
Basic 25,000, how much PF is cut
Twelve percent of 25,000 is 3,000 from your side. Employer side is another story.
19 Jul 2023
20 year loan vs 15 year loan, what actually changes
EMI falls when you stretch years. Total interest climbs. That trade is the whole post.
8 Jun 2023
If interest rate goes up 0.5 percent how much EMI jumps
Half a percent sounds small. On a long tenure it is not. I show the jump on the same principal.
12 May 2023
CTC 6 lakh, what is take-home
Six lakh CTC is not 50,000 in hand. PF and tax eat a slice. I show a rough month.
21 Apr 2023
Personal loan of 2 lakh for 3 years, what do I pay
Personal loan rates sit higher than home loans. Here is a 2 lakh, 36 month walk-through.
14 Mar 2023
How much EMI on a 5 lakh home loan
I ran 5 lakh at a few rates so you can see the monthly hit before the bank pdf arrives.
11 Feb 2023
I opened the EMI schedule and still dont get total interest
Early EMIs are mostly interest. Total interest is EMI times months minus principal.
24 Jan 2023
First time using an EMI calculator, which box first
Principal first. Then yearly rate. Tenure in months, not years. That order saves the usual mess.